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authorMike Pagano <mpagano@gentoo.org>2018-11-13 16:18:42 -0500
committerMike Pagano <mpagano@gentoo.org>2018-11-14 09:00:41 -0500
commit88a451bddccb5814e6fcb6c6edb71df3abf215fa (patch)
treeb9467db9822dcfce5667602e8405bc644288d114
parentnet: sched: Remove TCA_OPTIONS from policy (diff)
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proj/linux-patches: Linux patch 4.14.81
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
Diffstat
-rw-r--r--0000_README4
-rw-r--r--1080_linux-4.14.81.patch6990
2 files changed, 6994 insertions, 0 deletions
diff --git a/0000_README b/0000_README
index 28ef8f28..fd76211f 100644
--- a/0000_README
+++ b/0000_README
@@ -363,6 +363,10 @@ Patch: 1079_linux-4.14.80.patch
From: http://www.kernel.org
Desc: Linux 4.14.80
+Patch: 1080-4.14.81.patch
+From: http://www.kernel.org
+Desc: Linux 4.14.81
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1080_linux-4.14.81.patch b/1080_linux-4.14.81.patch
new file mode 100644
index 00000000..ad133e45
--- /dev/null
+++ b/1080_linux-4.14.81.patch
@@ -0,0 +1,6990 @@
+diff --git a/Documentation/media/uapi/v4l/biblio.rst b/Documentation/media/uapi/v4l/biblio.rst
+index 1cedcfc04327..386d6cf83e9c 100644
+--- a/Documentation/media/uapi/v4l/biblio.rst
++++ b/Documentation/media/uapi/v4l/biblio.rst
+@@ -226,16 +226,6 @@ xvYCC
+
+ :author: International Electrotechnical Commission (http://www.iec.ch)
+
+-.. _adobergb:
+-
+-AdobeRGB
+-========
+-
+-
+-:title: Adobe© RGB (1998) Color Image Encoding Version 2005-05
+-
+-:author: Adobe Systems Incorporated (http://www.adobe.com)
+-
+ .. _oprgb:
+
+ opRGB
+diff --git a/Documentation/media/uapi/v4l/colorspaces-defs.rst b/Documentation/media/uapi/v4l/colorspaces-defs.rst
+index 410907fe9415..f24615544792 100644
+--- a/Documentation/media/uapi/v4l/colorspaces-defs.rst
++++ b/Documentation/media/uapi/v4l/colorspaces-defs.rst
+@@ -51,8 +51,8 @@ whole range, 0-255, dividing the angular value by 1.41. The enum
+ - See :ref:`col-rec709`.
+ * - ``V4L2_COLORSPACE_SRGB``
+ - See :ref:`col-srgb`.
+- * - ``V4L2_COLORSPACE_ADOBERGB``
+- - See :ref:`col-adobergb`.
++ * - ``V4L2_COLORSPACE_OPRGB``
++ - See :ref:`col-oprgb`.
+ * - ``V4L2_COLORSPACE_BT2020``
+ - See :ref:`col-bt2020`.
+ * - ``V4L2_COLORSPACE_DCI_P3``
+@@ -90,8 +90,8 @@ whole range, 0-255, dividing the angular value by 1.41. The enum
+ - Use the Rec. 709 transfer function.
+ * - ``V4L2_XFER_FUNC_SRGB``
+ - Use the sRGB transfer function.
+- * - ``V4L2_XFER_FUNC_ADOBERGB``
+- - Use the AdobeRGB transfer function.
++ * - ``V4L2_XFER_FUNC_OPRGB``
++ - Use the opRGB transfer function.
+ * - ``V4L2_XFER_FUNC_SMPTE240M``
+ - Use the SMPTE 240M transfer function.
+ * - ``V4L2_XFER_FUNC_NONE``
+diff --git a/Documentation/media/uapi/v4l/colorspaces-details.rst b/Documentation/media/uapi/v4l/colorspaces-details.rst
+index b5d551b9cc8f..09fabf4cd412 100644
+--- a/Documentation/media/uapi/v4l/colorspaces-details.rst
++++ b/Documentation/media/uapi/v4l/colorspaces-details.rst
+@@ -290,15 +290,14 @@ Y' is clamped to the range [0…1] and Cb and Cr are clamped to the range
+ 170M/BT.601. The Y'CbCr quantization is limited range.
+
+
+-.. _col-adobergb:
++.. _col-oprgb:
+
+-Colorspace Adobe RGB (V4L2_COLORSPACE_ADOBERGB)
++Colorspace opRGB (V4L2_COLORSPACE_OPRGB)
+ ===============================================
+
+-The :ref:`adobergb` standard defines the colorspace used by computer
+-graphics that use the AdobeRGB colorspace. This is also known as the
+-:ref:`oprgb` standard. The default transfer function is
+-``V4L2_XFER_FUNC_ADOBERGB``. The default Y'CbCr encoding is
++The :ref:`oprgb` standard defines the colorspace used by computer
++graphics that use the opRGB colorspace. The default transfer function is
++``V4L2_XFER_FUNC_OPRGB``. The default Y'CbCr encoding is
+ ``V4L2_YCBCR_ENC_601``. The default Y'CbCr quantization is limited
+ range.
+
+@@ -312,7 +311,7 @@ The chromaticities of the primary colors and the white reference are:
+
+ .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
+
+-.. flat-table:: Adobe RGB Chromaticities
++.. flat-table:: opRGB Chromaticities
+ :header-rows: 1
+ :stub-columns: 0
+ :widths: 1 1 2
+diff --git a/Makefile b/Makefile
+index f4cad5e03561..2fe1424d61d2 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 80
++SUBLEVEL = 81
+ EXTRAVERSION =
+ NAME = Petit Gorille
+
+diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
+index a5bd8f0205e8..0bf354024ef5 100644
+--- a/arch/arm/boot/dts/dra7.dtsi
++++ b/arch/arm/boot/dts/dra7.dtsi
+@@ -333,7 +333,7 @@
+ ti,hwmods = "pcie1";
+ phys = <&pcie1_phy>;
+ phy-names = "pcie-phy0";
+- ti,syscon-unaligned-access = <&scm_conf1 0x14 2>;
++ ti,syscon-unaligned-access = <&scm_conf1 0x14 1>;
+ status = "disabled";
+ };
+ };
+diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
+index 590ee442d0ae..3ed3d1a0fd40 100644
+--- a/arch/arm/boot/dts/exynos3250.dtsi
++++ b/arch/arm/boot/dts/exynos3250.dtsi
+@@ -82,6 +82,22 @@
+ compatible = "arm,cortex-a7";
+ reg = <1>;
+ clock-frequency = <1000000000>;
++ clocks = <&cmu CLK_ARM_CLK>;
++ clock-names = "cpu";
++ #cooling-cells = <2>;
++
++ operating-points = <
++ 1000000 1150000
++ 900000 1112500
++ 800000 1075000
++ 700000 1037500
++ 600000 1000000
++ 500000 962500
++ 400000 925000
++ 300000 887500
++ 200000 850000
++ 100000 850000
++ >;
+ };
+ };
+
+diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts
+index 084fcc5574ef..e4876186d5cd 100644
+--- a/arch/arm/boot/dts/exynos4210-origen.dts
++++ b/arch/arm/boot/dts/exynos4210-origen.dts
+@@ -152,6 +152,8 @@
+ reg = <0x66>;
+ interrupt-parent = <&gpx0>;
+ interrupts = <4 IRQ_TYPE_NONE>, <3 IRQ_TYPE_NONE>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&max8997_irq>;
+
+ max8997,pmic-buck1-dvs-voltage = <1350000>;
+ max8997,pmic-buck2-dvs-voltage = <1100000>;
+@@ -289,6 +291,13 @@
+ };
+ };
+
++&pinctrl_1 {
++ max8997_irq: max8997-irq {
++ samsung,pins = "gpx0-3", "gpx0-4";
++ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
++ };
++};
++
+ &sdhci_0 {
+ bus-width = <4>;
+ pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
+diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
+index 768fb075b1fd..27e17471ab7a 100644
+--- a/arch/arm/boot/dts/exynos4210.dtsi
++++ b/arch/arm/boot/dts/exynos4210.dtsi
+@@ -52,8 +52,6 @@
+ 400000 975000
+ 200000 950000
+ >;
+- cooling-min-level = <4>;
+- cooling-max-level = <2>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -61,6 +59,19 @@
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ reg = <0x901>;
++ clocks = <&clock CLK_ARM_CLK>;
++ clock-names = "cpu";
++ clock-latency = <160000>;
++
++ operating-points = <
++ 1200000 1250000
++ 1000000 1150000
++ 800000 1075000
++ 500000 975000
++ 400000 975000
++ 200000 950000
++ >;
++ #cooling-cells = <2>; /* min followed by max */
+ };
+ };
+
+diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
+index 7ff03a7e8fb9..1a35e6336e53 100644
+--- a/arch/arm/boot/dts/exynos4412.dtsi
++++ b/arch/arm/boot/dts/exynos4412.dtsi
+@@ -45,8 +45,6 @@
+ clocks = <&clock CLK_ARM_CLK>;
+ clock-names = "cpu";
+ operating-points-v2 = <&cpu0_opp_table>;
+- cooling-min-level = <13>;
+- cooling-max-level = <7>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
+index 35b1949a3e3c..9f73a8bf6e1c 100644
+--- a/arch/arm/boot/dts/exynos5250.dtsi
++++ b/arch/arm/boot/dts/exynos5250.dtsi
+@@ -57,38 +57,106 @@
+ device_type = "cpu";
+ compatible = "arm,cortex-a15";
+ reg = <0>;
+- clock-frequency = <1700000000>;
+ clocks = <&clock CLK_ARM_CLK>;
+ clock-names = "cpu";
+- clock-latency = <140000>;
+-
+- operating-points = <
+- 1700000 1300000
+- 1600000 1250000
+- 1500000 1225000
+- 1400000 1200000
+- 1300000 1150000
+- 1200000 1125000
+- 1100000 1100000
+- 1000000 1075000
+- 900000 1050000
+- 800000 1025000
+- 700000 1012500
+- 600000 1000000
+- 500000 975000
+- 400000 950000
+- 300000 937500
+- 200000 925000
+- >;
+- cooling-min-level = <15>;
+- cooling-max-level = <9>;
++ operating-points-v2 = <&cpu0_opp_table>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a15";
+ reg = <1>;
+- clock-frequency = <1700000000>;
++ clocks = <&clock CLK_ARM_CLK>;
++ clock-names = "cpu";
++ operating-points-v2 = <&cpu0_opp_table>;
++ #cooling-cells = <2>; /* min followed by max */
++ };
++ };
++
++ cpu0_opp_table: opp_table0 {
++ compatible = "operating-points-v2";
++ opp-shared;
++
++ opp-200000000 {
++ opp-hz = /bits/ 64 <200000000>;
++ opp-microvolt = <925000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-300000000 {
++ opp-hz = /bits/ 64 <300000000>;
++ opp-microvolt = <937500>;
++ clock-latency-ns = <140000>;
++ };
++ opp-400000000 {
++ opp-hz = /bits/ 64 <400000000>;
++ opp-microvolt = <950000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-500000000 {
++ opp-hz = /bits/ 64 <500000000>;
++ opp-microvolt = <975000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-600000000 {
++ opp-hz = /bits/ 64 <600000000>;
++ opp-microvolt = <1000000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-700000000 {
++ opp-hz = /bits/ 64 <700000000>;
++ opp-microvolt = <1012500>;
++ clock-latency-ns = <140000>;
++ };
++ opp-800000000 {
++ opp-hz = /bits/ 64 <800000000>;
++ opp-microvolt = <1025000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-900000000 {
++ opp-hz = /bits/ 64 <900000000>;
++ opp-microvolt = <1050000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-1000000000 {
++ opp-hz = /bits/ 64 <1000000000>;
++ opp-microvolt = <1075000>;
++ clock-latency-ns = <140000>;
++ opp-suspend;
++ };
++ opp-1100000000 {
++ opp-hz = /bits/ 64 <1100000000>;
++ opp-microvolt = <1100000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-1200000000 {
++ opp-hz = /bits/ 64 <1200000000>;
++ opp-microvolt = <1125000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-1300000000 {
++ opp-hz = /bits/ 64 <1300000000>;
++ opp-microvolt = <1150000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-1400000000 {
++ opp-hz = /bits/ 64 <1400000000>;
++ opp-microvolt = <1200000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-1500000000 {
++ opp-hz = /bits/ 64 <1500000000>;
++ opp-microvolt = <1225000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-1600000000 {
++ opp-hz = /bits/ 64 <1600000000>;
++ opp-microvolt = <1250000>;
++ clock-latency-ns = <140000>;
++ };
++ opp-1700000000 {
++ opp-hz = /bits/ 64 <1700000000>;
++ opp-microvolt = <1300000>;
++ clock-latency-ns = <140000>;
+ };
+ };
+
+diff --git a/arch/arm/boot/dts/exynos5420-cpus.dtsi b/arch/arm/boot/dts/exynos5420-cpus.dtsi
+index 5c052d7ff554..7e6b55561b1d 100644
+--- a/arch/arm/boot/dts/exynos5420-cpus.dtsi
++++ b/arch/arm/boot/dts/exynos5420-cpus.dtsi
+@@ -33,8 +33,6 @@
+ clock-frequency = <1800000000>;
+ cci-control-port = <&cci_control1>;
+ operating-points-v2 = <&cluster_a15_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <11>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -45,8 +43,6 @@
+ clock-frequency = <1800000000>;
+ cci-control-port = <&cci_control1>;
+ operating-points-v2 = <&cluster_a15_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <11>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -57,8 +53,6 @@
+ clock-frequency = <1800000000>;
+ cci-control-port = <&cci_control1>;
+ operating-points-v2 = <&cluster_a15_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <11>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -69,8 +63,6 @@
+ clock-frequency = <1800000000>;
+ cci-control-port = <&cci_control1>;
+ operating-points-v2 = <&cluster_a15_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <11>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -82,8 +74,6 @@
+ clock-frequency = <1000000000>;
+ cci-control-port = <&cci_control0>;
+ operating-points-v2 = <&cluster_a7_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <7>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -94,8 +84,6 @@
+ clock-frequency = <1000000000>;
+ cci-control-port = <&cci_control0>;
+ operating-points-v2 = <&cluster_a7_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <7>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -106,8 +94,6 @@
+ clock-frequency = <1000000000>;
+ cci-control-port = <&cci_control0>;
+ operating-points-v2 = <&cluster_a7_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <7>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -118,8 +104,6 @@
+ clock-frequency = <1000000000>;
+ cci-control-port = <&cci_control0>;
+ operating-points-v2 = <&cluster_a7_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <7>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+ };
+diff --git a/arch/arm/boot/dts/exynos5422-cpus.dtsi b/arch/arm/boot/dts/exynos5422-cpus.dtsi
+index bf3c6f1ec4ee..c8afdf821a77 100644
+--- a/arch/arm/boot/dts/exynos5422-cpus.dtsi
++++ b/arch/arm/boot/dts/exynos5422-cpus.dtsi
+@@ -32,8 +32,6 @@
+ clock-frequency = <1000000000>;
+ cci-control-port = <&cci_control0>;
+ operating-points-v2 = <&cluster_a7_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <11>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -44,8 +42,6 @@
+ clock-frequency = <1000000000>;
+ cci-control-port = <&cci_control0>;
+ operating-points-v2 = <&cluster_a7_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <11>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -56,8 +52,6 @@
+ clock-frequency = <1000000000>;
+ cci-control-port = <&cci_control0>;
+ operating-points-v2 = <&cluster_a7_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <11>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -68,8 +62,6 @@
+ clock-frequency = <1000000000>;
+ cci-control-port = <&cci_control0>;
+ operating-points-v2 = <&cluster_a7_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <11>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -81,8 +73,6 @@
+ clock-frequency = <1800000000>;
+ cci-control-port = <&cci_control1>;
+ operating-points-v2 = <&cluster_a15_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <15>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -93,8 +83,6 @@
+ clock-frequency = <1800000000>;
+ cci-control-port = <&cci_control1>;
+ operating-points-v2 = <&cluster_a15_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <15>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -105,8 +93,6 @@
+ clock-frequency = <1800000000>;
+ cci-control-port = <&cci_control1>;
+ operating-points-v2 = <&cluster_a15_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <15>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+
+@@ -117,8 +103,6 @@
+ clock-frequency = <1800000000>;
+ cci-control-port = <&cci_control1>;
+ operating-points-v2 = <&cluster_a15_opp_table>;
+- cooling-min-level = <0>;
+- cooling-max-level = <15>;
+ #cooling-cells = <2>; /* min followed by max */
+ };
+ };
+diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi
+index 791ca15c799e..bd1985694bca 100644
+--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
++++ b/arch/arm/boot/dts/socfpga_arria10.dtsi
+@@ -601,7 +601,7 @@
+ status = "disabled";
+ };
+
+- sdr: sdr@ffc25000 {
++ sdr: sdr@ffcfb100 {
+ compatible = "altr,sdr-ctl", "syscon";
+ reg = <0xffcfb100 0x80>;
+ };
+diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+index c2b9bcb0ef61..e79f3defe002 100644
+--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
++++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+@@ -249,7 +249,7 @@
+
+ sysmgr: sysmgr@ffd12000 {
+ compatible = "altr,sys-mgr", "syscon";
+- reg = <0xffd12000 0x1000>;
++ reg = <0xffd12000 0x228>;
+ };
+
+ /* Local timer */
+diff --git a/arch/arm64/lib/Makefile b/arch/arm64/lib/Makefile
+index 9a8cb96555d6..9a947afaf74c 100644
+--- a/arch/arm64/lib/Makefile
++++ b/arch/arm64/lib/Makefile
+@@ -12,7 +12,7 @@ lib-y := bitops.o clear_user.o delay.o copy_from_user.o \
+ # when supported by the CPU. Result and argument registers are handled
+ # correctly, based on the function prototype.
+ lib-$(CONFIG_ARM64_LSE_ATOMICS) += atomic_ll_sc.o
+-CFLAGS_atomic_ll_sc.o := -fcall-used-x0 -ffixed-x1 -ffixed-x2 \
++CFLAGS_atomic_ll_sc.o := -ffixed-x1 -ffixed-x2 \
+ -ffixed-x3 -ffixed-x4 -ffixed-x5 -ffixed-x6 \
+ -ffixed-x7 -fcall-saved-x8 -fcall-saved-x9 \
+ -fcall-saved-x10 -fcall-saved-x11 -fcall-saved-x12 \
+diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c
+index f24be0b5db50..c683c369bca5 100644
+--- a/arch/mips/cavium-octeon/executive/cvmx-helper.c
++++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c
+@@ -67,7 +67,7 @@ void (*cvmx_override_pko_queue_priority) (int pko_port,
+ void (*cvmx_override_ipd_port_setup) (int ipd_port);
+
+ /* Port count per interface */
+-static int interface_port_count[5];
++static int interface_port_count[9];
+
+ /**
+ * Return the number of interfaces the chip has. Each interface
+diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
+index 1b4732e20137..843825a7e6e2 100644
+--- a/arch/parisc/kernel/entry.S
++++ b/arch/parisc/kernel/entry.S
+@@ -185,7 +185,7 @@
+ bv,n 0(%r3)
+ nop
+ .word 0 /* checksum (will be patched) */
+- .word PA(os_hpmc) /* address of handler */
++ .word 0 /* address of handler */
+ .word 0 /* length of handler */
+ .endm
+
+diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S
+index 781c3b9a3e46..fde654115564 100644
+--- a/arch/parisc/kernel/hpmc.S
++++ b/arch/parisc/kernel/hpmc.S
+@@ -85,7 +85,7 @@ END(hpmc_pim_data)
+
+ .import intr_save, code
+ .align 16
+-ENTRY_CFI(os_hpmc)
++ENTRY(os_hpmc)
+ .os_hpmc:
+
+ /*
+@@ -302,7 +302,6 @@ os_hpmc_6:
+ b .
+ nop
+ .align 16 /* make function length multiple of 16 bytes */
+-ENDPROC_CFI(os_hpmc)
+ .os_hpmc_end:
+
+
+diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
+index 8453724b8009..9a898d68f4a0 100644
+--- a/arch/parisc/kernel/traps.c
++++ b/arch/parisc/kernel/traps.c
+@@ -836,7 +836,8 @@ void __init initialize_ivt(const void *iva)
+ if (pdc_instr(&instr) == PDC_OK)
+ ivap[0] = instr;
+
+- /* Compute Checksum for HPMC handler */
++ /* Setup IVA and compute checksum for HPMC handler */
++ ivap[6] = (u32)__pa(os_hpmc);
+ length = os_hpmc_size;
+ ivap[7] = length;
+
+diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
+index 13f7854e0d49..cc700f7dda54 100644
+--- a/arch/parisc/mm/init.c
++++ b/arch/parisc/mm/init.c
+@@ -495,12 +495,8 @@ static void __init map_pages(unsigned long start_vaddr,
+ pte = pte_mkhuge(pte);
+ }
+
+- if (address >= end_paddr) {
+- if (force)
+- break;
+- else
+- pte_val(pte) = 0;
+- }
++ if (address >= end_paddr)
++ break;
+
+ set_pte(pg_table, pte);
+
+diff --git a/arch/powerpc/include/asm/mpic.h b/arch/powerpc/include/asm/mpic.h
+index fad8ddd697ac..0abf2e7fd222 100644
+--- a/arch/powerpc/include/asm/mpic.h
++++ b/arch/powerpc/include/asm/mpic.h
+@@ -393,7 +393,14 @@ extern struct bus_type mpic_subsys;
+ #define MPIC_REGSET_TSI108 MPIC_REGSET(1) /* Tsi108/109 PIC */
+
+ /* Get the version of primary MPIC */
++#ifdef CONFIG_MPIC
+ extern u32 fsl_mpic_primary_get_version(void);
++#else
++static inline u32 fsl_mpic_primary_get_version(void)
++{
++ return 0;
++}
++#endif
+
+ /* Allocate the controller structure and setup the linux irq descs
+ * for the range if interrupts passed in. No HW initialization is
+diff --git a/arch/s390/kvm/sthyi.c b/arch/s390/kvm/sthyi.c
+index 395926b8c1ed..ffba4617d108 100644
+--- a/arch/s390/kvm/sthyi.c
++++ b/arch/s390/kvm/sthyi.c
+@@ -174,17 +174,19 @@ static void fill_hdr(struct sthyi_sctns *sctns)
+ static void fill_stsi_mac(struct sthyi_sctns *sctns,
+ struct sysinfo_1_1_1 *sysinfo)
+ {
++ sclp_ocf_cpc_name_copy(sctns->mac.infmname);
++ if (*(u64 *)sctns->mac.infmname != 0)
++ sctns->mac.infmval1 |= MAC_NAME_VLD;
++
+ if (stsi(sysinfo, 1, 1, 1))
+ return;
+
+- sclp_ocf_cpc_name_copy(sctns->mac.infmname);
+-
+ memcpy(sctns->mac.infmtype, sysinfo->type, sizeof(sctns->mac.infmtype));
+ memcpy(sctns->mac.infmmanu, sysinfo->manufacturer, sizeof(sctns->mac.infmmanu));
+ memcpy(sctns->mac.infmpman, sysinfo->plant, sizeof(sctns->mac.infmpman));
+ memcpy(sctns->mac.infmseq, sysinfo->sequence, sizeof(sctns->mac.infmseq));
+
+- sctns->mac.infmval1 |= MAC_ID_VLD | MAC_NAME_VLD;
++ sctns->mac.infmval1 |= MAC_ID_VLD;
+ }
+
+ static void fill_stsi_par(struct sthyi_sctns *sctns,
+diff --git a/arch/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h
+index 666d6b5c0440..9c3fc03abe9a 100644
+--- a/arch/sparc/include/asm/cpudata_64.h
++++ b/arch/sparc/include/asm/cpudata_64.h
+@@ -28,7 +28,7 @@ typedef struct {
+ unsigned short sock_id; /* physical package */
+ unsigned short core_id;
+ unsigned short max_cache_id; /* groupings of highest shared cache */
+- unsigned short proc_id; /* strand (aka HW thread) id */
++ signed short proc_id; /* strand (aka HW thread) id */
+ } cpuinfo_sparc;
+
+ DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
+diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
+index 5c1f54758312..eceb0215bdee 100644
+--- a/arch/sparc/kernel/perf_event.c
++++ b/arch/sparc/kernel/perf_event.c
+@@ -24,6 +24,7 @@
+ #include <asm/cpudata.h>
+ #include <linux/uaccess.h>
+ #include <linux/atomic.h>
++#include <linux/sched/clock.h>
+ #include <asm/nmi.h>
+ #include <asm/pcr.h>
+ #include <asm/cacheflush.h>
+@@ -927,6 +928,8 @@ static void read_in_all_counters(struct cpu_hw_events *cpuc)
+ sparc_perf_event_update(cp, &cp->hw,
+ cpuc->current_idx[i]);
+ cpuc->current_idx[i] = PIC_NO_INDEX;
++ if (cp->hw.state & PERF_HES_STOPPED)
++ cp->hw.state |= PERF_HES_ARCH;
+ }
+ }
+ }
+@@ -959,10 +962,12 @@ static void calculate_single_pcr(struct cpu_hw_events *cpuc)
+
+ enc = perf_event_get_enc(cpuc->events[i]);
+ cpuc->pcr[0] &= ~mask_for_index(idx);
+- if (hwc->state & PERF_HES_STOPPED)
++ if (hwc->state & PERF_HES_ARCH) {
+ cpuc->pcr[0] |= nop_for_index(idx);
+- else
++ } else {
+ cpuc->pcr[0] |= event_encoding(enc, idx);
++ hwc->state = 0;
++ }
+ }
+ out:
+ cpuc->pcr[0] |= cpuc->event[0]->hw.config_base;
+@@ -988,6 +993,9 @@ static void calculate_multiple_pcrs(struct cpu_hw_events *cpuc)
+
+ cpuc->current_idx[i] = idx;
+
++ if (cp->hw.state & PERF_HES_ARCH)
++ continue;
++
+ sparc_pmu_start(cp, PERF_EF_RELOAD);
+ }
+ out:
+@@ -1079,6 +1087,8 @@ static void sparc_pmu_start(struct perf_event *event, int flags)
+ event->hw.state = 0;
+
+ sparc_pmu_enable_event(cpuc, &event->hw, idx);
++
++ perf_event_update_userpage(event);
+ }
+
+ static void sparc_pmu_stop(struct perf_event *event, int flags)
+@@ -1371,9 +1381,9 @@ static int sparc_pmu_add(struct perf_event *event, int ef_flags)
+ cpuc->events[n0] = event->hw.event_base;
+ cpuc->current_idx[n0] = PIC_NO_INDEX;
+
+- event->hw.state = PERF_HES_UPTODATE;
++ event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED;
+ if (!(ef_flags & PERF_EF_START))
+- event->hw.state |= PERF_HES_STOPPED;
++ event->hw.state |= PERF_HES_ARCH;
+
+ /*
+ * If group events scheduling transaction was started,
+@@ -1603,6 +1613,8 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
+ struct perf_sample_data data;
+ struct cpu_hw_events *cpuc;
+ struct pt_regs *regs;
++ u64 finish_clock;
++ u64 start_clock;
+ int i;
+
+ if (!atomic_read(&active_events))
+@@ -1616,6 +1628,8 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
+ return NOTIFY_DONE;
+ }
+
++ start_clock = sched_clock();
++
+ regs = args->regs;
+
+ cpuc = this_cpu_ptr(&cpu_hw_events);
+@@ -1654,6 +1668,10 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
+ sparc_pmu_stop(event, 0);
+ }
+
++ finish_clock = sched_clock();
++
++ perf_sample_event_took(finish_clock - start_clock);
++
+ return NOTIFY_STOP;
+ }
+
+diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c
+index d4e6cd4577e5..bf0e82400358 100644
+--- a/arch/x86/boot/tools/build.c
++++ b/arch/x86/boot/tools/build.c
+@@ -391,6 +391,13 @@ int main(int argc, char ** argv)
+ die("Unable to mmap '%s': %m", argv[2]);
+ /* Number of 16-byte paragraphs, including space for a 4-byte CRC */
+ sys_size = (sz + 15 + 4) / 16;
++#ifdef CONFIG_EFI_STUB
++ /*
++ * COFF requires minimum 32-byte alignment of sections, and
++ * adding a signature is problematic without that alignment.
++ */
++ sys_size = (sys_size + 1) & ~1;
++#endif
+
+ /* Patch the setup code with the appropriate size parameters */
+ buf[0x1f1] = setup_sectors-1;
+diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
+index 8418462298e7..673d6e988196 100644
+--- a/arch/x86/include/asm/cpufeatures.h
++++ b/arch/x86/include/asm/cpufeatures.h
+@@ -220,6 +220,7 @@
+ #define X86_FEATURE_STIBP ( 7*32+27) /* Single Thread Indirect Branch Predictors */
+ #define X86_FEATURE_ZEN ( 7*32+28) /* "" CPU is AMD family 0x17 (Zen) */
+ #define X86_FEATURE_L1TF_PTEINV ( 7*32+29) /* "" L1TF workaround PTE inversion */
++#define X86_FEATURE_IBRS_ENHANCED ( 7*32+30) /* Enhanced IBRS */
+
+ /* Virtualization flags: Linux defined, word 8 */
+ #define X86_FEATURE_TPR_SHADOW ( 8*32+ 0) /* Intel TPR Shadow */
+diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
+index 4015b88383ce..367cdd263a5c 100644
+--- a/arch/x86/include/asm/kvm_host.h
++++ b/arch/x86/include/asm/kvm_host.h
+@@ -174,6 +174,7 @@ enum {
+
+ #define DR6_BD (1 << 13)
+ #define DR6_BS (1 << 14)
++#define DR6_BT (1 << 15)
+ #define DR6_RTM (1 << 16)
+ #define DR6_FIXED_1 0xfffe0ff0
+ #define DR6_INIT 0xffff0ff0
+diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
+index 8b38df98548e..1b4132161c1f 100644
+--- a/arch/x86/include/asm/nospec-branch.h
++++ b/arch/x86/include/asm/nospec-branch.h
+@@ -215,6 +215,7 @@ enum spectre_v2_mitigation {
+ SPECTRE_V2_RETPOLINE_GENERIC,
+ SPECTRE_V2_RETPOLINE_AMD,
+ SPECTRE_V2_IBRS,
++ SPECTRE_V2_IBRS_ENHANCED,
+ };
+
+ /* The Speculative Store Bypass disable variants */
+diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
+index 5f00ecb9d251..2501be609b82 100644
+--- a/arch/x86/include/asm/tlbflush.h
++++ b/arch/x86/include/asm/tlbflush.h
+@@ -466,6 +466,12 @@ static inline void __native_flush_tlb_one_user(unsigned long addr)
+ */
+ static inline void __flush_tlb_all(void)
+ {
++ /*
++ * This is to catch users with enabled preemption and the PGE feature
++ * and don't trigger the warning in __native_flush_tlb().
++ */
++ VM_WARN_ON_ONCE(preemptible());
++
+ if (boot_cpu_has(X86_FEATURE_PGE)) {
+ __flush_tlb_global();
+ } else {
+diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c
+index 33399426793e..cc8258a5378b 100644
+--- a/arch/x86/kernel/check.c
++++ b/arch/x86/kernel/check.c
+@@ -31,6 +31,11 @@ static __init int set_corruption_check(char *arg)
+ ssize_t ret;
+ unsigned long val;
+
++ if (!arg) {
++ pr_err("memory_corruption_check config string not provided\n");
++ return -EINVAL;
++ }
++
+ ret = kstrtoul(arg, 10, &val);
+ if (ret)
+ return ret;
+@@ -45,6 +50,11 @@ static __init int set_corruption_check_period(char *arg)
+ ssize_t ret;
+ unsigned long val;
+
++ if (!arg) {
++ pr_err("memory_corruption_check_period config string not provided\n");
++ return -EINVAL;
++ }
++
+ ret = kstrtoul(arg, 10, &val);
+ if (ret)
+ return ret;
+@@ -59,6 +69,11 @@ static __init int set_corruption_check_size(char *arg)
+ char *end;
+ unsigned size;
+
++ if (!arg) {
++ pr_err("memory_corruption_check_size config string not provided\n");
++ return -EINVAL;
++ }
++
+ size = memparse(arg, &end);
+
+ if (*end == '\0')
+diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
+index 3e435f88621d..aa6e7f75bccc 100644
+--- a/arch/x86/kernel/cpu/bugs.c
++++ b/arch/x86/kernel/cpu/bugs.c
+@@ -34,12 +34,10 @@ static void __init spectre_v2_select_mitigation(void);
+ static void __init ssb_select_mitigation(void);
+ static void __init l1tf_select_mitigation(void);
+
+-/*
+- * Our boot-time value of the SPEC_CTRL MSR. We read it once so that any
+- * writes to SPEC_CTRL contain whatever reserved bits have been set.
+- */
+-u64 __ro_after_init x86_spec_ctrl_base;
++/* The base value of the SPEC_CTRL MSR that always has to be preserved. */
++u64 x86_spec_ctrl_base;
+ EXPORT_SYMBOL_GPL(x86_spec_ctrl_base);
++static DEFINE_MUTEX(spec_ctrl_mutex);
+
+ /*
+ * The vendor and possibly platform specific bits which can be modified in
+@@ -140,6 +138,7 @@ static const char *spectre_v2_strings[] = {
+ [SPECTRE_V2_RETPOLINE_MINIMAL_AMD] = "Vulnerable: Minimal AMD ASM retpoline",
+ [SPECTRE_V2_RETPOLINE_GENERIC] = "Mitigation: Full generic retpoline",
+ [SPECTRE_V2_RETPOLINE_AMD] = "Mitigation: Full AMD retpoline",
++ [SPECTRE_V2_IBRS_ENHANCED] = "Mitigation: Enhanced IBRS",
+ };
+
+ #undef pr_fmt
+@@ -322,6 +321,46 @@ static enum spectre_v2_mitigation_cmd __init spectre_v2_parse_cmdline(void)
+ return cmd;
+ }
+
++static bool stibp_needed(void)
++{
++ if (spectre_v2_enabled == SPECTRE_V2_NONE)
++ return false;
++
++ if (!boot_cpu_has(X86_FEATURE_STIBP))
++ return false;
++
++ return true;
++}
++
++static void update_stibp_msr(void *info)
++{
++ wrmsrl(MSR_IA32_SPEC_CTRL, x86_spec_ctrl_base);
++}
++
++void arch_smt_update(void)
++{
++ u64 mask;
++
++ if (!stibp_needed())
++ return;
++
++ mutex_lock(&spec_ctrl_mutex);
++ mask = x86_spec_ctrl_base;
++ if (cpu_smt_control == CPU_SMT_ENABLED)
++ mask |= SPEC_CTRL_STIBP;
++ else
++ mask &= ~SPEC_CTRL_STIBP;
++
++ if (mask != x86_spec_ctrl_base) {
++ pr_info("Spectre v2 cross-process SMT mitigation: %s STIBP\n",
++ cpu_smt_control == CPU_SMT_ENABLED ?
++ "Enabling" : "Disabling");
++ x86_spec_ctrl_base = mask;
++ on_each_cpu(update_stibp_msr, NULL, 1);
++ }
++ mutex_unlock(&spec_ctrl_mutex);
++}
++
+ static void __init spectre_v2_select_mitigation(void)
+ {
+ enum spectre_v2_mitigation_cmd cmd = spectre_v2_parse_cmdline();
+@@ -341,6 +380,13 @@ static void __init spectre_v2_select_mitigation(void)
+
+ case SPECTRE_V2_CMD_FORCE:
+ case SPECTRE_V2_CMD_AUTO:
++ if (boot_cpu_has(X86_FEATURE_IBRS_ENHANCED)) {
++ mode = SPECTRE_V2_IBRS_ENHANCED;
++ /* Force it so VMEXIT will restore correctly */
++ x86_spec_ctrl_base |= SPEC_CTRL_IBRS;
++ wrmsrl(MSR_IA32_SPEC_CTRL, x86_spec_ctrl_base);
++ goto specv2_set_mode;
++ }
+ if (IS_ENABLED(CONFIG_RETPOLINE))
+ goto retpoline_auto;
+ break;
+@@ -378,6 +424,7 @@ retpoline_auto:
+ setup_force_cpu_cap(X86_FEATURE_RETPOLINE);
+ }
+
++specv2_set_mode:
+ spectre_v2_enabled = mode;
+ pr_info("%s\n", spectre_v2_strings[mode]);
+
+@@ -400,12 +447,22 @@ retpoline_auto:
+
+ /*
+ * Retpoline means the kernel is safe because it has no indirect
+- * branches. But firmware isn't, so use IBRS to protect that.
++ * branches. Enhanced IBRS protects firmware too, so, enable restricted
++ * speculation around firmware calls only when Enhanced IBRS isn't
++ * supported.
++ *
++ * Use "mode" to check Enhanced IBRS instead of boot_cpu_has(), because
++ * the user might select retpoline on the kernel command line and if
++ * the CPU supports Enhanced IBRS, kernel might un-intentionally not
++ * enable IBRS around firmware calls.
+ */
+- if (boot_cpu_has(X86_FEATURE_IBRS)) {
++ if (boot_cpu_has(X86_FEATURE_IBRS) && mode != SPECTRE_V2_IBRS_ENHANCED) {
+ setup_force_cpu_cap(X86_FEATURE_USE_IBRS_FW);
+ pr_info("Enabling Restricted Speculation for firmware calls\n");
+ }
++
++ /* Enable STIBP if appropriate */
++ arch_smt_update();
+ }
+
+ #undef pr_fmt
+@@ -798,6 +855,8 @@ static ssize_t l1tf_show_state(char *buf)
+ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr,
+ char *buf, unsigned int bug)
+ {
++ int ret;
++
+ if (!boot_cpu_has_bug(bug))
+ return sprintf(buf, "Not affected\n");
+
+@@ -812,10 +871,12 @@ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr
+ return sprintf(buf, "Mitigation: __user pointer sanitization\n");
+
+ case X86_BUG_SPECTRE_V2:
+- return sprintf(buf, "%s%s%s%s\n", spectre_v2_strings[spectre_v2_enabled],
++ ret = sprintf(buf, "%s%s%s%s%s\n", spectre_v2_strings[spectre_v2_enabled],
+ boot_cpu_has(X86_FEATURE_USE_IBPB) ? ", IBPB" : "",
+ boot_cpu_has(X86_FEATURE_USE_IBRS_FW) ? ", IBRS_FW" : "",
++ (x86_spec_ctrl_base & SPEC_CTRL_STIBP) ? ", STIBP" : "",
+ spectre_v2_module_string());
++ return ret;
+
+ case X86_BUG_SPEC_STORE_BYPASS:
+ return sprintf(buf, "%s\n", ssb_strings[ssb_mode]);
+diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
+index 7d2a7890a823..96643e2c75b8 100644
+--- a/arch/x86/kernel/cpu/common.c
++++ b/arch/x86/kernel/cpu/common.c
+@@ -967,6 +967,9 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
+ setup_force_cpu_bug(X86_BUG_SPECTRE_V1);
+ setup_force_cpu_bug(X86_BUG_SPECTRE_V2);
+
++ if (ia32_cap & ARCH_CAP_IBRS_ALL)
++ setup_force_cpu_cap(X86_FEATURE_IBRS_ENHANCED);
++
+ if (x86_match_cpu(cpu_no_meltdown))
+ return;
+
+diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c
+index 23f1691670b6..61a949d84dfa 100644
+--- a/arch/x86/kernel/fpu/signal.c
++++ b/arch/x86/kernel/fpu/signal.c
+@@ -314,7 +314,6 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
+ * thread's fpu state, reconstruct fxstate from the fsave
+ * header. Validate and sanitize the copied state.
+ */
+- struct fpu *fpu = &tsk->thread.fpu;
+ struct user_i387_ia32_struct env;
+ int err = 0;
+
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
+index fd46d890296c..ec588cf4fe95 100644
+--- a/arch/x86/kvm/vmx.c
++++ b/arch/x86/kvm/vmx.c
+@@ -2733,10 +2733,13 @@ static int nested_vmx_check_exception(struct kvm_vcpu *vcpu, unsigned long *exit
+ }
+ } else {
+ if (vmcs12->exception_bitmap & (1u << nr)) {
+- if (nr == DB_VECTOR)
++ if (nr == DB_VECTOR) {
+ *exit_qual = vcpu->arch.dr6;
+- else
++ *exit_qual &= ~(DR6_FIXED_1 | DR6_BT);
++ *exit_qual ^= DR6_RTM;
++ } else {
+ *exit_qual = 0;
++ }
+ return 1;
+ }
+ }
+diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
+index 464f53da3a6f..835620ab435f 100644
+--- a/arch/x86/mm/pageattr.c
++++ b/arch/x86/mm/pageattr.c
+@@ -2037,9 +2037,13 @@ void __kernel_map_pages(struct page *page, int numpages, int enable)
+
+ /*
+ * We should perform an IPI and flush all tlbs,
+- * but that can deadlock->flush only current cpu:
++ * but that can deadlock->flush only current cpu.
++ * Preemption needs to be disabled around __flush_tlb_all() due to
++ * CR3 reload in __native_flush_tlb().
+ */
++ preempt_disable();
+ __flush_tlb_all();
++ preempt_enable();
+
+ arch_flush_lazy_mmu_mode();
+ }
+diff --git a/arch/x86/platform/olpc/olpc-xo1-rtc.c b/arch/x86/platform/olpc/olpc-xo1-rtc.c
+index a2b4efddd61a..8e7ddd7e313a 100644
+--- a/arch/x86/platform/olpc/olpc-xo1-rtc.c
++++ b/arch/x86/platform/olpc/olpc-xo1-rtc.c
+@@ -16,6 +16,7 @@
+
+ #include <asm/msr.h>
+ #include <asm/olpc.h>
++#include <asm/x86_init.h>
+
+ static void rtc_wake_on(struct device *dev)
+ {
+@@ -75,6 +76,8 @@ static int __init xo1_rtc_init(void)
+ if (r)
+ return r;
+
++ x86_platform.legacy.rtc = 0;
++
+ device_init_wakeup(&xo1_rtc_device.dev, 1);
+ return 0;
+ }
+diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c
+index 7bd3ee08393e..d6d7b29b3be0 100644
+--- a/arch/x86/xen/enlighten_pvh.c
++++ b/arch/x86/xen/enlighten_pvh.c
+@@ -76,7 +76,7 @@ static void __init init_pvh_bootparams(void)
+ * Version 2.12 supports Xen entry point but we will use default x86/PC
+ * environment (i.e. hardware_subarch 0).
+ */
+- pvh_bootparams.hdr.version = 0x212;
++ pvh_bootparams.hdr.version = (2 << 8) | 12;
+ pvh_bootparams.hdr.type_of_loader = (9 << 4) | 0; /* Xen loader */
+ }
+
+diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c
+index 33a783c77d96..184b36922397 100644
+--- a/arch/x86/xen/platform-pci-unplug.c
++++ b/arch/x86/xen/platform-pci-unplug.c
+@@ -146,6 +146,10 @@ void xen_unplug_emulated_devices(void)
+ {
+ int r;
+
++ /* PVH guests don't have emulated devices. */
++ if (xen_pvh_domain())
++ return;
++
+ /* user explicitly requested no unplug */
+ if (xen_emul_unplug & XEN_UNPLUG_NEVER)
+ return;
+diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
+index 08324c64005d..2527540051ff 100644
+--- a/arch/x86/xen/spinlock.c
++++ b/arch/x86/xen/spinlock.c
+@@ -9,6 +9,7 @@
+ #include <linux/log2.h>
+ #include <linux/gfp.h>
+ #include <linux/slab.h>
++#include <linux/atomic.h>
+
+ #include <asm/paravirt.h>
+
+@@ -20,6 +21,7 @@
+
+ static DEFINE_PER_CPU(int, lock_kicker_irq) = -1;
+ static DEFINE_PER_CPU(char *, irq_name);
++static DEFINE_PER_CPU(atomic_t, xen_qlock_wait_nest);
+ static bool xen_pvspin = true;
+
+ #include <asm/qspinlock.h>
+@@ -41,33 +43,24 @@ static void xen_qlock_kick(int cpu)
+ static void xen_qlock_wait(u8 *byte, u8 val)
+ {
+ int irq = __this_cpu_read(lock_kicker_irq);
++ atomic_t *nest_cnt = this_cpu_ptr(&xen_qlock_wait_nest);
+
+ /* If kicker interrupts not initialized yet, just spin */
+- if (irq == -1)
++ if (irq == -1 || in_nmi())
+ return;
+
+- /* clear pending */
+- xen_clear_irq_pending(irq);
+- barrier();
+-
+- /*
+- * We check the byte value after clearing pending IRQ to make sure
+- * that we won't miss a wakeup event because of the clearing.
+- *
+- * The sync_clear_bit() call in xen_clear_irq_pending() is atomic.
+- * So it is effectively a memory barrier for x86.
+- */
+- if (READ_ONCE(*byte) != val)
+- return;
++ /* Detect reentry. */
++ atomic_inc(nest_cnt);
+
+- /*
+- * If an interrupt happens here, it will leave the wakeup irq
+- * pending, which will cause xen_poll_irq() to return
+- * immediately.
+- */
++ /* If irq pending already and no nested call clear it. */
++ if (atomic_read(nest_cnt) == 1 && xen_test_irq_pending(irq)) {
++ xen_clear_irq_pending(irq);
++ } else if (READ_ONCE(*byte) == val) {
++ /* Block until irq becomes pending (or a spurious wakeup) */
++ xen_poll_irq(irq);
++ }
+
+- /* Block until irq becomes pending (or perhaps a spurious wakeup) */
+- xen_poll_irq(irq);
++ atomic_dec(nest_cnt);
+ }
+
+ static irqreturn_t dummy_handler(int irq, void *dev_id)
+diff --git a/arch/x86/xen/xen-pvh.S b/arch/x86/xen/xen-pvh.S
+index 5d7554c025fd..7ecbd3dde2ea 100644
+--- a/arch/x86/xen/xen-pvh.S
++++ b/arch/x86/xen/xen-pvh.S
+@@ -178,7 +178,7 @@ canary:
+ .fill 48, 1, 0
+
+ early_stack:
+- .fill 256, 1, 0
++ .fill BOOT_STACK_SIZE, 1, 0
+ early_stack_end:
+
+ ELFNOTE(Xen, XEN_ELFNOTE_PHYS32_ENTRY,
+diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c
+index 414ba686a847..c1727604ad14 100644
+--- a/block/bfq-wf2q.c
++++ b/block/bfq-wf2q.c
+@@ -1172,10 +1172,17 @@ bool __bfq_deactivate_entity(struct bfq_entity *entity, bool ins_into_idle_tree)
+ st = bfq_entity_service_tree(entity);
+ is_in_service = entity == sd->in_service_entity;
+
+- if (is_in_service) {
+- bfq_calc_finish(entity, entity->service);
++ bfq_calc_finish(entity, entity->service);
++
++ if (is_in_service)
+ sd->in_service_entity = NULL;
+- }
++ else
++ /*
++ * Non in-service entity: nobody will take care of
++ * resetting its service counter on expiration. Do it
++ * now.
++ */
++ entity->service = 0;
+
+ if (entity->tree == &st->active)
+ bfq_active_extract(st, entity);
+diff --git a/crypto/lrw.c b/crypto/lrw.c
+index fdba6dd6db63..886f91f2426c 100644
+--- a/crypto/lrw.c
++++ b/crypto/lrw.c
+@@ -139,7 +139,12 @@ static inline int get_index128(be128 *block)
+ return x + ffz(val);
+ }
+
+- return x;
++ /*
++ * If we get here, then x == 128 and we are incrementing the counter
++ * from all ones to all zeros. This means we must return index 127, i.e.
++ * the one corresponding to key2*{ 1,...,1 }.
++ */
++ return 127;
+ }
+
+ static int post_crypt(struct skcipher_request *req)
+diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
+index e339960dcac7..f7affe7cf0b4 100644
+--- a/crypto/tcrypt.c
++++ b/crypto/tcrypt.c
+@@ -727,6 +727,9 @@ static void test_ahash_speed_common(const char *algo, unsigned int secs,
+ break;
+ }
+
++ if (speed[i].klen)
++ crypto_ahash_setkey(tfm, tvmem[0], speed[i].klen);
++
+ pr_info("test%3u "
+ "(%5u byte blocks,%5u bytes per update,%4u updates): ",
+ i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
+diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
+index 75c3cb377b98..a56d3f352765 100644
+--- a/drivers/acpi/acpi_lpss.c
++++ b/drivers/acpi/acpi_lpss.c
+@@ -326,9 +326,11 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = {
+ { "INT33FC", },
+
+ /* Braswell LPSS devices */
++ { "80862286", LPSS_ADDR(lpss_dma_desc) },
+ { "80862288", LPSS_ADDR(bsw_pwm_dev_desc) },
+ { "8086228A", LPSS_ADDR(bsw_uart_dev_desc) },
+ { "8086228E", LPSS_ADDR(bsw_spi_dev_desc) },
++ { "808622C0", LPSS_ADDR(lpss_dma_desc) },
+ { "808622C1", LPSS_ADDR(bsw_i2c_dev_desc) },
+
+ /* Broadwell LPSS devices */
+diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
+index 86c10599d9f8..ccf07674a2a0 100644
+--- a/drivers/acpi/acpi_processor.c
++++ b/drivers/acpi/acpi_processor.c
+@@ -642,7 +642,7 @@ static acpi_status __init acpi_processor_ids_walk(acpi_handle handle,
+
+ status = acpi_get_type(handle, &acpi_type);
+ if (ACPI_FAILURE(status))
+- return false;
++ return status;
+
+ switch (acpi_type) {
+ case ACPI_TYPE_PROCESSOR:
+@@ -662,11 +662,12 @@ static acpi_status __init acpi_processor_ids_walk(acpi_handle handle,
+ }
+
+ processor_validated_ids_update(uid);
+- return true;
++ return AE_OK;
+
+ err:
++ /* Exit on error, but don't abort the namespace walk */
+ acpi_handle_info(handle, "Invalid processor object\n");
+- return false;
++ return AE_OK;
+
+ }
+
+diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
+index 92da886180aa..1dacc42e2dcf 100644
+--- a/drivers/block/ataflop.c
++++ b/drivers/block/ataflop.c
+@@ -1935,6 +1935,11 @@ static int __init atari_floppy_init (void)
+ unit[i].disk = alloc_disk(1);
+ if (!unit[i].disk)
+ goto Enomem;
++
++ unit[i].disk->queue = blk_init_queue(do_fd_request,
++ &ataflop_lock);
++ if (!unit[i].disk->queue)
++ goto Enomem;
+ }
+
+ if (UseTrackbuffer < 0)
+@@ -1966,10 +1971,6 @@ static int __init atari_floppy_init (void)
+ sprintf(unit[i].disk->disk_name, "fd%d", i);
+ unit[i].disk->fops = &floppy_fops;
+ unit[i].disk->private_data = &unit[i];
+- unit[i].disk->queue = blk_init_queue(do_fd_request,
+- &ataflop_lock);
+- if (!unit[i].disk->queue)
+- goto Enomem;
+ set_capacity(unit[i].disk, MAX_DISK_SIZE * 2);
+ add_disk(unit[i].disk);
+ }
+@@ -1984,13 +1985,17 @@ static int __init atari_floppy_init (void)
+
+ return 0;
+ Enomem:
+- while (i--) {
+- struct request_queue *q = unit[i].disk->queue;
++ do {
++ struct gendisk *disk = unit[i].disk;
+
+- put_disk(unit[i].disk);
+- if (q)
+- blk_cleanup_queue(q);
+- }
++ if (disk) {
++ if (disk->queue) {
++ blk_cleanup_queue(disk->queue);
++ disk->queue = NULL;
++ }
++ put_disk(unit[i].disk);
++ }
++ } while (i--);
+
+ unregister_blkdev(FLOPPY_MAJOR, "fd");
+ return -ENOMEM;
+diff --git a/drivers/block/swim.c b/drivers/block/swim.c
+index e88d50f75a4a..58e308145e95 100644
+--- a/drivers/block/swim.c
++++ b/drivers/block/swim.c
+@@ -887,8 +887,17 @@ static int swim_floppy_init(struct swim_priv *swd)
+
+ exit_put_disks:
+ unregister_blkdev(FLOPPY_MAJOR, "fd");
+- while (drive--)
+- put_disk(swd->unit[drive].disk);
++ do {
++ struct gendisk *disk = swd->unit[drive].disk;
++
++ if (disk) {
++ if (disk->queue) {
++ blk_cleanup_queue(disk->queue);
++ disk->queue = NULL;
++ }
++ put_disk(disk);
++ }
++ } while (drive--);
+ return err;
+ }
+
+diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
+index 7d23225f79ed..32ac5f551e55 100644
+--- a/drivers/block/xen-blkfront.c
++++ b/drivers/block/xen-blkfront.c
+@@ -1910,6 +1910,7 @@ static int negotiate_mq(struct blkfront_info *info)
+ info->rinfo = kzalloc(sizeof(struct blkfront_ring_info) * info->nr_rings, GFP_KERNEL);
+ if (!info->rinfo) {
+ xenbus_dev_fatal(info->xbdev, -ENOMEM, "allocating ring_info structure");
++ info->nr_rings = 0;
+ return -ENOMEM;
+ }
+
+@@ -2471,6 +2472,9 @@ static int blkfront_remove(struct xenbus_device *xbdev)
+
+ dev_dbg(&xbdev->dev, "%s removed", xbdev->nodename);
+
++ if (!info)
++ return 0;
++
+ blkif_free(info, 0);
+
+ mutex_lock(&info->mutex);
+diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
+index cc4bdefa6648..67315cb28826 100644
+--- a/drivers/bluetooth/btbcm.c
++++ b/drivers/bluetooth/btbcm.c
+@@ -325,6 +325,7 @@ static const struct {
+ { 0x4103, "BCM4330B1" }, /* 002.001.003 */
+ { 0x410e, "BCM43341B0" }, /* 002.001.014 */
+ { 0x4406, "BCM4324B3" }, /* 002.004.006 */
++ { 0x6109, "BCM4335C0" }, /* 003.001.009 */
+ { 0x610c, "BCM4354" }, /* 003.001.012 */
+ { 0x2209, "BCM43430A1" }, /* 001.002.009 */
+ { }
+diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
+index 932678617dfa..0904ab442d31 100644
+--- a/drivers/char/ipmi/ipmi_ssif.c
++++ b/drivers/char/ipmi/ipmi_ssif.c
+@@ -621,8 +621,9 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,
+ flags = ipmi_ssif_lock_cond(ssif_info, &oflags);
+ ssif_info->waiting_alert = true;
+ ssif_info->rtc_us_timer = SSIF_MSG_USEC;
+- mod_timer(&ssif_info->retry_timer,
+- jiffies + SSIF_MSG_JIFFIES);
++ if (!ssif_info->stopping)
++ mod_timer(&ssif_info->retry_timer,
++ jiffies + SSIF_MSG_JIFFIES);
+ ipmi_ssif_unlock_cond(ssif_info, flags);
+ return;
+ }
+@@ -954,8 +955,9 @@ static void msg_written_handler(struct ssif_info *ssif_info, int result,
+ ssif_info->waiting_alert = true;
+ ssif_info->retries_left = SSIF_RECV_RETRIES;
+ ssif_info->rtc_us_timer = SSIF_MSG_PART_USEC;
+- mod_timer(&ssif_info->retry_timer,
+- jiffies + SSIF_MSG_PART_JIFFIES);
++ if (!ssif_info->stopping)
++ mod_timer(&ssif_info->retry_timer,
++ jiffies + SSIF_MSG_PART_JIFFIES);
+ ipmi_ssif_unlock_cond(ssif_info, flags);
+ }
+ }
+diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
+index 89d5915b1a3f..6e93df272c20 100644
+--- a/drivers/char/tpm/tpm-interface.c
++++ b/drivers/char/tpm/tpm-interface.c
+@@ -653,7 +653,8 @@ ssize_t tpm_transmit_cmd(struct tpm_chip *chip, struct tpm_space *space,
+ return len;
+
+ err = be32_to_cpu(header->return_code);
+- if (err != 0 && desc)
++ if (err != 0 && err != TPM_ERR_DISABLED && err != TPM_ERR_DEACTIVATED
++ && desc)
+ dev_err(&chip->dev, "A TPM error (%d) occurred %s\n", err,
+ desc);
+ if (err)
+diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
+index 656e8af95d52..2cffaf567d99 100644
+--- a/drivers/char/tpm/xen-tpmfront.c
++++ b/drivers/char/tpm/xen-tpmfront.c
+@@ -203,7 +203,7 @@ static int setup_ring(struct xenbus_device *dev, struct tpm_private *priv)
+ return -ENOMEM;
+ }
+
+- rv = xenbus_grant_ring(dev, &priv->shr, 1, &gref);
++ rv = xenbus_grant_ring(dev, priv->shr, 1, &gref);
+ if (rv < 0)
+ return rv;
+
+diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
+index d83ab94d041a..ca6ee9f389b6 100644
+--- a/drivers/cpufreq/cpufreq-dt.c
++++ b/drivers/cpufreq/cpufreq-dt.c
+@@ -32,6 +32,7 @@ struct private_data {
+ struct device *cpu_dev;
+ struct thermal_cooling_device *cdev;
+ const char *reg_name;
++ bool have_static_opps;
+ };
+
+ static struct freq_attr *cpufreq_dt_attr[] = {
+@@ -196,6 +197,15 @@ static int cpufreq_init(struct cpufreq_policy *policy)
+ }
+ }
+
++ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
++ if (!priv) {
++ ret = -ENOMEM;
++ goto out_put_regulator;
++ }
++
++ priv->reg_name = name;
++ priv->opp_table = opp_table;
++
+ /*
+ * Initialize OPP tables for all policy->cpus. They will be shared by
+ * all CPUs which have marked their CPUs shared with OPP bindings.
+@@ -206,7 +216,8 @@ static int cpufreq_init(struct cpufreq_policy *policy)
+ *
+ * OPPs might be populated at runtime, don't check for error here
+ */
+- dev_pm_opp_of_cpumask_add_table(policy->cpus);
++ if (!dev_pm_opp_of_cpumask_add_table(policy->cpus))
++ priv->have_static_opps = true;
+
+ /*
+ * But we need OPP table to function so if it is not there let's
+@@ -232,19 +243,10 @@ static int cpufreq_init(struct cpufreq_policy *policy)
+ __func__, ret);
+ }
+
+- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+- if (!priv) {
+- ret = -ENOMEM;
+- goto out_free_opp;
+- }
+-
+- priv->reg_name = name;
+- priv->opp_table = opp_table;
+-
+ ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table);
+ if (ret) {
+ dev_err(cpu_dev, "failed to init cpufreq table: %d\n", ret);
+- goto out_free_priv;
++ goto out_free_opp;
+ }
+
+ priv->cpu_dev = cpu_dev;
+@@ -280,10 +282,11 @@ static int cpufreq_init(struct cpufreq_policy *policy)
+
+ out_free_cpufreq_table:
+ dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table);
+-out_free_priv:
+- kfree(priv);
+ out_free_opp:
+- dev_pm_opp_of_cpumask_remove_table(policy->cpus);
++ if (priv->have_static_opps)
++ dev_pm_opp_of_cpumask_remove_table(policy->cpus);
++ kfree(priv);
++out_put_regulator:
+ if (name)
+ dev_pm_opp_put_regulators(opp_table);
+ out_put_clk:
+@@ -298,7 +301,8 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
+
+ cpufreq_cooling_unregister(priv->cdev);
+ dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
+- dev_pm_opp_of_cpumask_remove_table(policy->related_cpus);
++ if (priv->have_static_opps)
++ dev_pm_opp_of_cpumask_remove_table(policy->related_cpus);
+ if (priv->reg_name)
+ dev_pm_opp_put_regulators(priv->opp_table);
+
+diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
+index f20f20a77d4d..4268f87e99fc 100644
+--- a/drivers/cpufreq/cpufreq_conservative.c
++++ b/drivers/cpufreq/cpufreq_conservative.c
+@@ -80,8 +80,10 @@ static unsigned int cs_dbs_update(struct cpufreq_policy *policy)
+ * changed in the meantime, so fall back to current frequency in that
+ * case.
+ */
+- if (requested_freq > policy->max || requested_freq < policy->min)
++ if (requested_freq > policy->max || requested_freq < policy->min) {
+ requested_freq = policy->cur;
++ dbs_info->requested_freq = requested_freq;
++ }
+
+ freq_step = get_freq_step(cs_tuners, policy);
+
+@@ -92,7 +94,7 @@ static unsigned int cs_dbs_update(struct cpufreq_policy *policy)
+ if (policy_dbs->idle_periods < UINT_MAX) {
+ unsigned int freq_steps = policy_dbs->idle_periods * freq_step;
+
+- if (requested_freq > freq_steps)
++ if (requested_freq > policy->min + freq_steps)
+ requested_freq -= freq_steps;
+ else
+ requested_freq = policy->min;
+diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h
+index fee363865d88..e5513cc59ec3 100644
+--- a/drivers/crypto/caam/regs.h
++++ b/drivers/crypto/caam/regs.h
+@@ -70,22 +70,22 @@
+ extern bool caam_little_end;
+ extern bool caam_imx;
+
+-#define caam_to_cpu(len) \
+-static inline u##len caam##len ## _to_cpu(u##len val) \
+-{ \
+- if (caam_little_end) \
+- return le##len ## _to_cpu(val); \
+- else \
+- return be##len ## _to_cpu(val); \
++#define caam_to_cpu(len) \
++static inline u##len caam##len ## _to_cpu(u##len val) \
++{ \
++ if (caam_little_end) \
++ return le##len ## _to_cpu((__force __le##len)val); \
++ else \
++ return be##len ## _to_cpu((__force __be##len)val); \
+ }
+
+-#define cpu_to_caam(len) \
+-static inline u##len cpu_to_caam##len(u##len val) \
+-{ \
+- if (caam_little_end) \
+- return cpu_to_le##len(val); \
+- else \
+- return cpu_to_be##len(val); \
++#define cpu_to_caam(len) \
++static inline u##len cpu_to_caam##len(u##len val) \
++{ \
++ if (caam_little_end) \
++ return (__force u##len)cpu_to_le##len(val); \
++ else \
++ return (__force u##len)cpu_to_be##len(val); \
+ }
+
+ caam_to_cpu(16)
+diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
+index 7373b7a555ec..803cfb4523b0 100644
+--- a/drivers/dma/dma-jz4780.c
++++ b/drivers/dma/dma-jz4780.c
+@@ -754,6 +754,11 @@ static int jz4780_dma_probe(struct platform_device *pdev)
+ struct resource *res;
+ int i, ret;
+
++ if (!dev->of_node) {
++ dev_err(dev, "This driver must be probed from devicetree\n");
++ return -EINVAL;
++ }
++
+ jzdma = devm_kzalloc(dev, sizeof(*jzdma), GFP_KERNEL);
+ if (!jzdma)
+ return -ENOMEM;
+diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
+index 854deb0da07c..68680e4151ea 100644
+--- a/drivers/dma/ioat/init.c
++++ b/drivers/dma/ioat/init.c
+@@ -1205,8 +1205,15 @@ static void ioat_shutdown(struct pci_dev *pdev)
+
+ spin_lock_bh(&ioat_chan->prep_lock);
+ set_bit(IOAT_CHAN_DOWN, &ioat_chan->state);
+- del_timer_sync(&ioat_chan->timer);
+ spin_unlock_bh(&ioat_chan->prep_lock);
++ /*
++ * Synchronization rule for del_timer_sync():
++ * - The caller must not hold locks which would prevent
++ * completion of the timer's handler.
++ * So prep_lock cannot be held before calling it.
++ */
++ del_timer_sync(&ioat_chan->timer);
++
+ /* this should quiesce then reset */
+ ioat_reset_hw(ioat_chan);
+ }
+diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
+index 4cf0d4d0cecf..25610286979f 100644
+--- a/drivers/dma/ppc4xx/adma.c
++++ b/drivers/dma/ppc4xx/adma.c
+@@ -4360,7 +4360,7 @@ static ssize_t enable_store(struct device_driver *dev, const char *buf,
+ }
+ static DRIVER_ATTR_RW(enable);
+
+-static ssize_t poly_store(struct device_driver *dev, char *buf)
++static ssize_t poly_show(struct device_driver *dev, char *buf)
+ {
+ ssize_t size = 0;
+ u32 reg;
+diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c
+index 786fc8fcc38e..32192e98159b 100644
+--- a/drivers/dma/stm32-dma.c
++++ b/drivers/dma/stm32-dma.c
+@@ -429,6 +429,8 @@ static void stm32_dma_dump_reg(struct stm32_dma_chan *chan)
+ dev_dbg(chan2dev(chan), "SFCR: 0x%08x\n", sfcr);
+ }
+
++static void stm32_dma_configure_next_sg(struct stm32_dma_chan *chan);
++
+ static void stm32_dma_start_transfer(struct stm32_dma_chan *chan)
+ {
+ struct stm32_dma_device *dmadev = stm32_dma_get_dev(chan);
+@@ -471,6 +473,9 @@ static void stm32_dma_start_transfer(struct stm32_dma_chan *chan)
+ if (status)
+ stm32_dma_irq_clear(chan, status);
+
++ if (chan->desc->cyclic)
++ stm32_dma_configure_next_sg(chan);
++
+ stm32_dma_dump_reg(chan);
+
+ /* Start DMA */
+@@ -564,8 +569,7 @@ static void stm32_dma_issue_pending(struct dma_chan *c)
+ if (vchan_issue_pending(&chan->vchan) && !chan->desc && !chan->busy) {
+ dev_dbg(chan2dev(chan), "vchan %p: issued\n", &chan->vchan);
+ stm32_dma_start_transfer(chan);
+- if (chan->desc->cyclic)
+- stm32_dma_configure_next_sg(chan);
++
+ }
+ spin_unlock_irqrestore(&chan->vchan.lock, flags);
+ }
+diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
+index 59ce32e405ac..667f5ba0403c 100644
+--- a/drivers/edac/amd64_edac.c
++++ b/drivers/edac/amd64_edac.c
+@@ -2200,6 +2200,15 @@ static struct amd64_family_type family_types[] = {
+ .dbam_to_cs = f17_base_addr_to_cs_size,
+ }
+ },
++ [F17_M10H_CPUS] = {
++ .ctl_name = "F17h_M10h",
++ .f0_id = PCI_DEVICE_ID_AMD_17H_M10H_DF_F0,
++ .f6_id = PCI_DEVICE_ID_AMD_17H_M10H_DF_F6,
++ .ops = {
++ .early_channel_count = f17_early_channel_count,
++ .dbam_to_cs = f17_base_addr_to_cs_size,
++ }
++ },
+ };
+
+ /*
+@@ -3188,6 +3197,11 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt)
+ break;
+
+ case 0x17:
++ if (pvt->model >= 0x10 && pvt->model <= 0x2f) {
++ fam_type = &family_types[F17_M10H_CPUS];
++ pvt->ops = &family_types[F17_M10H_CPUS].ops;
++ break;
++ }
+ fam_type = &family_types[F17_CPUS];
+ pvt->ops = &family_types[F17_CPUS].ops;
+ break;
+diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
+index 1d4b74e9a037..4242f8e39c18 100644
+--- a/drivers/edac/amd64_edac.h
++++ b/drivers/edac/amd64_edac.h
+@@ -115,6 +115,8 @@
+ #define PCI_DEVICE_ID_AMD_16H_M30H_NB_F2 0x1582
+ #define PCI_DEVICE_ID_AMD_17H_DF_F0 0x1460
+ #define PCI_DEVICE_ID_AMD_17H_DF_F6 0x1466
++#define PCI_DEVICE_ID_AMD_17H_M10H_DF_F0 0x15e8
++#define PCI_DEVICE_ID_AMD_17H_M10H_DF_F6 0x15ee
+
+ /*
+ * Function 1 - Address Map
+@@ -281,6 +283,7 @@ enum amd_families {
+ F16_CPUS,
+ F16_M30H_CPUS,
+ F17_CPUS,
++ F17_M10H_CPUS,
+ NUM_FAMILIES,
+ };
+
+diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
+index 6c7d5f20eacb..2054a24b41d7 100644
+--- a/drivers/edac/i7core_edac.c
++++ b/drivers/edac/i7core_edac.c
+@@ -1711,6 +1711,7 @@ static void i7core_mce_output_error(struct mem_ctl_info *mci,
+ u32 errnum = find_first_bit(&error, 32);
+
+ if (uncorrected_error) {
++ core_err_cnt = 1;
+ if (ripv)
+ tp_event = HW_EVENT_ERR_FATAL;
+ else
+diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
+index 0dc0d595c47c..b0b390a1da15 100644
+--- a/drivers/edac/sb_edac.c
++++ b/drivers/edac/sb_edac.c
+@@ -2891,6 +2891,7 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci,
+ recoverable = GET_BITFIELD(m->status, 56, 56);
+
+ if (uncorrected_error) {
++ core_err_cnt = 1;
+ if (ripv) {
+ type = "FATAL";
+ tp_event = HW_EVENT_ERR_FATAL;
+diff --git a/drivers/edac/skx_edac.c b/drivers/edac/skx_edac.c
+index 16dea97568a1..5dafd4fa8f5e 100644
+--- a/drivers/edac/skx_edac.c
++++ b/drivers/edac/skx_edac.c
+@@ -604,7 +604,7 @@ sad_found:
+ break;
+ case 2:
+ lchan = (addr >> shift) % 2;
+- lchan = (lchan << 1) | ~lchan;
++ lchan = (lchan << 1) | !lchan;
+ break;
+ case 3:
+ lchan = ((addr >> shift) % 2) << 1;
+@@ -895,6 +895,7 @@ static void skx_mce_output_error(struct mem_ctl_info *mci,
+ recoverable = GET_BITFIELD(m->status, 56, 56);
+
+ if (uncorrected_error) {
++ core_err_cnt = 1;
+ if (ripv) {
+ type = "FATAL";
+ tp_event = HW_EVENT_ERR_FATAL;
+diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
+index cf307bdc3d53..89761551c15d 100644
+--- a/drivers/hid/usbhid/hiddev.c
++++ b/drivers/hid/usbhid/hiddev.c
+@@ -512,14 +512,24 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd,
+ if (cmd == HIDIOCGCOLLECTIONINDEX) {
+ if (uref->usage_index >= field->maxusage)
+ goto inval;
++ uref->usage_index =
++ array_index_nospec(uref->usage_index,
++ field->maxusage);
+ } else if (uref->usage_index >= field->report_count)
+ goto inval;
+ }
+
+- if ((cmd == HIDIOCGUSAGES || cmd == HIDIOCSUSAGES) &&
+- (uref_multi->num_values > HID_MAX_MULTI_USAGES ||
+- uref->usage_index + uref_multi->num_values > field->report_count))
+- goto inval;
++ if (cmd == HIDIOCGUSAGES || cmd == HIDIOCSUSAGES) {
++ if (uref_multi->num_values > HID_MAX_MULTI_USAGES ||
++ uref->usage_index + uref_multi->num_values >
++ field->report_count)
++ goto inval;
++
++ uref->usage_index =
++ array_index_nospec(uref->usage_index,
++ field->report_count -
++ uref_multi->num_values);
++ }
+
+ switch (cmd) {
+ case HIDIOCGUSAGE:
+diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
+index 1700b4e7758d..752c52f7353d 100644
+--- a/drivers/hv/channel_mgmt.c
++++ b/drivers/hv/channel_mgmt.c
+@@ -599,16 +599,18 @@ static void init_vp_index(struct vmbus_channel *channel, u16 dev_type)
+ bool perf_chn = vmbus_devs[dev_type].perf_device;
+ struct vmbus_channel *primary = channel->primary_channel;
+ int next_node;
+- struct cpumask available_mask;
++ cpumask_var_t available_mask;
+ struct cpumask *alloced_mask;
+
+ if ((vmbus_proto_version == VERSION_WS2008) ||
+- (vmbus_proto_version == VERSION_WIN7) || (!perf_chn)) {
++ (vmbus_proto_version == VERSION_WIN7) || (!perf_chn) ||
++ !alloc_cpumask_var(&available_mask, GFP_KERNEL)) {
+ /*
+ * Prior to win8, all channel interrupts are
+ * delivered on cpu 0.
+ * Also if the channel is not a performance critical
+ * channel, bind it to cpu 0.
++ * In case alloc_cpumask_var() fails, bind it to cpu 0.
+ */
+ channel->numa_node = 0;
+ channel->target_cpu = 0;
+@@ -646,7 +648,7 @@ static void init_vp_index(struct vmbus_channel *channel, u16 dev_type)
+ cpumask_clear(alloced_mask);
+ }
+
+- cpumask_xor(&available_mask, alloced_mask,
++ cpumask_xor(available_mask, alloced_mask,
+ cpumask_of_node(primary->numa_node));
+
+ cur_cpu = -1;
+@@ -664,10 +666,10 @@ static void init_vp_index(struct vmbus_channel *channel, u16 dev_type)
+ }
+
+ while (true) {
+- cur_cpu = cpumask_next(cur_cpu, &available_mask);
++ cur_cpu = cpumask_next(cur_cpu, available_mask);
+ if (cur_cpu >= nr_cpu_ids) {
+ cur_cpu = -1;
+- cpumask_copy(&available_mask,
++ cpumask_copy(available_mask,
+ cpumask_of_node(primary->numa_node));
+ continue;
+ }
+@@ -697,6 +699,8 @@ static void init_vp_index(struct vmbus_channel *channel, u16 dev_type)
+
+ channel->target_cpu = cur_cpu;
+ channel->target_vp = hv_cpu_number_to_vp_number(cur_cpu);
++
++ free_cpumask_var(available_mask);
+ }
+
+ static void vmbus_wait_for_unload(void)
+diff --git a/drivers/hwmon/pmbus/pmbus.c b/drivers/hwmon/pmbus/pmbus.c
+index 7718e58dbda5..7688dab32f6e 100644
+--- a/drivers/hwmon/pmbus/pmbus.c
++++ b/drivers/hwmon/pmbus/pmbus.c
+@@ -118,6 +118,8 @@ static int pmbus_identify(struct i2c_client *client,
+ } else {
+ info->pages = 1;
+ }
++
++ pmbus_clear_faults(client);
+ }
+
+ if (pmbus_check_byte_register(client, 0, PMBUS_VOUT_MODE)) {
+diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
+index a139940cd991..924f3ca41c65 100644
+--- a/drivers/hwmon/pmbus/pmbus_core.c
++++ b/drivers/hwmon/pmbus/pmbus_core.c
+@@ -1802,7 +1802,10 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data,
+ if (ret >= 0 && (ret & PB_CAPABILITY_ERROR_CHECK))
+ client->flags |= I2C_CLIENT_PEC;
+
+- pmbus_clear_faults(client);
++ if (data->info->pages)
++ pmbus_clear_faults(client);
++ else
++ pmbus_clear_fault_page(client, -1);
+
+ if (info->identify) {
+ ret = (*info->identify)(client, info);
+diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
+index 70cc0d134f3c..ca250e7ac511 100644
+--- a/drivers/hwmon/pwm-fan.c
++++ b/drivers/hwmon/pwm-fan.c
+@@ -290,9 +290,19 @@ static int pwm_fan_remove(struct platform_device *pdev)
+ static int pwm_fan_suspend(struct device *dev)
+ {
+ struct pwm_fan_ctx *ctx = dev_get_drvdata(dev);
++ struct pwm_args args;
++ int ret;
++
++ pwm_get_args(ctx->pwm, &args);
++
++ if (ctx->pwm_value) {
++ ret = pwm_config(ctx->pwm, 0, args.period);
++ if (ret < 0)
++ return ret;
+
+- if (ctx->pwm_value)
+ pwm_disable(ctx->pwm);
++ }
++
+ return 0;
+ }
+
+diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
+index 56ecd7aff5eb..d14a9cb7959a 100644
+--- a/drivers/hwtracing/coresight/coresight-etb10.c
++++ b/drivers/hwtracing/coresight/coresight-etb10.c
+@@ -155,6 +155,10 @@ static int etb_enable(struct coresight_device *csdev, u32 mode)
+ if (val == CS_MODE_PERF)
+ return -EBUSY;
+
++ /* Don't let perf disturb sysFS sessions */
++ if (val == CS_MODE_SYSFS && mode == CS_MODE_PERF)
++ return -EBUSY;
++
+ /* Nothing to do, the tracer is already enabled. */
+ if (val == CS_MODE_SYSFS)
+ goto out;
+diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
+index 7f044df1ea07..3415733a9364 100644
+--- a/drivers/i2c/busses/i2c-rcar.c
++++ b/drivers/i2c/busses/i2c-rcar.c
+@@ -761,8 +761,12 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
+
+ time_left = wait_event_timeout(priv->wait, priv->flags & ID_DONE,
+ num * adap->timeout);
+- if (!time_left) {
++
++ /* cleanup DMA if it couldn't complete properly due to an error */
++ if (priv->dma_direction != DMA_NONE)
+ rcar_i2c_cleanup_dma(priv);
++
++ if (!time_left) {
+ rcar_i2c_init(priv);
+ ret = -ETIMEDOUT;
+ } else if (priv->flags & ID_NACK) {
+diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
+index 15109728cae7..cd686179aa92 100644
+--- a/drivers/iio/adc/at91_adc.c
++++ b/drivers/iio/adc/at91_adc.c
+@@ -248,12 +248,14 @@ static irqreturn_t at91_adc_trigger_handler(int irq, void *p)
+ struct iio_poll_func *pf = p;
+ struct iio_dev *idev = pf->indio_dev;
+ struct at91_adc_state *st = iio_priv(idev);
++ struct iio_chan_spec const *chan;
+ int i, j = 0;
+
+ for (i = 0; i < idev->masklength; i++) {
+ if (!test_bit(i, idev->active_scan_mask))
+ continue;
+- st->buffer[j] = at91_adc_readl(st, AT91_ADC_CHAN(st, i));
++ chan = idev->channels + i;
++ st->buffer[j] = at91_adc_readl(st, AT91_ADC_CHAN(st, chan->channel));
+ j++;
+ }
+
+@@ -279,6 +281,8 @@ static void handle_adc_eoc_trigger(int irq, struct iio_dev *idev)
+ iio_trigger_poll(idev->trig);
+ } else {
+ st->last_value = at91_adc_readl(st, AT91_ADC_CHAN(st, st->chnb));
++ /* Needed to ACK the DRDY interruption */
++ at91_adc_readl(st, AT91_ADC_LCDR);
+ st->done = true;
+ wake_up_interruptible(&st->wq_data_avail);
+ }
+diff --git a/drivers/iio/adc/fsl-imx25-gcq.c b/drivers/iio/adc/fsl-imx25-gcq.c
+index ea264fa9e567..929c617db364 100644
+--- a/drivers/iio/adc/fsl-imx25-gcq.c
++++ b/drivers/iio/adc/fsl-imx25-gcq.c
+@@ -209,12 +209,14 @@ static int mx25_gcq_setup_cfgs(struct platform_device *pdev,
+ ret = of_property_read_u32(child, "reg", &reg);
+ if (ret) {
+ dev_err(dev, "Failed to get reg property\n");
++ of_node_put(child);
+ return ret;
+ }
+
+ if (reg >= MX25_NUM_CFGS) {
+ dev_err(dev,
+ "reg value is greater than the number of available configuration registers\n");
++ of_node_put(child);
+ return -EINVAL;
+ }
+
+@@ -228,6 +230,7 @@ static int mx25_gcq_setup_cfgs(struct platform_device *pdev,
+ if (IS_ERR(priv->vref[refp])) {
+ dev_err(dev, "Error, trying to use external voltage reference without a vref-%s regulator.",
+ mx25_gcq_refp_names[refp]);
++ of_node_put(child);
+ return PTR_ERR(priv->vref[refp]);
+ }
+ priv->channel_vref_mv[reg] =
+@@ -240,6 +243,7 @@ static int mx25_gcq_setup_cfgs(struct platform_device *pdev,
+ break;
+ default:
+ dev_err(dev, "Invalid positive reference %d\n", refp);
++ of_node_put(child);
+ return -EINVAL;
+ }
+
+@@ -254,10 +258,12 @@ static int mx25_gcq_setup_cfgs(struct platform_device *pdev,
+
+ if ((refp & MX25_ADCQ_CFG_REFP_MASK) != refp) {
+ dev_err(dev, "Invalid fsl,adc-refp property value\n");
++ of_node_put(child);
+ return -EINVAL;
+ }
+ if ((refn & MX25_ADCQ_CFG_REFN_MASK) != refn) {
+ dev_err(dev, "Invalid fsl,adc-refn property value\n");
++ of_node_put(child);
+ return -EINVAL;
+ }
+
+diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c
+index 3f9399c27869..efc762da2ba8 100644
+--- a/drivers/iio/dac/ad5064.c
++++ b/drivers/iio/dac/ad5064.c
+@@ -809,6 +809,40 @@ static int ad5064_set_config(struct ad5064_state *st, unsigned int val)
+ return ad5064_write(st, cmd, 0, val, 0);
+ }
+
++static int ad5064_request_vref(struct ad5064_state *st, struct device *dev)
++{
++ unsigned int i;
++ int ret;
++
++ for (i = 0; i < ad5064_num_vref(st); ++i)
++ st->vref_reg[i].supply = ad5064_vref_name(st, i);
++
++ if (!st->chip_info->internal_vref)
++ return devm_regulator_bulk_get(dev, ad5064_num_vref(st),
++ st->vref_reg);
++
++ /*
++ * This assumes that when the regulator has an internal VREF
++ * there is only one external VREF connection, which is
++ * currently the case for all supported devices.
++ */
++ st->vref_reg[0].consumer = devm_regulator_get_optional(dev, "vref");
++ if (!IS_ERR(st->vref_reg[0].consumer))
++ return 0;
++
++ ret = PTR_ERR(st->vref_reg[0].consumer);
++ if (ret != -ENODEV)
++ return ret;
++
++ /* If no external regulator was supplied use the internal VREF */
++ st->use_internal_vref = true;
++ ret = ad5064_set_config(st, AD5064_CONFIG_INT_VREF_ENABLE);
++ if (ret)
++ dev_err(dev, "Failed to enable internal vref: %d\n", ret);
++
++ return ret;
++}
++
+ static int ad5064_probe(struct device *dev, enum ad5064_type type,
+ const char *name, ad5064_write_func write)
+ {
+@@ -829,22 +863,11 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,
+ st->dev = dev;
+ st->write = write;
+
+- for (i = 0; i < ad5064_num_vref(st); ++i)
+- st->vref_reg[i].supply = ad5064_vref_name(st, i);
++ ret = ad5064_request_vref(st, dev);
++ if (ret)
++ return ret;
+
+- ret = devm_regulator_bulk_get(dev, ad5064_num_vref(st),
+- st->vref_reg);
+- if (ret) {
+- if (!st->chip_info->internal_vref)
+- return ret;
+- st->use_internal_vref = true;
+- ret = ad5064_set_config(st, AD5064_CONFIG_INT_VREF_ENABLE);
+- if (ret) {
+- dev_err(dev, "Failed to enable internal vref: %d\n",
+- ret);
+- return ret;
+- }
+- } else {
++ if (!st->use_internal_vref) {
+ ret = regulator_bulk_enable(ad5064_num_vref(st), st->vref_reg);
+ if (ret)
+ return ret;
+diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
+index 0a1e96c25ca3..f75f99476ad0 100644
+--- a/drivers/infiniband/core/sysfs.c
++++ b/drivers/infiniband/core/sysfs.c
+@@ -489,7 +489,7 @@ static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
+ ret = get_perf_mad(p->ibdev, p->port_num, tab_attr->attr_id, &data,
+ 40 + offset / 8, sizeof(data));
+ if (ret < 0)
+- return sprintf(buf, "N/A (no PMA)\n");
++ return ret;
+
+ switch (width) {
+ case 4:
+@@ -1012,10 +1012,12 @@ static int add_port(struct ib_device *device, int port_num,
+ goto err_put;
+ }
+
+- p->pma_table = get_counter_table(device, port_num);
+- ret = sysfs_create_group(&p->kobj, p->pma_table);
+- if (ret)
+- goto err_put_gid_attrs;
++ if (device->process_mad) {
++ p->pma_table = get_counter_table(device, port_num);
++ ret = sysfs_create_group(&p->kobj, p->pma_table);
++ if (ret)
++ goto err_put_gid_attrs;
++ }
+
+ p->gid_group.name = "gids";
+ p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len);
+@@ -1128,7 +1130,8 @@ err_free_gid:
+ p->gid_group.attrs = NULL;
+
+ err_remove_pma:
+- sysfs_remove_group(&p->kobj, p->pma_table);
++ if (p->pma_table)
++ sysfs_remove_group(&p->kobj, p->pma_table);
+
+ err_put_gid_attrs:
+ kobject_put(&p->gid_attr_group->kobj);
+@@ -1240,7 +1243,9 @@ static void free_port_list_attributes(struct ib_device *device)
+ kfree(port->hw_stats);
+ free_hsag(&port->kobj, port->hw_stats_ag);
+ }
+- sysfs_remove_group(p, port->pma_table);
++
++ if (port->pma_table)
++ sysfs_remove_group(p, port->pma_table);
+ sysfs_remove_group(p, &port->pkey_group);
+ sysfs_remove_group(p, &port->gid_group);
+ sysfs_remove_group(&port->gid_attr_group->kobj,
+diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
+index 8d91733009a4..ad74988837c9 100644
+--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
++++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
+@@ -311,8 +311,17 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw,
+ bnxt_qplib_release_cq_locks(qp, &flags);
+ break;
+ default:
+- /* Command Response */
+- spin_lock_irqsave(&cmdq->lock, flags);
++ /*
++ * Command Response
++ * cmdq->lock needs to be acquired to synchronie
++ * the command send and completion reaping. This function
++ * is always called with creq->lock held. Using
++ * the nested variant of spin_lock.
++ *
++ */
++
++ spin_lock_irqsave_nested(&cmdq->lock, flags,
++ SINGLE_DEPTH_NESTING);
+ cookie = le16_to_cpu(qp_event->cookie);
+ mcookie = qp_event->cookie;
+ blocked = cookie & RCFW_CMD_IS_BLOCKING;
+diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
+index 9866c5d1b99f..e88bb71056cd 100644
+--- a/drivers/infiniband/hw/mlx5/mr.c
++++ b/drivers/infiniband/hw/mlx5/mr.c
+@@ -675,7 +675,6 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
+ init_completion(&ent->compl);
+ INIT_WORK(&ent->work, cache_work_func);
+ INIT_DELAYED_WORK(&ent->dwork, delayed_cache_work_func);
+- queue_work(cache->wq, &ent->work);
+
+ if (i > MR_CACHE_LAST_STD_ENTRY) {
+ mlx5_odp_init_mr_cache_entry(ent);
+@@ -694,6 +693,7 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
+ ent->limit = dev->mdev->profile->mr_cache[i].limit;
+ else
+ ent->limit = 0;
++ queue_work(cache->wq, &ent->work);
+ }
+
+ err = mlx5_mr_cache_debugfs_init(dev);
+diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
+index bd43c1c7a42f..4d84b010b3ee 100644
+--- a/drivers/infiniband/sw/rxe/rxe_resp.c
++++ b/drivers/infiniband/sw/rxe/rxe_resp.c
+@@ -683,6 +683,7 @@ static enum resp_states read_reply(struct rxe_qp *qp,
+ rxe_advance_resp_resource(qp);
+
+ res->type = RXE_READ_MASK;
++ res->replay = 0;
+
+ res->read.va = qp->resp.va;
+ res->read.va_org = qp->resp.va;
+@@ -753,7 +754,8 @@ static enum resp_states read_reply(struct rxe_qp *qp,
+ state = RESPST_DONE;
+ } else {
+ qp->resp.res = NULL;
+- qp->resp.opcode = -1;
++ if (!res->replay)
++ qp->resp.opcode = -1;
+ if (psn_compare(res->cur_psn, qp->resp.psn) >= 0)
+ qp->resp.psn = res->cur_psn;
+ state = RESPST_CLEANUP;
+@@ -815,6 +817,7 @@ static enum resp_states execute(struct rxe_qp *qp, struct rxe_pkt_info *pkt)
+
+ /* next expected psn, read handles this separately */
+ qp->resp.psn = (pkt->psn + 1) & BTH_PSN_MASK;
++ qp->resp.ack_psn = qp->resp.psn;
+
+ qp->resp.opcode = pkt->opcode;
+ qp->resp.status = IB_WC_SUCCESS;
+@@ -1071,7 +1074,7 @@ static enum resp_states duplicate_request(struct rxe_qp *qp,
+ struct rxe_pkt_info *pkt)
+ {
+ enum resp_states rc;
+- u32 prev_psn = (qp->resp.psn - 1) & BTH_PSN_MASK;
++ u32 prev_psn = (qp->resp.ack_psn - 1) & BTH_PSN_MASK;
+
+ if (pkt->mask & RXE_SEND_MASK ||
+ pkt->mask & RXE_WRITE_MASK) {
+@@ -1114,6 +1117,7 @@ static enum resp_states duplicate_request(struct rxe_qp *qp,
+ res->state = (pkt->psn == res->first_psn) ?
+ rdatm_res_state_new :
+ rdatm_res_state_replay;
++ res->replay = 1;
+
+ /* Reset the resource, except length. */
+ res->read.va_org = iova;
+diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
+index 1019f5e7dbdd..59f6a24db064 100644
+--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
++++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
+@@ -173,6 +173,7 @@ enum rdatm_res_state {
+
+ struct resp_res {
+ int type;
++ int replay;
+ u32 first_psn;
+ u32 last_psn;
+ u32 cur_psn;
+@@ -197,6 +198,7 @@ struct rxe_resp_info {
+ enum rxe_qp_state state;
+ u32 msn;
+ u32 psn;
++ u32 ack_psn;
+ int opcode;
+ int drop_msg;
+ int goto_error;
+diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+index 9939f32d0154..0e85b3445c07 100644
+--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
++++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+@@ -1427,11 +1427,15 @@ static void ipoib_cm_skb_reap(struct work_struct *work)
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
+
+- if (skb->protocol == htons(ETH_P_IP))
++ if (skb->protocol == htons(ETH_P_IP)) {
++ memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
+ icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
++ }
+ #if IS_ENABLED(CONFIG_IPV6)
+- else if (skb->protocol == htons(ETH_P_IPV6))
++ else if (skb->protocol == htons(ETH_P_IPV6)) {
++ memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
+ icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
++ }
+ #endif
+ dev_kfree_skb_any(skb);
+
+diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
+index 2c436376f13e..15b5856475fc 100644
+--- a/drivers/iommu/arm-smmu.c
++++ b/drivers/iommu/arm-smmu.c
+@@ -475,6 +475,9 @@ static void arm_smmu_tlb_inv_range_nosync(unsigned long iova, size_t size,
+ bool stage1 = cfg->cbar != CBAR_TYPE_S2_TRANS;
+ void __iomem *reg = ARM_SMMU_CB(smmu_domain->smmu, cfg->cbndx);
+
++ if (smmu_domain->smmu->features & ARM_SMMU_FEAT_COHERENT_WALK)
++ wmb();
++
+ if (stage1) {
+ reg += leaf ? ARM_SMMU_CB_S1_TLBIVAL : ARM_SMMU_CB_S1_TLBIVA;
+
+@@ -516,6 +519,9 @@ static void arm_smmu_tlb_inv_vmid_nosync(unsigned long iova, size_t size,
+ struct arm_smmu_domain *smmu_domain = cookie;
+ void __iomem *base = ARM_SMMU_GR0(smmu_domain->smmu);
+
++ if (smmu_domain->smmu->features & ARM_SMMU_FEAT_COHERENT_WALK)
++ wmb();
++
+ writel_relaxed(smmu_domain->cfg.vmid, base + ARM_SMMU_GR0_TLBIVMID);
+ }
+
+diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
+index cb556e06673e..5d0912bf9eab 100644
+--- a/drivers/lightnvm/pblk-recovery.c
++++ b/drivers/lightnvm/pblk-recovery.c
+@@ -1001,12 +1001,14 @@ next:
+ }
+ }
+
+- spin_lock(&l_mg->free_lock);
+ if (!open_lines) {
++ spin_lock(&l_mg->free_lock);
+ WARN_ON_ONCE(!test_and_clear_bit(meta_line,
+ &l_mg->meta_bitmap));
++ spin_unlock(&l_mg->free_lock);
+ pblk_line_replace_data(pblk);
+ } else {
++ spin_lock(&l_mg->free_lock);
+ /* Allocate next line for preparation */
+ l_mg->data_next = pblk_line_get(pblk);
+ if (l_mg->data_next) {
+@@ -1014,8 +1016,8 @@ next:
+ l_mg->data_next->type = PBLK_LINETYPE_DATA;
+ is_next = 1;
+ }
++ spin_unlock(&l_mg->free_lock);
+ }
+- spin_unlock(&l_mg->free_lock);
+
+ if (is_next) {
+ pblk_line_erase(pblk, l_mg->data_next);
+diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
+index 89d088cf95d9..9406326216f1 100644
+--- a/drivers/md/bcache/btree.c
++++ b/drivers/md/bcache/btree.c
+@@ -2371,7 +2371,7 @@ static int refill_keybuf_fn(struct btree_op *op, struct btree *b,
+ struct keybuf *buf = refill->buf;
+ int ret = MAP_CONTINUE;
+
+- if (bkey_cmp(k, refill->end) >= 0) {
++ if (bkey_cmp(k, refill->end) > 0) {
+ ret = MAP_DONE;
+ goto out;
+ }
+diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
+index 5b63afff46d5..69b336d8c05a 100644
+--- a/drivers/md/bcache/request.c
++++ b/drivers/md/bcache/request.c
+@@ -792,7 +792,7 @@ static void cached_dev_read_done_bh(struct closure *cl)
+
+ bch_mark_cache_accounting(s->iop.c, s->d,
+ !s->cache_missed, s->iop.bypass);
+- trace_bcache_read(s->orig_bio, !s->cache_miss, s->iop.bypass);
++ trace_bcache_read(s->orig_bio, !s->cache_missed, s->iop.bypass);
+
+ if (s->iop.status)
+ continue_at_nobarrier(cl, cached_dev_read_error, bcache_wq);
+diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
+index e52676fa9832..ca948155191a 100644
+--- a/drivers/md/dm-ioctl.c
++++ b/drivers/md/dm-ioctl.c
+@@ -1719,8 +1719,7 @@ static void free_params(struct dm_ioctl *param, size_t param_size, int param_fla
+ }
+
+ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl *param_kernel,
+- int ioctl_flags,
+- struct dm_ioctl **param, int *param_flags)
++ int ioctl_flags, struct dm_ioctl **param, int *param_flags)
+ {
+ struct dm_ioctl *dmi;
+ int secure_data;
+@@ -1761,18 +1760,13 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl *param_kern
+
+ *param_flags |= DM_PARAMS_MALLOC;
+
+- if (copy_from_user(dmi, user, param_kernel->data_size))
+- goto bad;
++ /* Copy from param_kernel (which was already copied from user) */
++ memcpy(dmi, param_kernel, minimum_data_size);
+
+-data_copied:
+- /*
+- * Abort if something changed the ioctl data while it was being copied.
+- */
+- if (dmi->data_size != param_kernel->data_size) {
+- DMERR("rejecting ioctl: data size modified while processing parameters");
++ if (copy_from_user(&dmi->data, (char __user *)user + minimum_data_size,
++ param_kernel->data_size - minimum_data_size))
+ goto bad;
+- }
+-
++data_copied:
+ /* Wipe the user buffer so we do not return it to userspace */
+ if (secure_data && clear_user(user, param_kernel->data_size))
+ goto bad;
+diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
+index 70485de37b66..34968ca6b84a 100644
+--- a/drivers/md/dm-zoned-metadata.c
++++ b/drivers/md/dm-zoned-metadata.c
+@@ -99,7 +99,7 @@ struct dmz_mblock {
+ struct rb_node node;
+ struct list_head link;
+ sector_t no;
+- atomic_t ref;
++ unsigned int ref;
+ unsigned long state;
+ struct page *page;
+ void *data;
+@@ -296,7 +296,7 @@ static struct dmz_mblock *dmz_alloc_mblock(struct dmz_metadata *zmd,
+
+ RB_CLEAR_NODE(&mblk->node);
+ INIT_LIST_HEAD(&mblk->link);
+- atomic_set(&mblk->ref, 0);
++ mblk->ref = 0;
+ mblk->state = 0;
+ mblk->no = mblk_no;
+ mblk->data = page_address(mblk->page);
+@@ -339,10 +339,11 @@ static void dmz_insert_mblock(struct dmz_metadata *zmd, struct dmz_mblock *mblk)
+ }
+
+ /*
+- * Lookup a metadata block in the rbtree.
++ * Lookup a metadata block in the rbtree. If the block is found, increment
++ * its reference count.
+ */
+-static struct dmz_mblock *dmz_lookup_mblock(struct dmz_metadata *zmd,
+- sector_t mblk_no)
++static struct dmz_mblock *dmz_get_mblock_fast(struct dmz_metadata *zmd,
++ sector_t mblk_no)
+ {
+ struct rb_root *root = &zmd->mblk_rbtree;
+ struct rb_node *node = root->rb_node;
+@@ -350,8 +351,17 @@ static struct dmz_mblock *dmz_lookup_mblock(struct dmz_metadata *zmd,
+
+ while (node) {
+ mblk = container_of(node, struct dmz_mblock, node);
+- if (mblk->no == mblk_no)
++ if (mblk->no == mblk_no) {
++ /*
++ * If this is the first reference to the block,
++ * remove it from the LRU list.
++ */
++ mblk->ref++;
++ if (mblk->ref == 1 &&
++ !test_bit(DMZ_META_DIRTY, &mblk->state))
++ list_del_init(&mblk->link);
+ return mblk;
++ }
+ node = (mblk->no < mblk_no) ? node->rb_left : node->rb_right;
+ }
+
+@@ -382,32 +392,47 @@ static void dmz_mblock_bio_end_io(struct bio *bio)
+ }
+
+ /*
+- * Read a metadata block from disk.
++ * Read an uncached metadata block from disk and add it to the cache.
+ */
+-static struct dmz_mblock *dmz_fetch_mblock(struct dmz_metadata *zmd,
+- sector_t mblk_no)
++static struct dmz_mblock *dmz_get_mblock_slow(struct dmz_metadata *zmd,
++ sector_t mblk_no)
+ {
+- struct dmz_mblock *mblk;
++ struct dmz_mblock *mblk, *m;
+ sector_t block = zmd->sb[zmd->mblk_primary].block + mblk_no;
+ struct bio *bio;
+
+- /* Get block and insert it */
++ /* Get a new block and a BIO to read it */
+ mblk = dmz_alloc_mblock(zmd, mblk_no);
+ if (!mblk)
+ return NULL;
+
+- spin_lock(&zmd->mblk_lock);
+- atomic_inc(&mblk->ref);
+- set_bit(DMZ_META_READING, &mblk->state);
+- dmz_insert_mblock(zmd, mblk);
+- spin_unlock(&zmd->mblk_lock);
+-
+ bio = bio_alloc(GFP_NOIO, 1);
+ if (!bio) {
+ dmz_free_mblock(zmd, mblk);
+ return NULL;
+ }
+
++ spin_lock(&zmd->mblk_lock);
++
++ /*
++ * Make sure that another context did not start reading
++ * the block already.
++ */
++ m = dmz_get_mblock_fast(zmd, mblk_no);
++ if (m) {
++ spin_unlock(&zmd->mblk_lock);
++ dmz_free_mblock(zmd, mblk);
++ bio_put(bio);
++ return m;
++ }
++
++ mblk->ref++;
++ set_bit(DMZ_META_READING, &mblk->state);
++ dmz_insert_mblock(zmd, mblk);
++
++ spin_unlock(&zmd->mblk_lock);
++
++ /* Submit read BIO */
+ bio->bi_iter.bi_sector = dmz_blk2sect(block);
+ bio_set_dev(bio, zmd->dev->bdev);
+ bio->bi_private = mblk;
+@@ -484,7 +509,8 @@ static void dmz_release_mblock(struct dmz_metadata *zmd,
+
+ spin_lock(&zmd->mblk_lock);
+
+- if (atomic_dec_and_test(&mblk->ref)) {
++ mblk->ref--;
++ if (mblk->ref == 0) {
+ if (test_bit(DMZ_META_ERROR, &mblk->state)) {
+ rb_erase(&mblk->node, &zmd->mblk_rbtree);
+ dmz_free_mblock(zmd, mblk);
+@@ -508,18 +534,12 @@ static struct dmz_mblock *dmz_get_mblock(struct dmz_metadata *zmd,
+
+ /* Check rbtree */
+ spin_lock(&zmd->mblk_lock);
+- mblk = dmz_lookup_mblock(zmd, mblk_no);
+- if (mblk) {
+- /* Cache hit: remove block from LRU list */
+- if (atomic_inc_return(&mblk->ref) == 1 &&
+- !test_bit(DMZ_META_DIRTY, &mblk->state))
+- list_del_init(&mblk->link);
+- }
++ mblk = dmz_get_mblock_fast(zmd, mblk_no);
+ spin_unlock(&zmd->mblk_lock);
+
+ if (!mblk) {
+ /* Cache miss: read the block from disk */
+- mblk = dmz_fetch_mblock(zmd, mblk_no);
++ mblk = dmz_get_mblock_slow(zmd, mblk_no);
+ if (!mblk)
+ return ERR_PTR(-ENOMEM);
+ }
+@@ -753,7 +773,7 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
+
+ spin_lock(&zmd->mblk_lock);
+ clear_bit(DMZ_META_DIRTY, &mblk->state);
+- if (atomic_read(&mblk->ref) == 0)
++ if (mblk->ref == 0)
+ list_add_tail(&mblk->link, &zmd->mblk_lru_list);
+ spin_unlock(&zmd->mblk_lock);
+ }
+@@ -2308,7 +2328,7 @@ static void dmz_cleanup_metadata(struct dmz_metadata *zmd)
+ mblk = list_first_entry(&zmd->mblk_dirty_list,
+ struct dmz_mblock, link);
+ dmz_dev_warn(zmd->dev, "mblock %llu still in dirty list (ref %u)",
+- (u64)mblk->no, atomic_read(&mblk->ref));
++ (u64)mblk->no, mblk->ref);
+ list_del_init(&mblk->link);
+ rb_erase(&mblk->node, &zmd->mblk_rbtree);
+ dmz_free_mblock(zmd, mblk);
+@@ -2326,8 +2346,8 @@ static void dmz_cleanup_metadata(struct dmz_metadata *zmd)
+ root = &zmd->mblk_rbtree;
+ rbtree_postorder_for_each_entry_safe(mblk, next, root, node) {
+ dmz_dev_warn(zmd->dev, "mblock %llu ref %u still in rbtree",
+- (u64)mblk->no, atomic_read(&mblk->ref));
+- atomic_set(&mblk->ref, 0);
++ (u64)mblk->no, mblk->ref);
++ mblk->ref = 0;
+ dmz_free_mblock(zmd, mblk);
+ }
+
+diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
+index 78d830763704..205f86f1a6cb 100644
+--- a/drivers/md/raid1.c
++++ b/drivers/md/raid1.c
+@@ -1725,6 +1725,7 @@ static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev)
+ */
+ if (rdev->saved_raid_disk >= 0 &&
+ rdev->saved_raid_disk >= first &&
++ rdev->saved_raid_disk < conf->raid_disks &&
+ conf->mirrors[rdev->saved_raid_disk].rdev == NULL)
+ first = last = rdev->saved_raid_disk;
+
+diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
+index 927b60e9d3ca..e786546bf3b8 100644
+--- a/drivers/md/raid10.c
++++ b/drivers/md/raid10.c
+@@ -1775,6 +1775,7 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev)
+ first = last = rdev->raid_disk;
+
+ if (rdev->saved_raid_disk >= first &&
++ rdev->saved_raid_disk < conf->geo.raid_disks &&
+ conf->mirrors[rdev->saved_raid_disk].rdev == NULL)
+ mirror = rdev->saved_raid_disk;
+ else
+diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+index a772976cfe26..a1aacd6fb96f 100644
+--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
++++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+@@ -1765,7 +1765,7 @@ typedef struct { u16 __; u8 _; } __packed x24;
+ pos[7] = (chr & (0x01 << 0) ? fg : bg); \
+ } \
+ \
+- pos += (tpg->hflip ? -8 : 8) / hdiv; \
++ pos += (tpg->hflip ? -8 : 8) / (int)hdiv; \
+ } \
+ } \
+ } while (0)
+diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
+index 59b0c1fce9be..4d3e97f97c76 100644
+--- a/drivers/media/i2c/tvp5150.c
++++ b/drivers/media/i2c/tvp5150.c
+@@ -1530,7 +1530,7 @@ static int tvp5150_probe(struct i2c_client *c,
+ 27000000, 1, 27000000);
+ v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
+ V4L2_CID_TEST_PATTERN,
+- ARRAY_SIZE(tvp5150_test_patterns),
++ ARRAY_SIZE(tvp5150_test_patterns) - 1,
+ 0, 0, tvp5150_test_patterns);
+ sd->ctrl_handler = &core->hdl;
+ if (core->hdl.error) {
+diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
+index 11a59854a0a6..9747e23aad27 100644
+--- a/drivers/media/usb/em28xx/em28xx-cards.c
++++ b/drivers/media/usb/em28xx/em28xx-cards.c
+@@ -2112,13 +2112,13 @@ struct em28xx_board em28xx_boards[] = {
+ .input = { {
+ .type = EM28XX_VMUX_COMPOSITE,
+ .vmux = TVP5150_COMPOSITE1,
+- .amux = EM28XX_AUDIO_SRC_LINE,
++ .amux = EM28XX_AMUX_LINE_IN,
+ .gpio = terratec_av350_unmute_gpio,
+
+ }, {
+ .type = EM28XX_VMUX_SVIDEO,
+ .vmux = TVP5150_SVIDEO,
+- .amux = EM28XX_AUDIO_SRC_LINE,
++ .amux = EM28XX_AMUX_LINE_IN,
+ .gpio = terratec_av350_unmute_gpio,
+ } },
+ },
+diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
+index 8d253a5df0a9..92a74bc34527 100644
+--- a/drivers/media/usb/em28xx/em28xx-video.c
++++ b/drivers/media/usb/em28xx/em28xx-video.c
+@@ -900,6 +900,8 @@ static int em28xx_enable_analog_tuner(struct em28xx *dev)
+ if (!mdev || !v4l2->decoder)
+ return 0;
+
++ dev->v4l2->field_count = 0;
++
+ /*
+ * This will find the tuner that is connected into the decoder.
+ * Technically, this is not 100% correct, as the device may be
+@@ -1445,9 +1447,9 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
+
+ fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ if (!fmt) {
+- em28xx_videodbg("Fourcc format (%08x) invalid.\n",
+- f->fmt.pix.pixelformat);
+- return -EINVAL;
++ fmt = &format[0];
++ em28xx_videodbg("Fourcc format (%08x) invalid. Using default (%08x).\n",
++ f->fmt.pix.pixelformat, fmt->fourcc);
+ }
+
+ if (dev->board.is_em2800) {
+diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c
+index 29b7164a823b..d28ebe7ecd21 100644
+--- a/drivers/mfd/menelaus.c
++++ b/drivers/mfd/menelaus.c
+@@ -1094,6 +1094,7 @@ static void menelaus_rtc_alarm_work(struct menelaus_chip *m)
+ static inline void menelaus_rtc_init(struct menelaus_chip *m)
+ {
+ int alarm = (m->client->irq > 0);
++ int err;
+
+ /* assume 32KDETEN pin is pulled high */
+ if (!(menelaus_read_reg(MENELAUS_OSC_CTRL) & 0x80)) {
+@@ -1101,6 +1102,12 @@ static inline void menelaus_rtc_init(struct menelaus_chip *m)
+ return;
+ }
+
++ m->rtc = devm_rtc_allocate_device(&m->client->dev);
++ if (IS_ERR(m->rtc))
++ return;
++
++ m->rtc->ops = &menelaus_rtc_ops;
++
+ /* support RTC alarm; it can issue wakeups */
+ if (alarm) {
+ if (menelaus_add_irq_work(MENELAUS_RTCALM_IRQ,
+@@ -1125,10 +1132,8 @@ static inline void menelaus_rtc_init(struct menelaus_chip *m)
+ menelaus_write_reg(MENELAUS_RTC_CTRL, m->rtc_control);
+ }
+
+- m->rtc = rtc_device_register(DRIVER_NAME,
+- &m->client->dev,
+- &menelaus_rtc_ops, THIS_MODULE);
+- if (IS_ERR(m->rtc)) {
++ err = rtc_register_device(m->rtc);
++ if (err) {
+ if (alarm) {
+ menelaus_remove_irq_work(MENELAUS_RTCALM_IRQ);
+ device_init_wakeup(&m->client->dev, 0);
+diff --git a/drivers/misc/genwqe/card_base.h b/drivers/misc/genwqe/card_base.h
+index 5813b5f25006..135e02f257c1 100644
+--- a/drivers/misc/genwqe/card_base.h
++++ b/drivers/misc/genwqe/card_base.h
+@@ -403,7 +403,7 @@ struct genwqe_file {
+ struct file *filp;
+
+ struct fasync_struct *async_queue;
+- struct task_struct *owner;
++ struct pid *opener;
+ struct list_head list; /* entry in list of open files */
+
+ spinlock_t map_lock; /* lock for dma_mappings */
+diff --git a/drivers/misc/genwqe/card_dev.c b/drivers/misc/genwqe/card_dev.c
+index dd4617764f14..dbd5eaa69311 100644
+--- a/drivers/misc/genwqe/card_dev.c
++++ b/drivers/misc/genwqe/card_dev.c
+@@ -52,7 +52,7 @@ static void genwqe_add_file(struct genwqe_dev *cd, struct genwqe_file *cfile)
+ {
+ unsigned long flags;
+
+- cfile->owner = current;
++ cfile->opener = get_pid(task_tgid(current));
+ spin_lock_irqsave(&cd->file_lock, flags);
+ list_add(&cfile->list, &cd->file_list);
+ spin_unlock_irqrestore(&cd->file_lock, flags);
+@@ -65,6 +65,7 @@ static int genwqe_del_file(struct genwqe_dev *cd, struct genwqe_file *cfile)
+ spin_lock_irqsave(&cd->file_lock, flags);
+ list_del(&cfile->list);
+ spin_unlock_irqrestore(&cd->file_lock, flags);
++ put_pid(cfile->opener);
+
+ return 0;
+ }
+@@ -275,7 +276,7 @@ static int genwqe_kill_fasync(struct genwqe_dev *cd, int sig)
+ return files;
+ }
+
+-static int genwqe_force_sig(struct genwqe_dev *cd, int sig)
++static int genwqe_terminate(struct genwqe_dev *cd)
+ {
+ unsigned int files = 0;
+ unsigned long flags;
+@@ -283,7 +284,7 @@ static int genwqe_force_sig(struct genwqe_dev *cd, int sig)
+
+ spin_lock_irqsave(&cd->file_lock, flags);
+ list_for_each_entry(cfile, &cd->file_list, list) {
+- force_sig(sig, cfile->owner);
++ kill_pid(cfile->opener, SIGKILL, 1);
+ files++;
+ }
+ spin_unlock_irqrestore(&cd->file_lock, flags);
+@@ -1356,7 +1357,7 @@ static int genwqe_inform_and_stop_processes(struct genwqe_dev *cd)
+ dev_warn(&pci_dev->dev,
+ "[%s] send SIGKILL and wait ...\n", __func__);
+
+- rc = genwqe_force_sig(cd, SIGKILL); /* force terminate */
++ rc = genwqe_terminate(cd);
+ if (rc) {
+ /* Give kill_timout more seconds to end processes */
+ for (i = 0; (i < genwqe_kill_timeout) &&
+diff --git a/drivers/misc/vmw_vmci/vmci_driver.c b/drivers/misc/vmw_vmci/vmci_driver.c
+index d7eaf1eb11e7..003bfba40758 100644
+--- a/drivers/misc/vmw_vmci/vmci_driver.c
++++ b/drivers/misc/vmw_vmci/vmci_driver.c
+@@ -113,5 +113,5 @@ module_exit(vmci_drv_exit);
+
+ MODULE_AUTHOR("VMware, Inc.");
+ MODULE_DESCRIPTION("VMware Virtual Machine Communication Interface.");
+-MODULE_VERSION("1.1.5.0-k");
++MODULE_VERSION("1.1.6.0-k");
+ MODULE_LICENSE("GPL v2");
+diff --git a/drivers/misc/vmw_vmci/vmci_resource.c b/drivers/misc/vmw_vmci/vmci_resource.c
+index 1ab6e8737a5f..da1ee2e1ba99 100644
+--- a/drivers/misc/vmw_vmci/vmci_resource.c
++++ b/drivers/misc/vmw_vmci/vmci_resource.c
+@@ -57,7 +57,8 @@ static struct vmci_resource *vmci_resource_lookup(struct vmci_handle handle,
+
+ if (r->type == type &&
+ rid == handle.resource &&
+- (cid == handle.context || cid == VMCI_INVALID_ID)) {
++ (cid == handle.context || cid == VMCI_INVALID_ID ||
++ handle.context == VMCI_INVALID_ID)) {
+ resource = r;
+ break;
+ }
+diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c
+index 14273ca00641..44a809a20d3a 100644
+--- a/drivers/mmc/host/sdhci-pci-o2micro.c
++++ b/drivers/mmc/host/sdhci-pci-o2micro.c
+@@ -334,6 +334,9 @@ int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
+ pci_write_config_byte(chip->pdev, O2_SD_LOCK_WP, scratch);
+ break;
+ case PCI_DEVICE_ID_O2_SEABIRD0:
++ if (chip->pdev->revision == 0x01)
++ chip->quirks |= SDHCI_QUIRK_DELAY_AFTER_POWER;
++ /* fall through */
+ case PCI_DEVICE_ID_O2_SEABIRD1:
+ /* UnLock WP */
+ ret = pci_read_config_byte(chip->pdev,
+diff --git a/drivers/mtd/nand/atmel/nand-controller.c b/drivers/mtd/nand/atmel/nand-controller.c
+index 148744418e82..32a2f947a454 100644
+--- a/drivers/mtd/nand/atmel/nand-controller.c
++++ b/drivers/mtd/nand/atmel/nand-controller.c
+@@ -2079,6 +2079,10 @@ atmel_hsmc_nand_controller_legacy_init(struct atmel_hsmc_nand_controller *nc)
+ nand_np = dev->of_node;
+ nfc_np = of_find_compatible_node(dev->of_node, NULL,
+ "atmel,sama5d3-nfc");
++ if (!nfc_np) {
++ dev_err(dev, "Could not find device node for sama5d3-nfc\n");
++ return -ENODEV;
++ }
+
+ nc->clk = of_clk_get(nfc_np, 0);
+ if (IS_ERR(nc->clk)) {
+diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c b/drivers/mtd/spi-nor/fsl-quadspi.c
+index f17d22435bfc..62f5763482b3 100644
+--- a/drivers/mtd/spi-nor/fsl-quadspi.c
++++ b/drivers/mtd/spi-nor/fsl-quadspi.c
+@@ -468,6 +468,7 @@ static int fsl_qspi_get_seqid(struct fsl_qspi *q, u8 cmd)
+ {
+ switch (cmd) {
+ case SPINOR_OP_READ_1_1_4:
++ case SPINOR_OP_READ_1_1_4_4B:
+ return SEQID_READ;
+ case SPINOR_OP_WREN:
+ return SEQID_WREN;
+diff --git a/drivers/net/dsa/mv88e6xxx/phy.c b/drivers/net/dsa/mv88e6xxx/phy.c
+index 436668bd50dc..e53ce9610fee 100644
+--- a/drivers/net/dsa/mv88e6xxx/phy.c
++++ b/drivers/net/dsa/mv88e6xxx/phy.c
+@@ -110,6 +110,9 @@ int mv88e6xxx_phy_page_write(struct mv88e6xxx_chip *chip, int phy,
+ err = mv88e6xxx_phy_page_get(chip, phy, page);
+ if (!err) {
+ err = mv88e6xxx_phy_write(chip, phy, MV88E6XXX_PHY_PAGE, page);
++ if (!err)
++ err = mv88e6xxx_phy_write(chip, phy, reg, val);
++
+ mv88e6xxx_phy_page_put(chip, phy);
+ }
+
+diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+index 90be4385bf36..e238f6e85ab6 100644
+--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
++++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+@@ -3427,6 +3427,10 @@ static void ixgbevf_tx_csum(struct ixgbevf_ring *tx_ring,
+ skb_checksum_help(skb);
+ goto no_csum;
+ }
++
++ if (first->protocol == htons(ETH_P_IP))
++ type_tucmd |= IXGBE_ADVTXD_TUCMD_IPV4;
++
+ /* update TX checksum flag */
+ first->tx_flags |= IXGBE_TX_FLAGS_CSUM;
+ vlan_macip_lens = skb_checksum_start_offset(skb) -
+diff --git a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
+index 6c9f29c2e975..90a6c4fbc113 100644
+--- a/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
++++ b/drivers/net/ethernet/netronome/nfp/nfp_devlink.c
+@@ -96,6 +96,7 @@ nfp_devlink_port_split(struct devlink *devlink, unsigned int port_index,
+ {
+ struct nfp_pf *pf = devlink_priv(devlink);
+ struct nfp_eth_table_port eth_port;
++ unsigned int lanes;
+ int ret;
+
+ if (count < 2)
+@@ -114,8 +115,12 @@ nfp_devlink_port_split(struct devlink *devlink, unsigned int port_index,
+ goto out;
+ }
+
+- ret = nfp_devlink_set_lanes(pf, eth_port.index,
+- eth_port.port_lanes / count);
++ /* Special case the 100G CXP -> 2x40G split */
++ lanes = eth_port.port_lanes / count;
++ if (eth_port.lanes == 10 && count == 2)
++ lanes = 8 / count;
++
++ ret = nfp_devlink_set_lanes(pf, eth_port.index, lanes);
+ out:
+ mutex_unlock(&pf->lock);
+
+@@ -127,6 +132,7 @@ nfp_devlink_port_unsplit(struct devlink *devlink, unsigned int port_index)
+ {
+ struct nfp_pf *pf = devlink_priv(devlink);
+ struct nfp_eth_table_port eth_port;
++ unsigned int lanes;
+ int ret;
+
+ mutex_lock(&pf->lock);
+@@ -142,7 +148,12 @@ nfp_devlink_port_unsplit(struct devlink *devlink, unsigned int port_index)
+ goto out;
+ }
+
+- ret = nfp_devlink_set_lanes(pf, eth_port.index, eth_port.port_lanes);
++ /* Special case the 100G CXP -> 2x40G unsplit */
++ lanes = eth_port.port_lanes;
++ if (eth_port.port_lanes == 8)
++ lanes = 10;
++
++ ret = nfp_devlink_set_lanes(pf, eth_port.index, lanes);
+ out:
+ mutex_unlock(&pf->lock);
+
+diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
+index 2991179c2fd0..080d00520362 100644
+--- a/drivers/net/ethernet/qlogic/qla3xxx.c
++++ b/drivers/net/ethernet/qlogic/qla3xxx.c
+@@ -380,8 +380,6 @@ static void fm93c56a_select(struct ql3_adapter *qdev)
+
+ qdev->eeprom_cmd_data = AUBURN_EEPROM_CS_1;
+ ql_write_nvram_reg(qdev, spir, ISP_NVRAM_MASK | qdev->eeprom_cmd_data);
+- ql_write_nvram_reg(qdev, spir,
+- ((ISP_NVRAM_MASK << 16) | qdev->eeprom_cmd_data));
+ }
+
+ /*
+diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
+index 79f28b9186c6..70ce7da26d1f 100644
+--- a/drivers/net/phy/phylink.c
++++ b/drivers/net/phy/phylink.c
+@@ -747,6 +747,9 @@ void phylink_start(struct phylink *pl)
+ phylink_an_mode_str(pl->link_an_mode),
+ phy_modes(pl->link_config.interface));
+
++ /* Always set the carrier off */
++ netif_carrier_off(pl->netdev);
++
+ /* Apply the link configuration to the MAC when starting. This allows
+ * a fixed-link to start with the correct parameters, and also
+ * ensures that we set the appropriate advertisment for Serdes links.
+diff --git a/drivers/net/tun.c b/drivers/net/tun.c
+index e0baea2dfd3c..7f8c7e3aa356 100644
+--- a/drivers/net/tun.c
++++ b/drivers/net/tun.c
+@@ -1814,6 +1814,8 @@ static void tun_setup(struct net_device *dev)
+ static int tun_validate(struct nlattr *tb[], struct nlattr *data[],
+ struct netlink_ext_ack *extack)
+ {
++ if (!data)
++ return 0;
+ return -EINVAL;
+ }
+
+diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
+index 2ab5311659ea..8cb47858eb00 100644
+--- a/drivers/net/wireless/ath/ath10k/wmi.c
++++ b/drivers/net/wireless/ath/ath10k/wmi.c
+@@ -1852,6 +1852,12 @@ int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id)
+ if (ret)
+ dev_kfree_skb_any(skb);
+
++ if (ret == -EAGAIN) {
++ ath10k_warn(ar, "wmi command %d timeout, restarting hardware\n",
++ cmd_id);
++ queue_work(ar->workqueue, &ar->restart_work);
++ }
++
+ return ret;
+ }
+
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c b/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c
+index d8b79cb72b58..e7584b842dce 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmutil/d11.c
+@@ -77,6 +77,8 @@ static u16 d11ac_bw(enum brcmu_chan_bw bw)
+ return BRCMU_CHSPEC_D11AC_BW_40;
+ case BRCMU_CHAN_BW_80:
+ return BRCMU_CHSPEC_D11AC_BW_80;
++ case BRCMU_CHAN_BW_160:
++ return BRCMU_CHSPEC_D11AC_BW_160;
+ default:
+ WARN_ON(1);
+ }
+@@ -190,8 +192,38 @@ static void brcmu_d11ac_decchspec(struct brcmu_chan *ch)
+ break;
+ }
+ break;
+- case BRCMU_CHSPEC_D11AC_BW_8080:
+ case BRCMU_CHSPEC_D11AC_BW_160:
++ switch (ch->sb) {
++ case BRCMU_CHAN_SB_LLL:
++ ch->control_ch_num -= CH_70MHZ_APART;
++ break;
++ case BRCMU_CHAN_SB_LLU:
++ ch->control_ch_num -= CH_50MHZ_APART;
++ break;
++ case BRCMU_CHAN_SB_LUL:
++ ch->control_ch_num -= CH_30MHZ_APART;
++ break;
++ case BRCMU_CHAN_SB_LUU:
++ ch->control_ch_num -= CH_10MHZ_APART;
++ break;
++ case BRCMU_CHAN_SB_ULL:
++ ch->control_ch_num += CH_10MHZ_APART;
++ break;
++ case BRCMU_CHAN_SB_ULU:
++ ch->control_ch_num += CH_30MHZ_APART;
++ break;
++ case BRCMU_CHAN_SB_UUL:
++ ch->control_ch_num += CH_50MHZ_APART;
++ break;
++ case BRCMU_CHAN_SB_UUU:
++ ch->control_ch_num += CH_70MHZ_APART;
++ break;
++ default:
++ WARN_ON_ONCE(1);
++ break;
++ }
++ break;
++ case BRCMU_CHSPEC_D11AC_BW_8080:
+ default:
+ WARN_ON_ONCE(1);
+ break;
+diff --git a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
+index 7b9a77981df1..75b2a0438cfa 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
++++ b/drivers/net/wireless/broadcom/brcm80211/include/brcmu_wifi.h
+@@ -29,6 +29,8 @@
+ #define CH_UPPER_SB 0x01
+ #define CH_LOWER_SB 0x02
+ #define CH_EWA_VALID 0x04
++#define CH_70MHZ_APART 14
++#define CH_50MHZ_APART 10
+ #define CH_30MHZ_APART 6
+ #define CH_20MHZ_APART 4
+ #define CH_10MHZ_APART 2
+diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+index db1fab9aa1c6..80a653950e86 100644
+--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
++++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+@@ -1225,12 +1225,15 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
+ iwl_mvm_del_aux_sta(mvm);
+
+ /*
+- * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
+- * won't be called in this case).
++ * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the
++ * hw (as restart_complete() won't be called in this case) and mac80211
++ * won't execute the restart.
+ * But make sure to cleanup interfaces that have gone down before/during
+ * HW restart was requested.
+ */
+- if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
++ if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) ||
++ test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
++ &mvm->status))
+ ieee80211_iterate_interfaces(mvm->hw, 0,
+ iwl_mvm_cleanup_iterator, mvm);
+
+diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+index 386fdee23eb0..bd48cd0eb395 100644
+--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
++++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+@@ -1226,7 +1226,11 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ !(info->flags & IEEE80211_TX_STAT_AMPDU))
+ return;
+
+- rs_rate_from_ucode_rate(tx_resp_hwrate, info->band, &tx_resp_rate);
++ if (rs_rate_from_ucode_rate(tx_resp_hwrate, info->band,
++ &tx_resp_rate)) {
++ WARN_ON_ONCE(1);
++ return;
++ }
+
+ #ifdef CONFIG_MAC80211_DEBUGFS
+ /* Disable last tx check if we are debugging with fixed rate but
+@@ -1277,7 +1281,10 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ */
+ table = &lq_sta->lq;
+ lq_hwrate = le32_to_cpu(table->rs_table[0]);
+- rs_rate_from_ucode_rate(lq_hwrate, info->band, &lq_rate);
++ if (rs_rate_from_ucode_rate(lq_hwrate, info->band, &lq_rate)) {
++ WARN_ON_ONCE(1);
++ return;
++ }
+
+ /* Here we actually compare this rate to the latest LQ command */
+ if (lq_color != LQ_FLAG_COLOR_GET(table->flags)) {
+@@ -1379,8 +1386,12 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ /* Collect data for each rate used during failed TX attempts */
+ for (i = 0; i <= retries; ++i) {
+ lq_hwrate = le32_to_cpu(table->rs_table[i]);
+- rs_rate_from_ucode_rate(lq_hwrate, info->band,
+- &lq_rate);
++ if (rs_rate_from_ucode_rate(lq_hwrate, info->band,
++ &lq_rate)) {
++ WARN_ON_ONCE(1);
++ return;
++ }
++
+ /*
+ * Only collect stats if retried rate is in the same RS
+ * table as active/search.
+@@ -3244,7 +3255,10 @@ static void rs_build_rates_table_from_fixed(struct iwl_mvm *mvm,
+ for (i = 0; i < num_rates; i++)
+ lq_cmd->rs_table[i] = ucode_rate_le32;
+
+- rs_rate_from_ucode_rate(ucode_rate, band, &rate);
++ if (rs_rate_from_ucode_rate(ucode_rate, band, &rate)) {
++ WARN_ON_ONCE(1);
++ return;
++ }
+
+ if (is_mimo(&rate))
+ lq_cmd->mimo_delim = num_rates - 1;
+diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+index 6c014c273922..62a6e293cf12 100644
+--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
++++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+@@ -1345,6 +1345,7 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
+ while (!skb_queue_empty(&skbs)) {
+ struct sk_buff *skb = __skb_dequeue(&skbs);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
++ struct ieee80211_hdr *hdr = (void *)skb->data;
+ bool flushed = false;
+
+ skb_freed++;
+@@ -1389,11 +1390,11 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
+ info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
+ info->flags &= ~IEEE80211_TX_CTL_AMPDU;
+
+- /* W/A FW bug: seq_ctl is wrong when the status isn't success */
+- if (status != TX_STATUS_SUCCESS) {
+- struct ieee80211_hdr *hdr = (void *)skb->data;
++ /* W/A FW bug: seq_ctl is wrong upon failure / BAR frame */
++ if (ieee80211_is_back_req(hdr->frame_control))
++ seq_ctl = 0;
++ else if (status != TX_STATUS_SUCCESS)
+ seq_ctl = le16_to_cpu(hdr->seq_ctrl);
+- }
+
+ if (unlikely(!seq_ctl)) {
+ struct ieee80211_hdr *hdr = (void *)skb->data;
+diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+index ca99c3cf41c2..5a15362ef671 100644
+--- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
++++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+@@ -1049,6 +1049,14 @@ void iwl_pcie_rx_free(struct iwl_trans *trans)
+ kfree(trans_pcie->rxq);
+ }
+
++static void iwl_pcie_rx_move_to_allocator(struct iwl_rxq *rxq,
++ struct iwl_rb_allocator *rba)
++{
++ spin_lock(&rba->lock);
++ list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty);
++ spin_unlock(&rba->lock);
++}
++
+ /*
+ * iwl_pcie_rx_reuse_rbd - Recycle used RBDs
+ *
+@@ -1080,9 +1088,7 @@ static void iwl_pcie_rx_reuse_rbd(struct iwl_trans *trans,
+ if ((rxq->used_count % RX_CLAIM_REQ_ALLOC) == RX_POST_REQ_ALLOC) {
+ /* Move the 2 RBDs to the allocator ownership.
+ Allocator has another 6 from pool for the request completion*/
+- spin_lock(&rba->lock);
+- list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty);
+- spin_unlock(&rba->lock);
++ iwl_pcie_rx_move_to_allocator(rxq, rba);
+
+ atomic_inc(&rba->req_pending);
+ queue_work(rba->alloc_wq, &rba->rx_alloc);
+@@ -1260,10 +1266,18 @@ restart:
+ IWL_DEBUG_RX(trans, "Q %d: HW = SW = %d\n", rxq->id, r);
+
+ while (i != r) {
++ struct iwl_rb_allocator *rba = &trans_pcie->rba;
+ struct iwl_rx_mem_buffer *rxb;
+-
+- if (unlikely(rxq->used_count == rxq->queue_size / 2))
++ /* number of RBDs still waiting for page allocation */
++ u32 rb_pending_alloc =
++ atomic_read(&trans_pcie->rba.req_pending) *
++ RX_CLAIM_REQ_ALLOC;
++
++ if (unlikely(rb_pending_alloc >= rxq->queue_size / 2 &&
++ !emergency)) {
++ iwl_pcie_rx_move_to_allocator(rxq, rba);
+ emergency = true;
++ }
+
+ if (trans->cfg->mq_rx_supported) {
+ /*
+@@ -1306,17 +1320,13 @@ restart:
+ iwl_pcie_rx_allocator_get(trans, rxq);
+
+ if (rxq->used_count % RX_CLAIM_REQ_ALLOC == 0 && !emergency) {
+- struct iwl_rb_allocator *rba = &trans_pcie->rba;
+-
+ /* Add the remaining empty RBDs for allocator use */
+- spin_lock(&rba->lock);
+- list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty);
+- spin_unlock(&rba->lock);
++ iwl_pcie_rx_move_to_allocator(rxq, rba);
+ } else if (emergency) {
+ count++;
+ if (count == 8) {
+ count = 0;
+- if (rxq->used_count < rxq->queue_size / 3)
++ if (rb_pending_alloc < rxq->queue_size / 3)
+ emergency = false;
+
+ rxq->read = i;
+diff --git a/drivers/net/wireless/marvell/libertas/if_usb.c b/drivers/net/wireless/marvell/libertas/if_usb.c
+index 16e54c757dd0..e4ae2b5a71c2 100644
+--- a/drivers/net/wireless/marvell/libertas/if_usb.c
++++ b/drivers/net/wireless/marvell/libertas/if_usb.c
+@@ -456,8 +456,6 @@ static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
+ MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn,
+ cardp);
+
+- cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
+-
+ lbs_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n", cardp->rx_urb);
+ if ((ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC))) {
+ lbs_deb_usbd(&cardp->udev->dev, "Submit Rx URB failed: %d\n", ret);
+diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
+index fb5ab5812a22..a6746a1f20ae 100644
+--- a/drivers/nvdimm/bus.c
++++ b/drivers/nvdimm/bus.c
+@@ -484,6 +484,8 @@ static void nd_async_device_register(void *d, async_cookie_t cookie)
+ put_device(dev);
+ }
+ put_device(dev);
++ if (dev->parent)
++ put_device(dev->parent);
+ }
+
+ static void nd_async_device_unregister(void *d, async_cookie_t cookie)
+@@ -503,6 +505,8 @@ void __nd_device_register(struct device *dev)
+ if (!dev)
+ return;
+ dev->bus = &nvdimm_bus_type;
++ if (dev->parent)
++ get_device(dev->parent);
+ get_device(dev);
+ async_schedule_domain(nd_async_device_register, dev,
+ &nd_async_domain);
+diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
+index abaf38c61220..050deb56ee62 100644
+--- a/drivers/nvdimm/region_devs.c
++++ b/drivers/nvdimm/region_devs.c
+@@ -513,10 +513,17 @@ static ssize_t region_badblocks_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+ {
+ struct nd_region *nd_region = to_nd_region(dev);
++ ssize_t rc;
+
+- return badblocks_show(&nd_region->bb, buf, 0);
+-}
++ device_lock(dev);
++ if (dev->driver)
++ rc = badblocks_show(&nd_region->bb, buf, 0);
++ else
++ rc = -ENXIO;
++ device_unlock(dev);
+
++ return rc;
++}
+ static DEVICE_ATTR(badblocks, 0444, region_badblocks_show, NULL);
+
+ static ssize_t resource_show(struct device *dev,
+diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
+index 362607f727ee..06eae132aff7 100644
+--- a/drivers/pci/dwc/pci-dra7xx.c
++++ b/drivers/pci/dwc/pci-dra7xx.c
+@@ -546,7 +546,7 @@ static const struct of_device_id of_dra7xx_pcie_match[] = {
+ };
+
+ /*
+- * dra7xx_pcie_ep_unaligned_memaccess: workaround for AM572x/AM571x Errata i870
++ * dra7xx_pcie_unaligned_memaccess: workaround for AM572x/AM571x Errata i870
+ * @dra7xx: the dra7xx device where the workaround should be applied
+ *
+ * Access to the PCIe slave port that are not 32-bit aligned will result
+@@ -556,7 +556,7 @@ static const struct of_device_id of_dra7xx_pcie_match[] = {
+ *
+ * To avoid this issue set PCIE_SS1_AXI2OCP_LEGACY_MODE_ENABLE to 1.
+ */
+-static int dra7xx_pcie_ep_unaligned_memaccess(struct device *dev)
++static int dra7xx_pcie_unaligned_memaccess(struct device *dev)
+ {
+ int ret;
+ struct device_node *np = dev->of_node;
+@@ -707,6 +707,11 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
+ case DW_PCIE_RC_TYPE:
+ dra7xx_pcie_writel(dra7xx, PCIECTRL_TI_CONF_DEVICE_TYPE,
+ DEVICE_TYPE_RC);
++
++ ret = dra7xx_pcie_unaligned_memaccess(dev);
++ if (ret)
++ dev_err(dev, "WA for Errata i870 not applied\n");
++
+ ret = dra7xx_add_pcie_port(dra7xx, pdev);
+ if (ret < 0)
+ goto err_gpio;
+@@ -715,7 +720,7 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
+ dra7xx_pcie_writel(dra7xx, PCIECTRL_TI_CONF_DEVICE_TYPE,
+ DEVICE_TYPE_EP);
+
+- ret = dra7xx_pcie_ep_unaligned_memaccess(dev);
++ ret = dra7xx_pcie_unaligned_memaccess(dev);
+ if (ret)
+ goto err_gpio;
+
+diff --git a/drivers/pci/host/pcie-mediatek.c b/drivers/pci/host/pcie-mediatek.c
+index db93efdf1d63..c896bb9ef968 100644
+--- a/drivers/pci/host/pcie-mediatek.c
++++ b/drivers/pci/host/pcie-mediatek.c
+@@ -333,6 +333,17 @@ static struct mtk_pcie_port *mtk_pcie_find_port(struct pci_bus *bus,
+ {
+ struct mtk_pcie *pcie = bus->sysdata;
+ struct mtk_pcie_port *port;
++ struct pci_dev *dev = NULL;
++
++ /*
++ * Walk the bus hierarchy to get the devfn value
++ * of the port in the root bus.
++ */
++ while (bus && bus->number) {
++ dev = bus->self;
++ bus = dev->bus;
++ devfn = dev->devfn;
++ }
+
+ list_for_each_entry(port, &pcie->ports, list)
+ if (port->slot == PCI_SLOT(devfn))
+diff --git a/drivers/pci/host/vmd.c b/drivers/pci/host/vmd.c
+index 509893bc3e63..2537b022f42d 100644
+--- a/drivers/pci/host/vmd.c
++++ b/drivers/pci/host/vmd.c
+@@ -183,9 +183,20 @@ static struct vmd_irq_list *vmd_next_irq(struct vmd_dev *vmd, struct msi_desc *d
+ int i, best = 1;
+ unsigned long flags;
+
+- if (pci_is_bridge(msi_desc_to_pci_dev(desc)) || vmd->msix_count == 1)
++ if (vmd->msix_count == 1)
+ return &vmd->irqs[0];
+
++ /*
++ * White list for fast-interrupt handlers. All others will share the
++ * "slow" interrupt vector.
++ */
++ switch (msi_desc_to_pci_dev(desc)->class) {
++ case PCI_CLASS_STORAGE_EXPRESS:
++ break;
++ default:
++ return &vmd->irqs[0];
++ }
++
+ raw_spin_lock_irqsave(&list_lock, flags);
+ for (i = 1; i < vmd->msix_count; i++)
+ if (vmd->irqs[i].count < vmd->irqs[best].count)
+diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
+index 496ed9130600..536e9a5cd2b1 100644
+--- a/drivers/pci/msi.c
++++ b/drivers/pci/msi.c
+@@ -958,7 +958,6 @@ static int __pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries,
+ }
+ }
+ }
+- WARN_ON(!!dev->msix_enabled);
+
+ /* Check whether driver already requested for MSI irq */
+ if (dev->msi_enabled) {
+@@ -1028,8 +1027,6 @@ static int __pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec,
+ if (!pci_msi_supported(dev, minvec))
+ return -EINVAL;
+
+- WARN_ON(!!dev->msi_enabled);
+-
+ /* Check whether driver already requested MSI-X irqs */
+ if (dev->msix_enabled) {
+ dev_info(&dev->dev,
+@@ -1040,6 +1037,9 @@ static int __pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec,
+ if (maxvec < minvec)
+ return -ERANGE;
+
++ if (WARN_ON_ONCE(dev->msi_enabled))
++ return -EINVAL;
++
+ nvec = pci_msi_vec_count(dev);
+ if (nvec < 0)
+ return nvec;
+@@ -1088,6 +1088,9 @@ static int __pci_enable_msix_range(struct pci_dev *dev,
+ if (maxvec < minvec)
+ return -ERANGE;
+
++ if (WARN_ON_ONCE(dev->msix_enabled))
++ return -EINVAL;
++
+ for (;;) {
+ if (affd) {
+ nvec = irq_calc_affinity_vectors(minvec, nvec, affd);
+diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
+index 4708eb9df71b..a3cedf8de863 100644
+--- a/drivers/pci/pci-acpi.c
++++ b/drivers/pci/pci-acpi.c
+@@ -738,19 +738,33 @@ static void pci_acpi_setup(struct device *dev)
+ return;
+
+ device_set_wakeup_capable(dev, true);
++ /*
++ * For bridges that can do D3 we enable wake automatically (as
++ * we do for the power management itself in that case). The
++ * reason is that the bridge may have additional methods such as
++ * _DSW that need to be called.
++ */
++ if (pci_dev->bridge_d3)
++ device_wakeup_enable(dev);
++
+ acpi_pci_wakeup(pci_dev, false);
+ }
+
+ static void pci_acpi_cleanup(struct device *dev)
+ {
+ struct acpi_device *adev = ACPI_COMPANION(dev);
++ struct pci_dev *pci_dev = to_pci_dev(dev);
+
+ if (!adev)
+ return;
+
+ pci_acpi_remove_pm_notifier(adev);
+- if (adev->wakeup.flags.valid)
++ if (adev->wakeup.flags.valid) {
++ if (pci_dev->bridge_d3)
++ device_wakeup_disable(dev);
++
+ device_set_wakeup_capable(dev, false);
++ }
+ }
+
+ static bool pci_acpi_bus_match(struct device *dev)
+diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
+index 633e55c57b13..c0e1985e4c75 100644
+--- a/drivers/pci/pcie/aspm.c
++++ b/drivers/pci/pcie/aspm.c
+@@ -937,7 +937,7 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev)
+ * All PCIe functions are in one slot, remove one function will remove
+ * the whole slot, so just wait until we are the last function left.
+ */
+- if (!list_is_last(&pdev->bus_list, &parent->subordinate->devices))
++ if (!list_empty(&parent->subordinate->devices))
+ goto out;
+
+ link = parent->link_state;
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 35c9b2f4b293..d442afa195ab 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -3163,7 +3163,11 @@ static void disable_igfx_irq(struct pci_dev *dev)
+
+ pci_iounmap(dev, regs);
+ }
++DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0042, disable_igfx_irq);
++DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0046, disable_igfx_irq);
++DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x004a, disable_igfx_irq);
+ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq);
++DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0106, disable_igfx_irq);
+ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq);
+ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0152, disable_igfx_irq);
+
+diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
+index 2fa0dbde36b7..0911217467bc 100644
+--- a/drivers/pci/remove.c
++++ b/drivers/pci/remove.c
+@@ -24,9 +24,6 @@ static void pci_stop_dev(struct pci_dev *dev)
+ pci_remove_sysfs_dev_files(dev);
+ dev->is_added = 0;
+ }
+-
+- if (dev->bus->self)
+- pcie_aspm_exit_link_state(dev);
+ }
+
+ static void pci_destroy_dev(struct pci_dev *dev)
+@@ -40,6 +37,7 @@ static void pci_destroy_dev(struct pci_dev *dev)
+ list_del(&dev->bus_list);
+ up_write(&pci_bus_sem);
+
++ pcie_aspm_exit_link_state(dev);
+ pci_bridge_d3_update(dev);
+ pci_free_resources(dev);
+ put_device(&dev->dev);
+diff --git a/drivers/pcmcia/ricoh.h b/drivers/pcmcia/ricoh.h
+index 01098c841f87..8ac7b138c094 100644
+--- a/drivers/pcmcia/ricoh.h
++++ b/drivers/pcmcia/ricoh.h
+@@ -119,6 +119,10 @@
+ #define RL5C4XX_MISC_CONTROL 0x2F /* 8 bit */
+ #define RL5C4XX_ZV_ENABLE 0x08
+
++/* Misc Control 3 Register */
++#define RL5C4XX_MISC3 0x00A2 /* 16 bit */
++#define RL5C47X_MISC3_CB_CLKRUN_DIS BIT(1)
++
+ #ifdef __YENTA_H
+
+ #define rl_misc(socket) ((socket)->private[0])
+@@ -156,6 +160,35 @@ static void ricoh_set_zv(struct yenta_socket *socket)
+ }
+ }
+
++static void ricoh_set_clkrun(struct yenta_socket *socket, bool quiet)
++{
++ u16 misc3;
++
++ /*
++ * RL5C475II likely has this setting, too, however no datasheet
++ * is publicly available for this chip
++ */
++ if (socket->dev->device != PCI_DEVICE_ID_RICOH_RL5C476 &&
++ socket->dev->device != PCI_DEVICE_ID_RICOH_RL5C478)
++ return;
++
++ if (socket->dev->revision < 0x80)
++ return;
++
++ misc3 = config_readw(socket, RL5C4XX_MISC3);
++ if (misc3 & RL5C47X_MISC3_CB_CLKRUN_DIS) {
++ if (!quiet)
++ dev_dbg(&socket->dev->dev,
++ "CLKRUN feature already disabled\n");
++ } else if (disable_clkrun) {
++ if (!quiet)
++ dev_info(&socket->dev->dev,
++ "Disabling CLKRUN feature\n");
++ misc3 |= RL5C47X_MISC3_CB_CLKRUN_DIS;
++ config_writew(socket, RL5C4XX_MISC3, misc3);
++ }
++}
++
+ static void ricoh_save_state(struct yenta_socket *socket)
+ {
+ rl_misc(socket) = config_readw(socket, RL5C4XX_MISC);
+@@ -172,6 +205,7 @@ static void ricoh_restore_state(struct yenta_socket *socket)
+ config_writew(socket, RL5C4XX_16BIT_IO_0, rl_io(socket));
+ config_writew(socket, RL5C4XX_16BIT_MEM_0, rl_mem(socket));
+ config_writew(socket, RL5C4XX_CONFIG, rl_config(socket));
++ ricoh_set_clkrun(socket, true);
+ }
+
+
+@@ -197,6 +231,7 @@ static int ricoh_override(struct yenta_socket *socket)
+ config_writew(socket, RL5C4XX_CONFIG, config);
+
+ ricoh_set_zv(socket);
++ ricoh_set_clkrun(socket, false);
+
+ return 0;
+ }
+diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
+index 5d6d9b1549bc..5034422a1d96 100644
+--- a/drivers/pcmcia/yenta_socket.c
++++ b/drivers/pcmcia/yenta_socket.c
+@@ -26,7 +26,8 @@
+
+ static bool disable_clkrun;
+ module_param(disable_clkrun, bool, 0444);
+-MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");
++MODULE_PARM_DESC(disable_clkrun,
++ "If PC card doesn't function properly, please try this option (TI and Ricoh bridges only)");
+
+ static bool isa_probe = 1;
+ module_param(isa_probe, bool, 0444);
+diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c b/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
+index 6556dbeae65e..ac251c62bc66 100644
+--- a/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
++++ b/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
+@@ -319,6 +319,8 @@ static int pmic_mpp_set_mux(struct pinctrl_dev *pctldev, unsigned function,
+ pad->function = function;
+
+ ret = pmic_mpp_write_mode_ctl(state, pad);
++ if (ret < 0)
++ return ret;
+
+ val = pad->is_enabled << PMIC_MPP_REG_MASTER_EN_SHIFT;
+
+@@ -343,13 +345,12 @@ static int pmic_mpp_config_get(struct pinctrl_dev *pctldev,
+
+ switch (param) {
+ case PIN_CONFIG_BIAS_DISABLE:
+- arg = pad->pullup == PMIC_MPP_PULL_UP_OPEN;
++ if (pad->pullup != PMIC_MPP_PULL_UP_OPEN)
++ return -EINVAL;
++ arg = 1;
+ break;
+ case PIN_CONFIG_BIAS_PULL_UP:
+ switch (pad->pullup) {
+- case PMIC_MPP_PULL_UP_OPEN:
+- arg = 0;
+- break;
+ case PMIC_MPP_PULL_UP_0P6KOHM:
+ arg = 600;
+ break;
+@@ -364,13 +365,17 @@ static int pmic_mpp_config_get(struct pinctrl_dev *pctldev,
+ }
+ break;
+ case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
+- arg = !pad->is_enabled;
++ if (pad->is_enabled)
++ return -EINVAL;
++ arg = 1;
+ break;
+ case PIN_CONFIG_POWER_SOURCE:
+ arg = pad->power_source;
+ break;
+ case PIN_CONFIG_INPUT_ENABLE:
+- arg = pad->input_enabled;
++ if (!pad->input_enabled)
++ return -EINVAL;
++ arg = 1;
+ break;
+ case PIN_CONFIG_OUTPUT:
+ arg = pad->out_value;
+@@ -382,7 +387,9 @@ static int pmic_mpp_config_get(struct pinctrl_dev *pctldev,
+ arg = pad->amux_input;
+ break;
+ case PMIC_MPP_CONF_PAIRED:
+- arg = pad->paired;
++ if (!pad->paired)
++ return -EINVAL;
++ arg = 1;
+ break;
+ case PIN_CONFIG_DRIVE_STRENGTH:
+ arg = pad->drive_strength;
+@@ -455,7 +462,7 @@ static int pmic_mpp_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
+ pad->dtest = arg;
+ break;
+ case PIN_CONFIG_DRIVE_STRENGTH:
+- arg = pad->drive_strength;
++ pad->drive_strength = arg;
+ break;
+ case PMIC_MPP_CONF_AMUX_ROUTE:
+ if (arg >= PMIC_MPP_AMUX_ROUTE_ABUS4)
+@@ -502,6 +509,10 @@ static int pmic_mpp_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
+ if (ret < 0)
+ return ret;
+
++ ret = pmic_mpp_write(state, pad, PMIC_MPP_REG_SINK_CTL, pad->drive_strength);
++ if (ret < 0)
++ return ret;
++
+ val = pad->is_enabled << PMIC_MPP_REG_MASTER_EN_SHIFT;
+
+ return pmic_mpp_write(state, pad, PMIC_MPP_REG_EN_CTL, val);
+diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
+index f53e32a9d8fc..0e153bae322e 100644
+--- a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
++++ b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
+@@ -260,22 +260,32 @@ static int pm8xxx_pin_config_get(struct pinctrl_dev *pctldev,
+
+ switch (param) {
+ case PIN_CONFIG_BIAS_DISABLE:
+- arg = pin->bias == PM8XXX_GPIO_BIAS_NP;
++ if (pin->bias != PM8XXX_GPIO_BIAS_NP)
++ return -EINVAL;
++ arg = 1;
+ break;
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+- arg = pin->bias == PM8XXX_GPIO_BIAS_PD;
++ if (pin->bias != PM8XXX_GPIO_BIAS_PD)
++ return -EINVAL;
++ arg = 1;
+ break;
+ case PIN_CONFIG_BIAS_PULL_UP:
+- arg = pin->bias <= PM8XXX_GPIO_BIAS_PU_1P5_30;
++ if (pin->bias > PM8XXX_GPIO_BIAS_PU_1P5_30)
++ return -EINVAL;
++ arg = 1;
+ break;
+ case PM8XXX_QCOM_PULL_UP_STRENGTH:
+ arg = pin->pull_up_strength;
+ break;
+ case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
+- arg = pin->disable;
++ if (!pin->disable)
++ return -EINVAL;
++ arg = 1;
+ break;
+ case PIN_CONFIG_INPUT_ENABLE:
+- arg = pin->mode == PM8XXX_GPIO_MODE_INPUT;
++ if (pin->mode != PM8XXX_GPIO_MODE_INPUT)
++ return -EINVAL;
++ arg = 1;
+ break;
+ case PIN_CONFIG_OUTPUT:
+ if (pin->mode & PM8XXX_GPIO_MODE_OUTPUT)
+@@ -290,10 +300,14 @@ static int pm8xxx_pin_config_get(struct pinctrl_dev *pctldev,
+ arg = pin->output_strength;
+ break;
+ case PIN_CONFIG_DRIVE_PUSH_PULL:
+- arg = !pin->open_drain;
++ if (pin->open_drain)
++ return -EINVAL;
++ arg = 1;
+ break;
+ case PIN_CONFIG_DRIVE_OPEN_DRAIN:
+- arg = pin->open_drain;
++ if (!pin->open_drain)
++ return -EINVAL;
++ arg = 1;
+ break;
+ default:
+ return -EINVAL;
+diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
+index f1a2147a6d84..72d02bfeda9e 100644
+--- a/drivers/rpmsg/qcom_smd.c
++++ b/drivers/rpmsg/qcom_smd.c
+@@ -1049,8 +1049,10 @@ static struct qcom_smd_channel *qcom_smd_create_channel(struct qcom_smd_edge *ed
+
+ channel->edge = edge;
+ channel->name = kstrdup(name, GFP_KERNEL);
+- if (!channel->name)
+- return ERR_PTR(-ENOMEM);
++ if (!channel->name) {
++ ret = -ENOMEM;
++ goto free_channel;
++ }
+
+ mutex_init(&channel->tx_lock);
+ spin_lock_init(&channel->recv_lock);
+@@ -1099,6 +1101,7 @@ static struct qcom_smd_channel *qcom_smd_create_channel(struct qcom_smd_edge *ed
+
+ free_name_and_channel:
+ kfree(channel->name);
++free_channel:
+ kfree(channel);
+
+ return ERR_PTR(ret);
+diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c
+index c3fc34b9964d..9e5d3f7d29ae 100644
+--- a/drivers/scsi/esp_scsi.c
++++ b/drivers/scsi/esp_scsi.c
+@@ -1338,6 +1338,7 @@ static int esp_data_bytes_sent(struct esp *esp, struct esp_cmd_entry *ent,
+
+ bytes_sent = esp->data_dma_len;
+ bytes_sent -= ecount;
++ bytes_sent -= esp->send_cmd_residual;
+
+ /*
+ * The am53c974 has a DMA 'pecularity'. The doc states:
+diff --git a/drivers/scsi/esp_scsi.h b/drivers/scsi/esp_scsi.h
+index 8163dca2071b..a77772777a30 100644
+--- a/drivers/scsi/esp_scsi.h
++++ b/drivers/scsi/esp_scsi.h
+@@ -540,6 +540,8 @@ struct esp {
+
+ void *dma;
+ int dmarev;
++
++ u32 send_cmd_residual;
+ };
+
+ /* A front-end driver for the ESP chip should do the following in
+diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
+index 1a6f122bb25d..4ade13d72deb 100644
+--- a/drivers/scsi/lpfc/lpfc_scsi.c
++++ b/drivers/scsi/lpfc/lpfc_scsi.c
+@@ -4149,9 +4149,17 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
+
+ lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
+
+- spin_lock_irqsave(&phba->hbalock, flags);
+- lpfc_cmd->pCmd = NULL;
+- spin_unlock_irqrestore(&phba->hbalock, flags);
++ /* If pCmd was set to NULL from abort path, do not call scsi_done */
++ if (xchg(&lpfc_cmd->pCmd, NULL) == NULL) {
++ lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP,
++ "0711 FCP cmd already NULL, sid: 0x%06x, "
++ "did: 0x%06x, oxid: 0x%04x\n",
++ vport->fc_myDID,
++ (pnode) ? pnode->nlp_DID : 0,
++ phba->sli_rev == LPFC_SLI_REV4 ?
++ lpfc_cmd->cur_iocbq.sli4_xritag : 0xffff);
++ return;
++ }
+
+ /* The sdev is not guaranteed to be valid post scsi_done upcall. */
+ cmd->scsi_done(cmd);
+diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
+index dc83498024dc..24b6e56f6e97 100644
+--- a/drivers/scsi/lpfc/lpfc_sli.c
++++ b/drivers/scsi/lpfc/lpfc_sli.c
+@@ -3585,6 +3585,7 @@ lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba,
+ struct hbq_dmabuf *dmabuf;
+ struct lpfc_cq_event *cq_event;
+ unsigned long iflag;
++ int count = 0;
+
+ spin_lock_irqsave(&phba->hbalock, iflag);
+ phba->hba_flag &= ~HBA_SP_QUEUE_EVT;
+@@ -3606,16 +3607,22 @@ lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba,
+ if (irspiocbq)
+ lpfc_sli_sp_handle_rspiocb(phba, pring,
+ irspiocbq);
++ count++;
+ break;
+ case CQE_CODE_RECEIVE:
+ case CQE_CODE_RECEIVE_V1:
+ dmabuf = container_of(cq_event, struct hbq_dmabuf,
+ cq_event);
+ lpfc_sli4_handle_received_buffer(phba, dmabuf);
++ count++;
+ break;
+ default:
+ break;
+ }
++
++ /* Limit the number of events to 64 to avoid soft lockups */
++ if (count == 64)
++ break;
+ }
+ }
+
+diff --git a/drivers/scsi/mac_esp.c b/drivers/scsi/mac_esp.c
+index eb551f3cc471..71879f2207e0 100644
+--- a/drivers/scsi/mac_esp.c
++++ b/drivers/scsi/mac_esp.c
+@@ -427,6 +427,8 @@ static void mac_esp_send_pio_cmd(struct esp *esp, u32 addr, u32 esp_count,
+ scsi_esp_cmd(esp, ESP_CMD_TI);
+ }
+ }
++
++ esp->send_cmd_residual = esp_count;
+ }
+
+ static int mac_esp_irq_pending(struct esp *esp)
+diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
+index d55c365be238..d0abee3e6ed9 100644
+--- a/drivers/scsi/megaraid/megaraid_sas_base.c
++++ b/drivers/scsi/megaraid/megaraid_sas_base.c
+@@ -7361,6 +7361,9 @@ static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg)
+ get_user(user_sense_off, &cioc->sense_off))
+ return -EFAULT;
+
++ if (local_sense_off != user_sense_off)
++ return -EINVAL;
++
+ if (local_sense_len) {
+ void __user **sense_ioc_ptr =
+ (void __user **)((u8 *)((unsigned long)&ioc->frame.raw) + local_sense_off);
+diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
+index 0453ff6839a7..7e9ef3431bea 100644
+--- a/drivers/soc/tegra/pmc.c
++++ b/drivers/soc/tegra/pmc.c
+@@ -1321,7 +1321,7 @@ static void tegra_pmc_init_tsense_reset(struct tegra_pmc *pmc)
+ if (!pmc->soc->has_tsense_reset)
+ return;
+
+- np = of_find_node_by_name(pmc->dev->of_node, "i2c-thermtrip");
++ np = of_get_child_by_name(pmc->dev->of_node, "i2c-thermtrip");
+ if (!np) {
+ dev_warn(dev, "i2c-thermtrip node not found, %s.\n", disabled);
+ return;
+diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c
+index 6573152ce893..0316fae20cfe 100644
+--- a/drivers/spi/spi-bcm-qspi.c
++++ b/drivers/spi/spi-bcm-qspi.c
+@@ -88,7 +88,7 @@
+ #define BSPI_BPP_MODE_SELECT_MASK BIT(8)
+ #define BSPI_BPP_ADDR_SELECT_MASK BIT(16)
+
+-#define BSPI_READ_LENGTH 512
++#define BSPI_READ_LENGTH 256
+
+ /* MSPI register offsets */
+ #define MSPI_SPCR0_LSB 0x000
+diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
+index e5cc07357746..ce28c910ee48 100644
+--- a/drivers/spi/spi-ep93xx.c
++++ b/drivers/spi/spi-ep93xx.c
+@@ -246,6 +246,19 @@ static int ep93xx_spi_read_write(struct spi_master *master)
+ return -EINPROGRESS;
+ }
+
++static enum dma_transfer_direction
++ep93xx_dma_data_to_trans_dir(enum dma_data_direction dir)
++{
++ switch (dir) {
++ case DMA_TO_DEVICE:
++ return DMA_MEM_TO_DEV;
++ case DMA_FROM_DEVICE:
++ return DMA_DEV_TO_MEM;
++ default:
++ return DMA_TRANS_NONE;
++ }
++}
++
+ /**
+ * ep93xx_spi_dma_prepare() - prepares a DMA transfer
+ * @master: SPI master
+@@ -257,7 +270,7 @@ static int ep93xx_spi_read_write(struct spi_master *master)
+ */
+ static struct dma_async_tx_descriptor *
+ ep93xx_spi_dma_prepare(struct spi_master *master,
+- enum dma_transfer_direction dir)
++ enum dma_data_direction dir)
+ {
+ struct ep93xx_spi *espi = spi_master_get_devdata(master);
+ struct spi_transfer *xfer = master->cur_msg->state;
+@@ -277,9 +290,9 @@ ep93xx_spi_dma_prepare(struct spi_master *master,
+ buswidth = DMA_SLAVE_BUSWIDTH_1_BYTE;
+
+ memset(&conf, 0, sizeof(conf));
+- conf.direction = dir;
++ conf.direction = ep93xx_dma_data_to_trans_dir(dir);
+
+- if (dir == DMA_DEV_TO_MEM) {
++ if (dir == DMA_FROM_DEVICE) {
+ chan = espi->dma_rx;
+ buf = xfer->rx_buf;
+ sgt = &espi->rx_sgt;
+@@ -343,7 +356,8 @@ ep93xx_spi_dma_prepare(struct spi_master *master,
+ if (!nents)
+ return ERR_PTR(-ENOMEM);
+
+- txd = dmaengine_prep_slave_sg(chan, sgt->sgl, nents, dir, DMA_CTRL_ACK);
++ txd = dmaengine_prep_slave_sg(chan, sgt->sgl, nents, conf.direction,
++ DMA_CTRL_ACK);
+ if (!txd) {
+ dma_unmap_sg(chan->device->dev, sgt->sgl, sgt->nents, dir);
+ return ERR_PTR(-ENOMEM);
+@@ -360,13 +374,13 @@ ep93xx_spi_dma_prepare(struct spi_master *master,
+ * unmapped.
+ */
+ static void ep93xx_spi_dma_finish(struct spi_master *master,
+- enum dma_transfer_direction dir)
++ enum dma_data_direction dir)
+ {
+ struct ep93xx_spi *espi = spi_master_get_devdata(master);
+ struct dma_chan *chan;
+ struct sg_table *sgt;
+
+- if (dir == DMA_DEV_TO_MEM) {
++ if (dir == DMA_FROM_DEVICE) {
+ chan = espi->dma_rx;
+ sgt = &espi->rx_sgt;
+ } else {
+@@ -381,8 +395,8 @@ static void ep93xx_spi_dma_callback(void *callback_param)
+ {
+ struct spi_master *master = callback_param;
+
+- ep93xx_spi_dma_finish(master, DMA_MEM_TO_DEV);
+- ep93xx_spi_dma_finish(master, DMA_DEV_TO_MEM);
++ ep93xx_spi_dma_finish(master, DMA_TO_DEVICE);
++ ep93xx_spi_dma_finish(master, DMA_FROM_DEVICE);
+
+ spi_finalize_current_transfer(master);
+ }
+@@ -392,15 +406,15 @@ static int ep93xx_spi_dma_transfer(struct spi_master *master)
+ struct ep93xx_spi *espi = spi_master_get_devdata(master);
+ struct dma_async_tx_descriptor *rxd, *txd;
+
+- rxd = ep93xx_spi_dma_prepare(master, DMA_DEV_TO_MEM);
++ rxd = ep93xx_spi_dma_prepare(master, DMA_FROM_DEVICE);
+ if (IS_ERR(rxd)) {
+ dev_err(&master->dev, "DMA RX failed: %ld\n", PTR_ERR(rxd));
+ return PTR_ERR(rxd);
+ }
+
+- txd = ep93xx_spi_dma_prepare(master, DMA_MEM_TO_DEV);
++ txd = ep93xx_spi_dma_prepare(master, DMA_TO_DEVICE);
+ if (IS_ERR(txd)) {
+- ep93xx_spi_dma_finish(master, DMA_DEV_TO_MEM);
++ ep93xx_spi_dma_finish(master, DMA_FROM_DEVICE);
+ dev_err(&master->dev, "DMA TX failed: %ld\n", PTR_ERR(txd));
+ return PTR_ERR(txd);
+ }
+diff --git a/drivers/tc/tc.c b/drivers/tc/tc.c
+index 3be9519654e5..cf3fad2cb871 100644
+--- a/drivers/tc/tc.c
++++ b/drivers/tc/tc.c
+@@ -2,7 +2,7 @@
+ * TURBOchannel bus services.
+ *
+ * Copyright (c) Harald Koerfgen, 1998
+- * Copyright (c) 2001, 2003, 2005, 2006 Maciej W. Rozycki
++ * Copyright (c) 2001, 2003, 2005, 2006, 2018 Maciej W. Rozycki
+ * Copyright (c) 2005 James Simmons
+ *
+ * This file is subject to the terms and conditions of the GNU
+@@ -10,6 +10,7 @@
+ * directory of this archive for more details.
+ */
+ #include <linux/compiler.h>
++#include <linux/dma-mapping.h>
+ #include <linux/errno.h>
+ #include <linux/init.h>
+ #include <linux/ioport.h>
+@@ -92,6 +93,11 @@ static void __init tc_bus_add_devices(struct tc_bus *tbus)
+ tdev->dev.bus = &tc_bus_type;
+ tdev->slot = slot;
+
++ /* TURBOchannel has 34-bit DMA addressing (16GiB space). */
++ tdev->dma_mask = DMA_BIT_MASK(34);
++ tdev->dev.dma_mask = &tdev->dma_mask;
++ tdev->dev.coherent_dma_mask = DMA_BIT_MASK(34);
++
+ for (i = 0; i < 8; i++) {
+ tdev->firmware[i] =
+ readb(module + offset + TC_FIRM_VER + 4 * i);
+diff --git a/drivers/thermal/da9062-thermal.c b/drivers/thermal/da9062-thermal.c
+index dd8dd947b7f0..01b0cb994457 100644
+--- a/drivers/thermal/da9062-thermal.c
++++ b/drivers/thermal/da9062-thermal.c
+@@ -106,7 +106,7 @@ static void da9062_thermal_poll_on(struct work_struct *work)
+ THERMAL_EVENT_UNSPECIFIED);
+
+ delay = msecs_to_jiffies(thermal->zone->passive_delay);
+- schedule_delayed_work(&thermal->work, delay);
++ queue_delayed_work(system_freezable_wq, &thermal->work, delay);
+ return;
+ }
+
+@@ -125,7 +125,7 @@ static irqreturn_t da9062_thermal_irq_handler(int irq, void *data)
+ struct da9062_thermal *thermal = data;
+
+ disable_irq_nosync(thermal->irq);
+- schedule_delayed_work(&thermal->work, 0);
++ queue_delayed_work(system_freezable_wq, &thermal->work, 0);
+
+ return IRQ_HANDLED;
+ }
+diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
+index a260cde743e2..2db68dfe497d 100644
+--- a/drivers/tty/serial/kgdboc.c
++++ b/drivers/tty/serial/kgdboc.c
+@@ -133,6 +133,11 @@ static void kgdboc_unregister_kbd(void)
+
+ static int kgdboc_option_setup(char *opt)
+ {
++ if (!opt) {
++ pr_err("kgdboc: config string not provided\n");
++ return -EINVAL;
++ }
++
+ if (strlen(opt) >= MAX_CONFIG_LEN) {
+ printk(KERN_ERR "kgdboc: config string too long\n");
+ return -ENOSPC;
+diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
+index 41784798c789..0a730136646d 100644
+--- a/drivers/uio/uio.c
++++ b/drivers/uio/uio.c
+@@ -249,6 +249,8 @@ static struct class uio_class = {
+ .dev_groups = uio_groups,
+ };
+
++bool uio_class_registered;
++
+ /*
+ * device functions
+ */
+@@ -780,6 +782,9 @@ static int init_uio_class(void)
+ printk(KERN_ERR "class_register failed for uio\n");
+ goto err_class_register;
+ }
++
++ uio_class_registered = true;
++
+ return 0;
+
+ err_class_register:
+@@ -790,6 +795,7 @@ exit:
+
+ static void release_uio_class(void)
+ {
++ uio_class_registered = false;
+ class_unregister(&uio_class);
+ uio_major_cleanup();
+ }
+@@ -809,6 +815,9 @@ int __uio_register_device(struct module *owner,
+ struct uio_device *idev;
+ int ret = 0;
+
++ if (!uio_class_registered)
++ return -EPROBE_DEFER;
++
+ if (!parent || !info || !info->name || !info->version)
+ return -EINVAL;
+
+diff --git a/drivers/usb/chipidea/otg.h b/drivers/usb/chipidea/otg.h
+index 9ecb598e48f0..a5557c70034a 100644
+--- a/drivers/usb/chipidea/otg.h
++++ b/drivers/usb/chipidea/otg.h
+@@ -20,7 +20,8 @@ void ci_handle_vbus_change(struct ci_hdrc *ci);
+ static inline void ci_otg_queue_work(struct ci_hdrc *ci)
+ {
+ disable_irq_nosync(ci->irq);
+- queue_work(ci->wq, &ci->work);
++ if (queue_work(ci->wq, &ci->work) == false)
++ enable_irq(ci->irq);
+ }
+
+ #endif /* __DRIVERS_USB_CHIPIDEA_OTG_H */
+diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
+index a884c022df7a..cb66f982c313 100644
+--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
++++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
+@@ -2071,6 +2071,8 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev,
+
+ udc->errata = match->data;
+ udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9g45-pmc");
++ if (IS_ERR(udc->pmc))
++ udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9rl-pmc");
+ if (IS_ERR(udc->pmc))
+ udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9x5-pmc");
+ if (udc->errata && IS_ERR(udc->pmc))
+diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
+index 36a706f475d2..ade0723787e5 100644
+--- a/drivers/usb/gadget/udc/renesas_usb3.c
++++ b/drivers/usb/gadget/udc/renesas_usb3.c
+@@ -2374,6 +2374,9 @@ static ssize_t renesas_usb3_b_device_write(struct file *file,
+ else
+ usb3->forced_b_device = false;
+
++ if (usb3->workaround_for_vbus)
++ usb3_disconnect(usb3);
++
+ /* Let this driver call usb3_connect() anyway */
+ usb3_check_id(usb3);
+
+diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
+index 5302f988e7e6..e0ebd3d513c6 100644
+--- a/drivers/usb/host/ohci-at91.c
++++ b/drivers/usb/host/ohci-at91.c
+@@ -550,6 +550,8 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
+ pdata->overcurrent_pin[i] =
+ devm_gpiod_get_index_optional(&pdev->dev, "atmel,oc",
+ i, GPIOD_IN);
++ if (!pdata->overcurrent_pin[i])
++ continue;
+ if (IS_ERR(pdata->overcurrent_pin[i])) {
+ err = PTR_ERR(pdata->overcurrent_pin[i]);
+ dev_err(&pdev->dev, "unable to claim gpio \"overcurrent\": %d\n", err);
+diff --git a/drivers/usb/usbip/vudc_main.c b/drivers/usb/usbip/vudc_main.c
+index 9e655714e389..916e2eefc886 100644
+--- a/drivers/usb/usbip/vudc_main.c
++++ b/drivers/usb/usbip/vudc_main.c
+@@ -85,6 +85,10 @@ static int __init init(void)
+ cleanup:
+ list_for_each_entry_safe(udc_dev, udc_dev2, &vudc_devices, dev_entry) {
+ list_del(&udc_dev->dev_entry);
++ /*
++ * Just do platform_device_del() here, put_vudc_device()
++ * calls the platform_device_put()
++ */
+ platform_device_del(udc_dev->pdev);
+ put_vudc_device(udc_dev);
+ }
+@@ -101,7 +105,11 @@ static void __exit cleanup(void)
+
+ list_for_each_entry_safe(udc_dev, udc_dev2, &vudc_devices, dev_entry) {
+ list_del(&udc_dev->dev_entry);
+- platform_device_unregister(udc_dev->pdev);
++ /*
++ * Just do platform_device_del() here, put_vudc_device()
++ * calls the platform_device_put()
++ */
++ platform_device_del(udc_dev->pdev);
+ put_vudc_device(udc_dev);
+ }
+ platform_driver_unregister(&vudc_driver);
+diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
+index 83fc9aab34e8..3099052e1243 100644
+--- a/drivers/w1/masters/omap_hdq.c
++++ b/drivers/w1/masters/omap_hdq.c
+@@ -763,6 +763,8 @@ static int omap_hdq_remove(struct platform_device *pdev)
+ /* remove module dependency */
+ pm_runtime_disable(&pdev->dev);
+
++ w1_remove_master_device(&omap_w1_master);
++
+ return 0;
+ }
+
+diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
+index f98b8c135db9..95dbee89b758 100644
+--- a/drivers/xen/swiotlb-xen.c
++++ b/drivers/xen/swiotlb-xen.c
+@@ -317,6 +317,9 @@ xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size,
+ */
+ flags &= ~(__GFP_DMA | __GFP_HIGHMEM);
+
++ /* Convert the size to actually allocated. */
++ size = 1UL << (order + XEN_PAGE_SHIFT);
++
+ /* On ARM this function returns an ioremap'ped virtual address for
+ * which virt_to_phys doesn't return the corresponding physical
+ * address. In fact on ARM virt_to_phys only works for kernel direct
+@@ -365,6 +368,9 @@ xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
+ * physical address */
+ phys = xen_bus_to_phys(dev_addr);
+
++ /* Convert the size to actually allocated. */
++ size = 1UL << (order + XEN_PAGE_SHIFT);
++
+ if (((dev_addr + size - 1 <= dma_mask)) ||
+ range_straddles_page_boundary(phys, size))
+ xen_destroy_contiguous_region(phys, order);
+diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c
+index 294f35ce9e46..cf8ef8cee5a0 100644
+--- a/drivers/xen/xen-balloon.c
++++ b/drivers/xen/xen-balloon.c
+@@ -75,12 +75,15 @@ static void watch_target(struct xenbus_watch *watch,
+
+ if (!watch_fired) {
+ watch_fired = true;
+- err = xenbus_scanf(XBT_NIL, "memory", "static-max", "%llu",
+- &static_max);
+- if (err != 1)
+- static_max = new_target;
+- else
++
++ if ((xenbus_scanf(XBT_NIL, "memory", "static-max",
++ "%llu", &static_max) == 1) ||
++ (xenbus_scanf(XBT_NIL, "memory", "memory_static_max",
++ "%llu", &static_max) == 1))
+ static_max >>= PAGE_SHIFT - 10;
++ else
++ static_max = new_target;
++
+ target_diff = (xen_pv_domain() || xen_initial_domain()) ? 0
+ : static_max - balloon_stats.target_pages;
+ }
+diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
+index f96f72659693..2cb3569ac548 100644
+--- a/fs/btrfs/extent-tree.c
++++ b/fs/btrfs/extent-tree.c
+@@ -7573,6 +7573,7 @@ static noinline int find_free_extent(struct btrfs_fs_info *fs_info,
+ struct btrfs_block_group_cache *block_group = NULL;
+ u64 search_start = 0;
+ u64 max_extent_size = 0;
++ u64 max_free_space = 0;
+ u64 empty_cluster = 0;
+ struct btrfs_space_info *space_info;
+ int loop = 0;
+@@ -7867,8 +7868,8 @@ unclustered_alloc:
+ spin_lock(&ctl->tree_lock);
+ if (ctl->free_space <
+ num_bytes + empty_cluster + empty_size) {
+- if (ctl->free_space > max_extent_size)
+- max_extent_size = ctl->free_space;
++ max_free_space = max(max_free_space,
++ ctl->free_space);
+ spin_unlock(&ctl->tree_lock);
+ goto loop;
+ }
+@@ -8037,6 +8038,8 @@ loop:
+ }
+ out:
+ if (ret == -ENOSPC) {
++ if (!max_extent_size)
++ max_extent_size = max_free_space;
+ spin_lock(&space_info->lock);
+ space_info->max_extent_size = max_extent_size;
+ spin_unlock(&space_info->lock);
+@@ -8398,6 +8401,19 @@ btrfs_init_new_buffer(struct btrfs_trans_handle *trans, struct btrfs_root *root,
+ if (IS_ERR(buf))
+ return buf;
+
++ /*
++ * Extra safety check in case the extent tree is corrupted and extent
++ * allocator chooses to use a tree block which is already used and
++ * locked.
++ */
++ if (buf->lock_owner == current->pid) {
++ btrfs_err_rl(fs_info,
++"tree block %llu owner %llu already locked by pid=%d, extent tree corruption detected",
++ buf->start, btrfs_header_owner(buf), current->pid);
++ free_extent_buffer(buf);
++ return ERR_PTR(-EUCLEAN);
++ }
++
+ btrfs_set_header_generation(buf, trans->transid);
+ btrfs_set_buffer_lockdep_class(root->root_key.objectid, buf, level);
+ btrfs_tree_lock(buf);
+@@ -9028,15 +9044,14 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans,
+ if (eb == root->node) {
+ if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF)
+ parent = eb->start;
+- else
+- BUG_ON(root->root_key.objectid !=
+- btrfs_header_owner(eb));
++ else if (root->root_key.objectid != btrfs_header_owner(eb))
++ goto owner_mismatch;
+ } else {
+ if (wc->flags[level + 1] & BTRFS_BLOCK_FLAG_FULL_BACKREF)
+ parent = path->nodes[level + 1]->start;
+- else
+- BUG_ON(root->root_key.objectid !=
+- btrfs_header_owner(path->nodes[level + 1]));
++ else if (root->root_key.objectid !=
++ btrfs_header_owner(path->nodes[level + 1]))
++ goto owner_mismatch;
+ }
+
+ btrfs_free_tree_block(trans, root, eb, parent, wc->refs[level] == 1);
+@@ -9044,6 +9059,11 @@ out:
+ wc->refs[level] = 0;
+ wc->flags[level] = 0;
+ return 0;
++
++owner_mismatch:
++ btrfs_err_rl(fs_info, "unexpected tree owner, have %llu expect %llu",
++ btrfs_header_owner(eb), root->root_key.objectid);
++ return -EUCLEAN;
+ }
+
+ static noinline int walk_down_tree(struct btrfs_trans_handle *trans,
+@@ -9097,6 +9117,8 @@ static noinline int walk_up_tree(struct btrfs_trans_handle *trans,
+ ret = walk_up_proc(trans, root, path, wc);
+ if (ret > 0)
+ return 0;
++ if (ret < 0)
++ return ret;
+
+ if (path->locks[level]) {
+ btrfs_tree_unlock_rw(path->nodes[level],
+@@ -9862,6 +9884,7 @@ void btrfs_put_block_group_cache(struct btrfs_fs_info *info)
+
+ block_group = btrfs_lookup_first_block_group(info, last);
+ while (block_group) {
++ wait_block_group_cache_done(block_group);
+ spin_lock(&block_group->lock);
+ if (block_group->iref)
+ break;
+@@ -10250,7 +10273,7 @@ error:
+ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans,
+ struct btrfs_fs_info *fs_info)
+ {
+- struct btrfs_block_group_cache *block_group, *tmp;
++ struct btrfs_block_group_cache *block_group;
+ struct btrfs_root *extent_root = fs_info->extent_root;
+ struct btrfs_block_group_item item;
+ struct btrfs_key key;
+@@ -10258,7 +10281,10 @@ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans,
+ bool can_flush_pending_bgs = trans->can_flush_pending_bgs;
+
+ trans->can_flush_pending_bgs = false;
+- list_for_each_entry_safe(block_group, tmp, &trans->new_bgs, bg_list) {
++ while (!list_empty(&trans->new_bgs)) {
++ block_group = list_first_entry(&trans->new_bgs,
++ struct btrfs_block_group_cache,
++ bg_list);
+ if (ret)
+ goto next;
+
+@@ -10957,6 +10983,10 @@ static int btrfs_trim_free_extents(struct btrfs_device *device,
+
+ *trimmed = 0;
+
++ /* Discard not supported = nothing to do. */
++ if (!blk_queue_discard(bdev_get_queue(device->bdev)))
++ return 0;
++
+ /* Not writeable = nothing to do. */
+ if (!device->writeable)
+ return 0;
+@@ -11018,6 +11048,15 @@ static int btrfs_trim_free_extents(struct btrfs_device *device,
+ return ret;
+ }
+
++/*
++ * Trim the whole filesystem by:
++ * 1) trimming the free space in each block group
++ * 2) trimming the unallocated space on each device
++ *
++ * This will also continue trimming even if a block group or device encounters
++ * an error. The return value will be the last error, or 0 if nothing bad
++ * happens.
++ */
+ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
+ {
+ struct btrfs_block_group_cache *cache = NULL;
+@@ -11027,18 +11066,14 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
+ u64 start;
+ u64 end;
+ u64 trimmed = 0;
+- u64 total_bytes = btrfs_super_total_bytes(fs_info->super_copy);
++ u64 bg_failed = 0;
++ u64 dev_failed = 0;
++ int bg_ret = 0;
++ int dev_ret = 0;
+ int ret = 0;
+
+- /*
+- * try to trim all FS space, our block group may start from non-zero.
+- */
+- if (range->len == total_bytes)
+- cache = btrfs_lookup_first_block_group(fs_info, range->start);
+- else
+- cache = btrfs_lookup_block_group(fs_info, range->start);
+-
+- while (cache) {
++ cache = btrfs_lookup_first_block_group(fs_info, range->start);
++ for (; cache; cache = next_block_group(fs_info, cache)) {
+ if (cache->key.objectid >= (range->start + range->len)) {
+ btrfs_put_block_group(cache);
+ break;
+@@ -11052,13 +11087,15 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
+ if (!block_group_cache_done(cache)) {
+ ret = cache_block_group(cache, 0);
+ if (ret) {
+- btrfs_put_block_group(cache);
+- break;
++ bg_failed++;
++ bg_ret = ret;
++ continue;
+ }
+ ret = wait_block_group_cache_done(cache);
+ if (ret) {
+- btrfs_put_block_group(cache);
+- break;
++ bg_failed++;
++ bg_ret = ret;
++ continue;
+ }
+ }
+ ret = btrfs_trim_block_group(cache,
+@@ -11069,28 +11106,40 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
+
+ trimmed += group_trimmed;
+ if (ret) {
+- btrfs_put_block_group(cache);
+- break;
++ bg_failed++;
++ bg_ret = ret;
++ continue;
+ }
+ }
+-
+- cache = next_block_group(fs_info, cache);
+ }
+
++ if (bg_failed)
++ btrfs_warn(fs_info,
++ "failed to trim %llu block group(s), last error %d",
++ bg_failed, bg_ret);
+ mutex_lock(&fs_info->fs_devices->device_list_mutex);
+- devices = &fs_info->fs_devices->alloc_list;
+- list_for_each_entry(device, devices, dev_alloc_list) {
++ devices = &fs_info->fs_devices->devices;
++ list_for_each_entry(device, devices, dev_list) {
+ ret = btrfs_trim_free_extents(device, range->minlen,
+ &group_trimmed);
+- if (ret)
++ if (ret) {
++ dev_failed++;
++ dev_ret = ret;
+ break;
++ }
+
+ trimmed += group_trimmed;
+ }
+ mutex_unlock(&fs_info->fs_devices->device_list_mutex);
+
++ if (dev_failed)
++ btrfs_warn(fs_info,
++ "failed to trim %llu device(s), last error %d",
++ dev_failed, dev_ret);
+ range->len = trimmed;
+- return ret;
++ if (bg_ret)
++ return bg_ret;
++ return dev_ret;
+ }
+
+ /*
+diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
+index 5690feded0de..57e25e83b81a 100644
+--- a/fs/btrfs/file.c
++++ b/fs/btrfs/file.c
+@@ -2078,6 +2078,14 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+ goto out;
+
+ inode_lock(inode);
++
++ /*
++ * We take the dio_sem here because the tree log stuff can race with
++ * lockless dio writes and get an extent map logged for an extent we
++ * never waited on. We need it this high up for lockdep reasons.
++ */
++ down_write(&BTRFS_I(inode)->dio_sem);
++
+ atomic_inc(&root->log_batch);
+ full_sync = test_bit(BTRFS_INODE_NEEDS_FULL_SYNC,
+ &BTRFS_I(inode)->runtime_flags);
+@@ -2129,6 +2137,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+ ret = start_ordered_ops(inode, start, end);
+ }
+ if (ret) {
++ up_write(&BTRFS_I(inode)->dio_sem);
+ inode_unlock(inode);
+ goto out;
+ }
+@@ -2184,6 +2193,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+ * checked called fsync.
+ */
+ ret = filemap_check_wb_err(inode->i_mapping, file->f_wb_err);
++ up_write(&BTRFS_I(inode)->dio_sem);
+ inode_unlock(inode);
+ goto out;
+ }
+@@ -2208,6 +2218,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+ trans = btrfs_start_transaction(root, 0);
+ if (IS_ERR(trans)) {
+ ret = PTR_ERR(trans);
++ up_write(&BTRFS_I(inode)->dio_sem);
+ inode_unlock(inode);
+ goto out;
+ }
+@@ -2229,6 +2240,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+ * file again, but that will end up using the synchronization
+ * inside btrfs_sync_log to keep things safe.
+ */
++ up_write(&BTRFS_I(inode)->dio_sem);
+ inode_unlock(inode);
+
+ /*
+diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
+index 4426d1c73e50..9f31b81a5e27 100644
+--- a/fs/btrfs/free-space-cache.c
++++ b/fs/btrfs/free-space-cache.c
+@@ -22,6 +22,7 @@
+ #include <linux/slab.h>
+ #include <linux/math64.h>
+ #include <linux/ratelimit.h>
++#include <linux/sched/mm.h>
+ #include "ctree.h"
+ #include "free-space-cache.h"
+ #include "transaction.h"
+@@ -59,6 +60,7 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root,
+ struct btrfs_free_space_header *header;
+ struct extent_buffer *leaf;
+ struct inode *inode = NULL;
++ unsigned nofs_flag;
+ int ret;
+
+ key.objectid = BTRFS_FREE_SPACE_OBJECTID;
+@@ -80,7 +82,13 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root,
+ btrfs_disk_key_to_cpu(&location, &disk_key);
+ btrfs_release_path(path);
+
++ /*
++ * We are often under a trans handle at this point, so we need to make
++ * sure NOFS is set to keep us from deadlocking.
++ */
++ nofs_flag = memalloc_nofs_save();
+ inode = btrfs_iget(fs_info->sb, &location, root, NULL);
++ memalloc_nofs_restore(nofs_flag);
+ if (IS_ERR(inode))
+ return inode;
+ if (is_bad_inode(inode)) {
+@@ -1702,6 +1710,8 @@ static inline void __bitmap_clear_bits(struct btrfs_free_space_ctl *ctl,
+ bitmap_clear(info->bitmap, start, count);
+
+ info->bytes -= bytes;
++ if (info->max_extent_size > ctl->unit)
++ info->max_extent_size = 0;
+ }
+
+ static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl,
+@@ -1785,6 +1795,13 @@ static int search_bitmap(struct btrfs_free_space_ctl *ctl,
+ return -1;
+ }
+
++static inline u64 get_max_extent_size(struct btrfs_free_space *entry)
++{
++ if (entry->bitmap)
++ return entry->max_extent_size;
++ return entry->bytes;
++}
++
+ /* Cache the size of the max extent in bytes */
+ static struct btrfs_free_space *
+ find_free_space(struct btrfs_free_space_ctl *ctl, u64 *offset, u64 *bytes,
+@@ -1806,8 +1823,8 @@ find_free_space(struct btrfs_free_space_ctl *ctl, u64 *offset, u64 *bytes,
+ for (node = &entry->offset_index; node; node = rb_next(node)) {
+ entry = rb_entry(node, struct btrfs_free_space, offset_index);
+ if (entry->bytes < *bytes) {
+- if (entry->bytes > *max_extent_size)
+- *max_extent_size = entry->bytes;
++ *max_extent_size = max(get_max_extent_size(entry),
++ *max_extent_size);
+ continue;
+ }
+
+@@ -1825,8 +1842,8 @@ find_free_space(struct btrfs_free_space_ctl *ctl, u64 *offset, u64 *bytes,
+ }
+
+ if (entry->bytes < *bytes + align_off) {
+- if (entry->bytes > *max_extent_size)
+- *max_extent_size = entry->bytes;
++ *max_extent_size = max(get_max_extent_size(entry),
++ *max_extent_size);
+ continue;
+ }
+
+@@ -1838,8 +1855,10 @@ find_free_space(struct btrfs_free_space_ctl *ctl, u64 *offset, u64 *bytes,
+ *offset = tmp;
+ *bytes = size;
+ return entry;
+- } else if (size > *max_extent_size) {
+- *max_extent_size = size;
++ } else {
++ *max_extent_size =
++ max(get_max_extent_size(entry),
++ *max_extent_size);
+ }
+ continue;
+ }
+@@ -2463,6 +2482,7 @@ void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
+ struct rb_node *n;
+ int count = 0;
+
++ spin_lock(&ctl->tree_lock);
+ for (n = rb_first(&ctl->free_space_offset); n; n = rb_next(n)) {
+ info = rb_entry(n, struct btrfs_free_space, offset_index);
+ if (info->bytes >= bytes && !block_group->ro)
+@@ -2471,6 +2491,7 @@ void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
+ info->offset, info->bytes,
+ (info->bitmap) ? "yes" : "no");
+ }
++ spin_unlock(&ctl->tree_lock);
+ btrfs_info(fs_info, "block group has cluster?: %s",
+ list_empty(&block_group->cluster_list) ? "no" : "yes");
+ btrfs_info(fs_info,
+@@ -2699,8 +2720,8 @@ static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group_cache *block_group,
+
+ err = search_bitmap(ctl, entry, &search_start, &search_bytes, true);
+ if (err) {
+- if (search_bytes > *max_extent_size)
+- *max_extent_size = search_bytes;
++ *max_extent_size = max(get_max_extent_size(entry),
++ *max_extent_size);
+ return 0;
+ }
+
+@@ -2737,8 +2758,9 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group,
+
+ entry = rb_entry(node, struct btrfs_free_space, offset_index);
+ while (1) {
+- if (entry->bytes < bytes && entry->bytes > *max_extent_size)
+- *max_extent_size = entry->bytes;
++ if (entry->bytes < bytes)
++ *max_extent_size = max(get_max_extent_size(entry),
++ *max_extent_size);
+
+ if (entry->bytes < bytes ||
+ (!entry->bitmap && entry->offset < min_start)) {
+diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
+index e8bfafa25a71..90568a21fa77 100644
+--- a/fs/btrfs/inode.c
++++ b/fs/btrfs/inode.c
+@@ -524,6 +524,7 @@ again:
+ pages = kcalloc(nr_pages, sizeof(struct page *), GFP_NOFS);
+ if (!pages) {
+ /* just bail out to the uncompressed code */
++ nr_pages = 0;
+ goto cont;
+ }
+
+@@ -2965,6 +2966,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
+ bool truncated = false;
+ bool range_locked = false;
+ bool clear_new_delalloc_bytes = false;
++ bool clear_reserved_extent = true;
+
+ if (!test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags) &&
+ !test_bit(BTRFS_ORDERED_PREALLOC, &ordered_extent->flags) &&
+@@ -3068,10 +3070,12 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
+ logical_len, logical_len,
+ compress_type, 0, 0,
+ BTRFS_FILE_EXTENT_REG);
+- if (!ret)
++ if (!ret) {
++ clear_reserved_extent = false;
+ btrfs_release_delalloc_bytes(fs_info,
+ ordered_extent->start,
+ ordered_extent->disk_len);
++ }
+ }
+ unpin_extent_cache(&BTRFS_I(inode)->extent_tree,
+ ordered_extent->file_offset, ordered_extent->len,
+@@ -3131,8 +3135,13 @@ out:
+ * wrong we need to return the space for this ordered extent
+ * back to the allocator. We only free the extent in the
+ * truncated case if we didn't write out the extent at all.
++ *
++ * If we made it past insert_reserved_file_extent before we
++ * errored out then we don't need to do this as the accounting
++ * has already been done.
+ */
+ if ((ret || !logical_len) &&
++ clear_reserved_extent &&
+ !test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags) &&
+ !test_bit(BTRFS_ORDERED_PREALLOC, &ordered_extent->flags))
+ btrfs_free_reserved_extent(fs_info,
+@@ -5326,11 +5335,13 @@ static void evict_inode_truncate_pages(struct inode *inode)
+ struct extent_state *cached_state = NULL;
+ u64 start;
+ u64 end;
++ unsigned state_flags;
+
+ node = rb_first(&io_tree->state);
+ state = rb_entry(node, struct extent_state, rb_node);
+ start = state->start;
+ end = state->end;
++ state_flags = state->state;
+ spin_unlock(&io_tree->lock);
+
+ lock_extent_bits(io_tree, start, end, &cached_state);
+@@ -5343,7 +5354,7 @@ static void evict_inode_truncate_pages(struct inode *inode)
+ *
+ * Note, end is the bytenr of last byte, so we need + 1 here.
+ */
+- if (state->state & EXTENT_DELALLOC)
++ if (state_flags & EXTENT_DELALLOC)
+ btrfs_qgroup_free_data(inode, NULL, start, end - start + 1);
+
+ clear_extent_bit(io_tree, start, end,
+diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
+index a507c0d25354..9333e4cda68d 100644
+--- a/fs/btrfs/ioctl.c
++++ b/fs/btrfs/ioctl.c
+@@ -352,7 +352,6 @@ static noinline int btrfs_ioctl_fitrim(struct file *file, void __user *arg)
+ struct fstrim_range range;
+ u64 minlen = ULLONG_MAX;
+ u64 num_devices = 0;
+- u64 total_bytes = btrfs_super_total_bytes(fs_info->super_copy);
+ int ret;
+
+ if (!capable(CAP_SYS_ADMIN))
+@@ -376,11 +375,15 @@ static noinline int btrfs_ioctl_fitrim(struct file *file, void __user *arg)
+ return -EOPNOTSUPP;
+ if (copy_from_user(&range, arg, sizeof(range)))
+ return -EFAULT;
+- if (range.start > total_bytes ||
+- range.len < fs_info->sb->s_blocksize)
++
++ /*
++ * NOTE: Don't truncate the range using super->total_bytes. Bytenr of
++ * block group is in the logical address space, which can be any
++ * sectorsize aligned bytenr in the range [0, U64_MAX].
++ */
++ if (range.len < fs_info->sb->s_blocksize)
+ return -EINVAL;
+
+- range.len = min(range.len, total_bytes - range.start);
+ range.minlen = max(range.minlen, minlen);
+ ret = btrfs_trim_fs(fs_info, &range);
+ if (ret < 0)
+diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
+index 47dec283628d..d6d6e9593e39 100644
+--- a/fs/btrfs/qgroup.c
++++ b/fs/btrfs/qgroup.c
+@@ -2763,6 +2763,7 @@ qgroup_rescan_zero_tracking(struct btrfs_fs_info *fs_info)
+ qgroup->rfer_cmpr = 0;
+ qgroup->excl = 0;
+ qgroup->excl_cmpr = 0;
++ qgroup_dirty(fs_info, qgroup);
+ }
+ spin_unlock(&fs_info->qgroup_lock);
+ }
+@@ -2972,6 +2973,10 @@ static int __btrfs_qgroup_release_data(struct inode *inode,
+ int trace_op = QGROUP_RELEASE;
+ int ret;
+
++ if (!test_bit(BTRFS_FS_QUOTA_ENABLED,
++ &BTRFS_I(inode)->root->fs_info->flags))
++ return 0;
++
+ /* In release case, we shouldn't have @reserved */
+ WARN_ON(!free && reserved);
+ if (free && reserved)
+diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h
+index d9984e87cddf..83483ade3b19 100644
+--- a/fs/btrfs/qgroup.h
++++ b/fs/btrfs/qgroup.h
+@@ -232,6 +232,8 @@ void btrfs_qgroup_free_refroot(struct btrfs_fs_info *fs_info,
+ static inline void btrfs_qgroup_free_delayed_ref(struct btrfs_fs_info *fs_info,
+ u64 ref_root, u64 num_bytes)
+ {
++ if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags))
++ return;
+ trace_btrfs_qgroup_free_delayed_ref(fs_info, ref_root, num_bytes);
+ btrfs_qgroup_free_refroot(fs_info, ref_root, num_bytes);
+ }
+diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
+index b80b03e0c5d3..eeae2c3ab17e 100644
+--- a/fs/btrfs/relocation.c
++++ b/fs/btrfs/relocation.c
+@@ -1334,7 +1334,7 @@ static void __del_reloc_root(struct btrfs_root *root)
+ struct mapping_node *node = NULL;
+ struct reloc_control *rc = fs_info->reloc_ctl;
+
+- if (rc) {
++ if (rc && root->node) {
+ spin_lock(&rc->reloc_root_tree.lock);
+ rb_node = tree_search(&rc->reloc_root_tree.rb_root,
+ root->node->start);
+diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
+index 27638b96079d..f74005ca8f08 100644
+--- a/fs/btrfs/transaction.c
++++ b/fs/btrfs/transaction.c
+@@ -2307,15 +2307,6 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans)
+
+ kmem_cache_free(btrfs_trans_handle_cachep, trans);
+
+- /*
+- * If fs has been frozen, we can not handle delayed iputs, otherwise
+- * it'll result in deadlock about SB_FREEZE_FS.
+- */
+- if (current != fs_info->transaction_kthread &&
+- current != fs_info->cleaner_kthread &&
+- !test_bit(BTRFS_FS_FROZEN, &fs_info->flags))
+- btrfs_run_delayed_iputs(fs_info);
+-
+ return ret;
+
+ scrub_continue:
+diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
+index e1b4a59485df..2109db196449 100644
+--- a/fs/btrfs/tree-log.c
++++ b/fs/btrfs/tree-log.c
+@@ -273,6 +273,13 @@ struct walk_control {
+ /* what stage of the replay code we're currently in */
+ int stage;
+
++ /*
++ * Ignore any items from the inode currently being processed. Needs
++ * to be set every time we find a BTRFS_INODE_ITEM_KEY and we are in
++ * the LOG_WALK_REPLAY_INODES stage.
++ */
++ bool ignore_cur_inode;
++
+ /* the root we are currently replaying */
+ struct btrfs_root *replay_dest;
+
+@@ -2363,6 +2370,20 @@ static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb,
+
+ inode_item = btrfs_item_ptr(eb, i,
+ struct btrfs_inode_item);
++ /*
++ * If we have a tmpfile (O_TMPFILE) that got fsync'ed
++ * and never got linked before the fsync, skip it, as
++ * replaying it is pointless since it would be deleted
++ * later. We skip logging tmpfiles, but it's always
++ * possible we are replaying a log created with a kernel
++ * that used to log tmpfiles.
++ */
++ if (btrfs_inode_nlink(eb, inode_item) == 0) {
++ wc->ignore_cur_inode = true;
++ continue;
++ } else {
++ wc->ignore_cur_inode = false;
++ }
+ ret = replay_xattr_deletes(wc->trans, root, log,
+ path, key.objectid);
+ if (ret)
+@@ -2400,16 +2421,8 @@ static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb,
+ root->fs_info->sectorsize);
+ ret = btrfs_drop_extents(wc->trans, root, inode,
+ from, (u64)-1, 1);
+- /*
+- * If the nlink count is zero here, the iput
+- * will free the inode. We bump it to make
+- * sure it doesn't get freed until the link
+- * count fixup is done.
+- */
+ if (!ret) {
+- if (inode->i_nlink == 0)
+- inc_nlink(inode);
+- /* Update link count and nbytes. */
++ /* Update the inode's nbytes. */
+ ret = btrfs_update_inode(wc->trans,
+ root, inode);
+ }
+@@ -2424,6 +2437,9 @@ static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb,
+ break;
+ }
+
++ if (wc->ignore_cur_inode)
++ continue;
++
+ if (key.type == BTRFS_DIR_INDEX_KEY &&
+ wc->stage == LOG_WALK_REPLAY_DIR_INDEX) {
+ ret = replay_one_dir_item(wc->trans, root, path,
+@@ -3078,9 +3094,12 @@ static void free_log_tree(struct btrfs_trans_handle *trans,
+ };
+
+ ret = walk_log_tree(trans, log, &wc);
+- /* I don't think this can happen but just in case */
+- if (ret)
+- btrfs_abort_transaction(trans, ret);
++ if (ret) {
++ if (trans)
++ btrfs_abort_transaction(trans, ret);
++ else
++ btrfs_handle_fs_error(log->fs_info, ret, NULL);
++ }
+
+ while (1) {
+ ret = find_first_extent_bit(&log->dirty_log_pages,
+@@ -3959,6 +3978,36 @@ fill_holes:
+ break;
+ *last_extent = extent_end;
+ }
++
++ /*
++ * Check if there is a hole between the last extent found in our leaf
++ * and the first extent in the next leaf. If there is one, we need to
++ * log an explicit hole so that at replay time we can punch the hole.
++ */
++ if (ret == 0 &&
++ key.objectid == btrfs_ino(inode) &&
++ key.type == BTRFS_EXTENT_DATA_KEY &&
++ i == btrfs_header_nritems(src_path->nodes[0])) {
++ ret = btrfs_next_leaf(inode->root, src_path);
++ need_find_last_extent = true;
++ if (ret > 0) {
++ ret = 0;
++ } else if (ret == 0) {
++ btrfs_item_key_to_cpu(src_path->nodes[0], &key,
++ src_path->slots[0]);
++ if (key.objectid == btrfs_ino(inode) &&
++ key.type == BTRFS_EXTENT_DATA_KEY &&
++ *last_extent < key.offset) {
++ const u64 len = key.offset - *last_extent;
++
++ ret = btrfs_insert_file_extent(trans, log,
++ btrfs_ino(inode),
++ *last_extent, 0,
++ 0, len, 0, len,
++ 0, 0, 0);
++ }
++ }
++ }
+ /*
+ * Need to let the callers know we dropped the path so they should
+ * re-search.
+@@ -4343,7 +4392,6 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans,
+
+ INIT_LIST_HEAD(&extents);
+
+- down_write(&inode->dio_sem);
+ write_lock(&tree->lock);
+ test_gen = root->fs_info->last_trans_committed;
+ logged_start = start;
+@@ -4424,7 +4472,6 @@ process:
+ }
+ WARN_ON(!list_empty(&extents));
+ write_unlock(&tree->lock);
+- up_write(&inode->dio_sem);
+
+ btrfs_release_path(path);
+ if (!ret)
+@@ -4622,7 +4669,8 @@ static int btrfs_log_trailing_hole(struct btrfs_trans_handle *trans,
+ ASSERT(len == i_size ||
+ (len == fs_info->sectorsize &&
+ btrfs_file_extent_compression(leaf, extent) !=
+- BTRFS_COMPRESS_NONE));
++ BTRFS_COMPRESS_NONE) ||
++ (len < i_size && i_size < fs_info->sectorsize));
+ return 0;
+ }
+
+@@ -5564,9 +5612,33 @@ static int btrfs_log_all_parents(struct btrfs_trans_handle *trans,
+
+ dir_inode = btrfs_iget(fs_info->sb, &inode_key,
+ root, NULL);
+- /* If parent inode was deleted, skip it. */
+- if (IS_ERR(dir_inode))
+- continue;
++ /*
++ * If the parent inode was deleted, return an error to
++ * fallback to a transaction commit. This is to prevent
++ * getting an inode that was moved from one parent A to
++ * a parent B, got its former parent A deleted and then
++ * it got fsync'ed, from existing at both parents after
++ * a log replay (and the old parent still existing).
++ * Example:
++ *
++ * mkdir /mnt/A
++ * mkdir /mnt/B
++ * touch /mnt/B/bar
++ * sync
++ * mv /mnt/B/bar /mnt/A/bar
++ * mv -T /mnt/A /mnt/B
++ * fsync /mnt/B/bar
++ * <power fail>
++ *
++ * If we ignore the old parent B which got deleted,
++ * after a log replay we would have file bar linked
++ * at both parents and the old parent B would still
++ * exist.
++ */
++ if (IS_ERR(dir_inode)) {
++ ret = PTR_ERR(dir_inode);
++ goto out;
++ }
+
+ if (ctx)
+ ctx->log_new_dentries = false;
+@@ -5641,7 +5713,13 @@ static int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
+ if (ret)
+ goto end_no_trans;
+
+- if (btrfs_inode_in_log(inode, trans->transid)) {
++ /*
++ * Skip already logged inodes or inodes corresponding to tmpfiles
++ * (since logging them is pointless, a link count of 0 means they
++ * will never be accessible).
++ */
++ if (btrfs_inode_in_log(inode, trans->transid) ||
++ inode->vfs_inode.i_nlink == 0) {
+ ret = BTRFS_NO_LOG_SYNC;
+ goto end_no_trans;
+ }
+diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
+index 2565cee702e4..106a715101f9 100644
+--- a/fs/cifs/cifs_debug.c
++++ b/fs/cifs/cifs_debug.c
+@@ -289,6 +289,9 @@ static ssize_t cifs_stats_proc_write(struct file *file,
+ atomic_set(&totBufAllocCount, 0);
+ atomic_set(&totSmBufAllocCount, 0);
+ #endif /* CONFIG_CIFS_STATS2 */
++ atomic_set(&tcpSesReconnectCount, 0);
++ atomic_set(&tconInfoReconnectCount, 0);
++
+ spin_lock(&GlobalMid_Lock);
+ GlobalMaxActiveXid = 0;
+ GlobalCurrentXid = 0;
+diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c
+index b611fc2e8984..7f01c6e60791 100644
+--- a/fs/cifs/cifs_spnego.c
++++ b/fs/cifs/cifs_spnego.c
+@@ -147,8 +147,10 @@ cifs_get_spnego_key(struct cifs_ses *sesInfo)
+ sprintf(dp, ";sec=krb5");
+ else if (server->sec_mskerberos)
+ sprintf(dp, ";sec=mskrb5");
+- else
+- goto out;
++ else {
++ cifs_dbg(VFS, "unknown or missing server auth type, use krb5\n");
++ sprintf(dp, ";sec=krb5");
++ }
+
+ dp = description + strlen(description);
+ sprintf(dp, ";uid=0x%x",
+diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
+index d01cbca84701..a90a637ae79a 100644
+--- a/fs/cifs/inode.c
++++ b/fs/cifs/inode.c
+@@ -776,7 +776,15 @@ cifs_get_inode_info(struct inode **inode, const char *full_path,
+ } else if (rc == -EREMOTE) {
+ cifs_create_dfs_fattr(&fattr, sb);
+ rc = 0;
+- } else if (rc == -EACCES && backup_cred(cifs_sb)) {
++ } else if ((rc == -EACCES) && backup_cred(cifs_sb) &&
++ (strcmp(server->vals->version_string, SMB1_VERSION_STRING)
++ == 0)) {
++ /*
++ * For SMB2 and later the backup intent flag is already
++ * sent if needed on open and there is no path based
++ * FindFirst operation to use to retry with
++ */
++
+ srchinf = kzalloc(sizeof(struct cifs_search_info),
+ GFP_KERNEL);
+ if (srchinf == NULL) {
+diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
+index 7919967488cb..011c6f53dcda 100644
+--- a/fs/cramfs/inode.c
++++ b/fs/cramfs/inode.c
+@@ -186,7 +186,8 @@ static void *cramfs_read(struct super_block *sb, unsigned int offset, unsigned i
+ continue;
+ blk_offset = (blocknr - buffer_blocknr[i]) << PAGE_SHIFT;
+ blk_offset += offset;
+- if (blk_offset + len > BUFFER_SIZE)
++ if (blk_offset > BUFFER_SIZE ||
++ blk_offset + len > BUFFER_SIZE)
+ continue;
+ return read_buffers[i] + blk_offset;
+ }
+diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
+index c96778c39885..c0c6562b3c44 100644
+--- a/fs/ext4/ext4.h
++++ b/fs/ext4/ext4.h
+@@ -1421,7 +1421,8 @@ struct ext4_sb_info {
+ u32 s_min_batch_time;
+ struct block_device *journal_bdev;
+ #ifdef CONFIG_QUOTA
+- char *s_qf_names[EXT4_MAXQUOTAS]; /* Names of quota files with journalled quota */
++ /* Names of quota files with journalled quota */
++ char __rcu *s_qf_names[EXT4_MAXQUOTAS];
+ int s_jquota_fmt; /* Format of quota to use */
+ #endif
+ unsigned int s_want_extra_isize; /* New inodes should reserve # bytes */
+diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
+index 4e1d62ba0703..ac2e0516c16f 100644
+--- a/fs/ext4/inline.c
++++ b/fs/ext4/inline.c
+@@ -869,7 +869,7 @@ int ext4_da_write_inline_data_begin(struct address_space *mapping,
+ handle_t *handle;
+ struct page *page;
+ struct ext4_iloc iloc;
+- int retries;
++ int retries = 0;
+
+ ret = ext4_get_inode_loc(inode, &iloc);
+ if (ret)
+diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
+index 1eb68e626931..b2a47058e04c 100644
+--- a/fs/ext4/ioctl.c
++++ b/fs/ext4/ioctl.c
+@@ -344,19 +344,14 @@ static int ext4_ioctl_setproject(struct file *filp, __u32 projid)
+ if (projid_eq(kprojid, EXT4_I(inode)->i_projid))
+ return 0;
+
+- err = mnt_want_write_file(filp);
+- if (err)
+- return err;
+-
+ err = -EPERM;
+- inode_lock(inode);
+ /* Is it quota file? Do not allow user to mess with it */
+ if (ext4_is_quota_file(inode))
+- goto out_unlock;
++ return err;
+
+ err = ext4_get_inode_loc(inode, &iloc);
+ if (err)
+- goto out_unlock;
++ return err;
+
+ raw_inode = ext4_raw_inode(&iloc);
+ if (!EXT4_FITS_IN_INODE(raw_inode, ei, i_projid)) {
+@@ -364,20 +359,20 @@ static int ext4_ioctl_setproject(struct file *filp, __u32 projid)
+ EXT4_SB(sb)->s_want_extra_isize,
+ &iloc);
+ if (err)
+- goto out_unlock;
++ return err;
+ } else {
+ brelse(iloc.bh);
+ }
+
+- dquot_initialize(inode);
++ err = dquot_initialize(inode);
++ if (err)
++ return err;
+
+ handle = ext4_journal_start(inode, EXT4_HT_QUOTA,
+ EXT4_QUOTA_INIT_BLOCKS(sb) +
+ EXT4_QUOTA_DEL_BLOCKS(sb) + 3);
+- if (IS_ERR(handle)) {
+- err = PTR_ERR(handle);
+- goto out_unlock;
+- }
++ if (IS_ERR(handle))
++ return PTR_ERR(handle);
+
+ err = ext4_reserve_inode_write(handle, inode, &iloc);
+ if (err)
+@@ -405,9 +400,6 @@ out_dirty:
+ err = rc;
+ out_stop:
+ ext4_journal_stop(handle);
+-out_unlock:
+- inode_unlock(inode);
+- mnt_drop_write_file(filp);
+ return err;
+ }
+ #else
+@@ -592,6 +584,30 @@ static int ext4_ioc_getfsmap(struct super_block *sb,
+ return 0;
+ }
+
++static int ext4_ioctl_check_project(struct inode *inode, struct fsxattr *fa)
++{
++ /*
++ * Project Quota ID state is only allowed to change from within the init
++ * namespace. Enforce that restriction only if we are trying to change
++ * the quota ID state. Everything else is allowed in user namespaces.
++ */
++ if (current_user_ns() == &init_user_ns)
++ return 0;
++
++ if (__kprojid_val(EXT4_I(inode)->i_projid) != fa->fsx_projid)
++ return -EINVAL;
++
++ if (ext4_test_inode_flag(inode, EXT4_INODE_PROJINHERIT)) {
++ if (!(fa->fsx_xflags & FS_XFLAG_PROJINHERIT))
++ return -EINVAL;
++ } else {
++ if (fa->fsx_xflags & FS_XFLAG_PROJINHERIT)
++ return -EINVAL;
++ }
++
++ return 0;
++}
++
+ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = file_inode(filp);
+@@ -1029,19 +1045,19 @@ resizefs_out:
+ return err;
+
+ inode_lock(inode);
++ err = ext4_ioctl_check_project(inode, &fa);
++ if (err)
++ goto out;
+ flags = (ei->i_flags & ~EXT4_FL_XFLAG_VISIBLE) |
+ (flags & EXT4_FL_XFLAG_VISIBLE);
+ err = ext4_ioctl_setflags(inode, flags);
+- inode_unlock(inode);
+- mnt_drop_write_file(filp);
+ if (err)
+- return err;
+-
++ goto out;
+ err = ext4_ioctl_setproject(filp, fa.fsx_projid);
+- if (err)
+- return err;
+-
+- return 0;
++out:
++ inode_unlock(inode);
++ mnt_drop_write_file(filp);
++ return err;
+ }
+ case EXT4_IOC_SHUTDOWN:
+ return ext4_shutdown(sb, arg);
+diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
+index 9bb36909ec92..cd8d481e0c48 100644
+--- a/fs/ext4/move_extent.c
++++ b/fs/ext4/move_extent.c
+@@ -526,9 +526,13 @@ mext_check_arguments(struct inode *orig_inode,
+ orig_inode->i_ino, donor_inode->i_ino);
+ return -EINVAL;
+ }
+- if (orig_eof < orig_start + *len - 1)
++ if (orig_eof <= orig_start)
++ *len = 0;
++ else if (orig_eof < orig_start + *len - 1)
+ *len = orig_eof - orig_start;
+- if (donor_eof < donor_start + *len - 1)
++ if (donor_eof <= donor_start)
++ *len = 0;
++ else if (donor_eof < donor_start + *len - 1)
+ *len = donor_eof - donor_start;
+ if (!*len) {
+ ext4_debug("ext4 move extent: len should not be 0 "
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index 9dbd27f7b778..46ad267ef6d6 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -855,6 +855,18 @@ static inline void ext4_quota_off_umount(struct super_block *sb)
+ for (type = 0; type < EXT4_MAXQUOTAS; type++)
+ ext4_quota_off(sb, type);
+ }
++
++/*
++ * This is a helper function which is used in the mount/remount
++ * codepaths (which holds s_umount) to fetch the quota file name.
++ */
++static inline char *get_qf_name(struct super_block *sb,
++ struct ext4_sb_info *sbi,
++ int type)
++{
++ return rcu_dereference_protected(sbi->s_qf_names[type],
++ lockdep_is_held(&sb->s_umount));
++}
+ #else
+ static inline void ext4_quota_off_umount(struct super_block *sb)
+ {
+@@ -907,7 +919,7 @@ static void ext4_put_super(struct super_block *sb)
+ percpu_free_rwsem(&sbi->s_journal_flag_rwsem);
+ #ifdef CONFIG_QUOTA
+ for (i = 0; i < EXT4_MAXQUOTAS; i++)
+- kfree(sbi->s_qf_names[i]);
++ kfree(get_qf_name(sb, sbi, i));
+ #endif
+
+ /* Debugging code just in case the in-memory inode orphan list
+@@ -1473,11 +1485,10 @@ static const char deprecated_msg[] =
+ static int set_qf_name(struct super_block *sb, int qtype, substring_t *args)
+ {
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+- char *qname;
++ char *qname, *old_qname = get_qf_name(sb, sbi, qtype);
+ int ret = -1;
+
+- if (sb_any_quota_loaded(sb) &&
+- !sbi->s_qf_names[qtype]) {
++ if (sb_any_quota_loaded(sb) && !old_qname) {
+ ext4_msg(sb, KERN_ERR,
+ "Cannot change journaled "
+ "quota options when quota turned on");
+@@ -1494,8 +1505,8 @@ static int set_qf_name(struct super_block *sb, int qtype, substring_t *args)
+ "Not enough memory for storing quotafile name");
+ return -1;
+ }
+- if (sbi->s_qf_names[qtype]) {
+- if (strcmp(sbi->s_qf_names[qtype], qname) == 0)
++ if (old_qname) {
++ if (strcmp(old_qname, qname) == 0)
+ ret = 1;
+ else
+ ext4_msg(sb, KERN_ERR,
+@@ -1508,7 +1519,7 @@ static int set_qf_name(struct super_block *sb, int qtype, substring_t *args)
+ "quotafile must be on filesystem root");
+ goto errout;
+ }
+- sbi->s_qf_names[qtype] = qname;
++ rcu_assign_pointer(sbi->s_qf_names[qtype], qname);
+ set_opt(sb, QUOTA);
+ return 1;
+ errout:
+@@ -1520,15 +1531,16 @@ static int clear_qf_name(struct super_block *sb, int qtype)
+ {
+
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
++ char *old_qname = get_qf_name(sb, sbi, qtype);
+
+- if (sb_any_quota_loaded(sb) &&
+- sbi->s_qf_names[qtype]) {
++ if (sb_any_quota_loaded(sb) && old_qname) {
+ ext4_msg(sb, KERN_ERR, "Cannot change journaled quota options"
+ " when quota turned on");
+ return -1;
+ }
+- kfree(sbi->s_qf_names[qtype]);
+- sbi->s_qf_names[qtype] = NULL;
++ rcu_assign_pointer(sbi->s_qf_names[qtype], NULL);
++ synchronize_rcu();
++ kfree(old_qname);
+ return 1;
+ }
+ #endif
+@@ -1901,7 +1913,7 @@ static int parse_options(char *options, struct super_block *sb,
+ int is_remount)
+ {
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+- char *p;
++ char *p, __maybe_unused *usr_qf_name, __maybe_unused *grp_qf_name;
+ substring_t args[MAX_OPT_ARGS];
+ int token;
+
+@@ -1932,11 +1944,13 @@ static int parse_options(char *options, struct super_block *sb,
+ "Cannot enable project quota enforcement.");
+ return 0;
+ }
+- if (sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) {
+- if (test_opt(sb, USRQUOTA) && sbi->s_qf_names[USRQUOTA])
++ usr_qf_name = get_qf_name(sb, sbi, USRQUOTA);
++ grp_qf_name = get_qf_name(sb, sbi, GRPQUOTA);
++ if (usr_qf_name || grp_qf_name) {
++ if (test_opt(sb, USRQUOTA) && usr_qf_name)
+ clear_opt(sb, USRQUOTA);
+
+- if (test_opt(sb, GRPQUOTA) && sbi->s_qf_names[GRPQUOTA])
++ if (test_opt(sb, GRPQUOTA) && grp_qf_name)
+ clear_opt(sb, GRPQUOTA);
+
+ if (test_opt(sb, GRPQUOTA) || test_opt(sb, USRQUOTA)) {
+@@ -1970,6 +1984,7 @@ static inline void ext4_show_quota_options(struct seq_file *seq,
+ {
+ #if defined(CONFIG_QUOTA)
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
++ char *usr_qf_name, *grp_qf_name;
+
+ if (sbi->s_jquota_fmt) {
+ char *fmtname = "";
+@@ -1988,11 +2003,14 @@ static inline void ext4_show_quota_options(struct seq_file *seq,
+ seq_printf(seq, ",jqfmt=%s", fmtname);
+ }
+
+- if (sbi->s_qf_names[USRQUOTA])
+- seq_show_option(seq, "usrjquota", sbi->s_qf_names[USRQUOTA]);
+-
+- if (sbi->s_qf_names[GRPQUOTA])
+- seq_show_option(seq, "grpjquota", sbi->s_qf_names[GRPQUOTA]);
++ rcu_read_lock();
++ usr_qf_name = rcu_dereference(sbi->s_qf_names[USRQUOTA]);
++ grp_qf_name = rcu_dereference(sbi->s_qf_names[GRPQUOTA]);
++ if (usr_qf_name)
++ seq_show_option(seq, "usrjquota", usr_qf_name);
++ if (grp_qf_name)
++ seq_show_option(seq, "grpjquota", grp_qf_name);
++ rcu_read_unlock();
+ #endif
+ }
+
+@@ -5038,6 +5056,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
+ int err = 0;
+ #ifdef CONFIG_QUOTA
+ int i, j;
++ char *to_free[EXT4_MAXQUOTAS];
+ #endif
+ char *orig_data = kstrdup(data, GFP_KERNEL);
+
+@@ -5054,8 +5073,9 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
+ old_opts.s_jquota_fmt = sbi->s_jquota_fmt;
+ for (i = 0; i < EXT4_MAXQUOTAS; i++)
+ if (sbi->s_qf_names[i]) {
+- old_opts.s_qf_names[i] = kstrdup(sbi->s_qf_names[i],
+- GFP_KERNEL);
++ char *qf_name = get_qf_name(sb, sbi, i);
++
++ old_opts.s_qf_names[i] = kstrdup(qf_name, GFP_KERNEL);
+ if (!old_opts.s_qf_names[i]) {
+ for (j = 0; j < i; j++)
+ kfree(old_opts.s_qf_names[j]);
+@@ -5277,9 +5297,12 @@ restore_opts:
+ #ifdef CONFIG_QUOTA
+ sbi->s_jquota_fmt = old_opts.s_jquota_fmt;
+ for (i = 0; i < EXT4_MAXQUOTAS; i++) {
+- kfree(sbi->s_qf_names[i]);
+- sbi->s_qf_names[i] = old_opts.s_qf_names[i];
++ to_free[i] = get_qf_name(sb, sbi, i);
++ rcu_assign_pointer(sbi->s_qf_names[i], old_opts.s_qf_names[i]);
+ }
++ synchronize_rcu();
++ for (i = 0; i < EXT4_MAXQUOTAS; i++)
++ kfree(to_free[i]);
+ #endif
+ kfree(orig_data);
+ return err;
+@@ -5469,7 +5492,7 @@ static int ext4_write_info(struct super_block *sb, int type)
+ */
+ static int ext4_quota_on_mount(struct super_block *sb, int type)
+ {
+- return dquot_quota_on_mount(sb, EXT4_SB(sb)->s_qf_names[type],
++ return dquot_quota_on_mount(sb, get_qf_name(sb, EXT4_SB(sb), type),
+ EXT4_SB(sb)->s_jquota_fmt, type);
+ }
+
+diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
+index e10bd73f0723..6fbb6d75318a 100644
+--- a/fs/f2fs/data.c
++++ b/fs/f2fs/data.c
+@@ -381,10 +381,10 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
+ }
+ bio_set_op_attrs(bio, fio->op, fio->op_flags);
+
+- __submit_bio(fio->sbi, bio, fio->type);
+-
+ if (!is_read_io(fio->op))
+ inc_page_count(fio->sbi, WB_DATA_TYPE(fio->page));
++
++ __submit_bio(fio->sbi, bio, fio->type);
+ return 0;
+ }
+
+@@ -2190,10 +2190,6 @@ static int f2fs_set_data_page_dirty(struct page *page)
+ if (!PageUptodate(page))
+ SetPageUptodate(page);
+
+- /* don't remain PG_checked flag which was set during GC */
+- if (is_cold_data(page))
+- clear_cold_data(page);
+-
+ if (f2fs_is_atomic_file(inode) && !f2fs_is_commit_atomic_write(inode)) {
+ if (!IS_ATOMIC_WRITTEN_PAGE(page)) {
+ register_inmem_page(inode, page);
+diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
+index 9626758bc762..765fadf954af 100644
+--- a/fs/f2fs/recovery.c
++++ b/fs/f2fs/recovery.c
+@@ -210,6 +210,7 @@ static void recover_inode(struct inode *inode, struct page *page)
+ inode->i_mtime.tv_nsec = le32_to_cpu(raw->i_mtime_nsec);
+
+ F2FS_I(inode)->i_advise = raw->i_advise;
++ F2FS_I(inode)->i_flags = le32_to_cpu(raw->i_flags);
+
+ if (file_enc_name(inode))
+ name = "<encrypted>";
+diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
+index eae35909fa51..7cda685296b2 100644
+--- a/fs/f2fs/super.c
++++ b/fs/f2fs/super.c
+@@ -1488,7 +1488,9 @@ static int f2fs_quota_off(struct super_block *sb, int type)
+ if (!inode || !igrab(inode))
+ return dquot_quota_off(sb, type);
+
+- f2fs_quota_sync(sb, type);
++ err = f2fs_quota_sync(sb, type);
++ if (err)
++ goto out_put;
+
+ err = dquot_quota_off(sb, type);
+ if (err)
+@@ -1507,9 +1509,20 @@ out_put:
+ void f2fs_quota_off_umount(struct super_block *sb)
+ {
+ int type;
++ int err;
+
+- for (type = 0; type < MAXQUOTAS; type++)
+- f2fs_quota_off(sb, type);
++ for (type = 0; type < MAXQUOTAS; type++) {
++ err = f2fs_quota_off(sb, type);
++ if (err) {
++ int ret = dquot_quota_off(sb, type);
++
++ f2fs_msg(sb, KERN_ERR,
++ "Fail to turn off disk quota "
++ "(type: %d, err: %d, ret:%d), Please "
++ "run fsck to fix it.", type, err, ret);
++ set_sbi_flag(F2FS_SB(sb), SBI_NEED_FSCK);
++ }
++ }
+ }
+
+ int f2fs_get_projid(struct inode *inode, kprojid_t *projid)
+diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
+index a3711f543405..28d6c65c8bb3 100644
+--- a/fs/gfs2/ops_fstype.c
++++ b/fs/gfs2/ops_fstype.c
+@@ -1352,6 +1352,9 @@ static struct dentry *gfs2_mount_meta(struct file_system_type *fs_type,
+ struct path path;
+ int error;
+
++ if (!dev_name || !*dev_name)
++ return ERR_PTR(-EINVAL);
++
+ error = kern_path(dev_name, LOOKUP_FOLLOW, &path);
+ if (error) {
+ pr_warn("path_lookup on %s returned error %d\n",
+diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
+index 4055f51617ef..fe4fe155b7fb 100644
+--- a/fs/jbd2/checkpoint.c
++++ b/fs/jbd2/checkpoint.c
+@@ -254,8 +254,8 @@ restart:
+ bh = jh2bh(jh);
+
+ if (buffer_locked(bh)) {
+- spin_unlock(&journal->j_list_lock);
+ get_bh(bh);
++ spin_unlock(&journal->j_list_lock);
+ wait_on_buffer(bh);
+ /* the journal_head may have gone by now */
+ BUFFER_TRACE(bh, "brelse");
+@@ -336,8 +336,8 @@ restart2:
+ jh = transaction->t_checkpoint_io_list;
+ bh = jh2bh(jh);
+ if (buffer_locked(bh)) {
+- spin_unlock(&journal->j_list_lock);
+ get_bh(bh);
++ spin_unlock(&journal->j_list_lock);
+ wait_on_buffer(bh);
+ /* the journal_head may have gone by now */
+ BUFFER_TRACE(bh, "brelse");
+diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
+index 33e01de576d2..bc00cc385b77 100644
+--- a/fs/jffs2/super.c
++++ b/fs/jffs2/super.c
+@@ -285,10 +285,8 @@ static int jffs2_fill_super(struct super_block *sb, void *data, int silent)
+ sb->s_fs_info = c;
+
+ ret = jffs2_parse_options(c, data);
+- if (ret) {
+- kfree(c);
++ if (ret)
+ return -EINVAL;
+- }
+
+ /* Initialize JFFS2 superblock locks, the further initialization will
+ * be done later */
+diff --git a/fs/lockd/host.c b/fs/lockd/host.c
+index 0d4e590e0549..c4504ed9f680 100644
+--- a/fs/lockd/host.c
++++ b/fs/lockd/host.c
+@@ -341,7 +341,7 @@ struct nlm_host *nlmsvc_lookup_host(const struct svc_rqst *rqstp,
+ };
+ struct lockd_net *ln = net_generic(net, lockd_net_id);
+
+- dprintk("lockd: %s(host='%*s', vers=%u, proto=%s)\n", __func__,
++ dprintk("lockd: %s(host='%.*s', vers=%u, proto=%s)\n", __func__,
+ (int)hostname_len, hostname, rqstp->rq_vers,
+ (rqstp->rq_prot == IPPROTO_UDP ? "udp" : "tcp"));
+
+diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
+index fb85d04fdc4c..fed9c8005c17 100644
+--- a/fs/nfs/nfs4client.c
++++ b/fs/nfs/nfs4client.c
+@@ -925,10 +925,10 @@ EXPORT_SYMBOL_GPL(nfs4_set_ds_client);
+
+ /*
+ * Session has been established, and the client marked ready.
+- * Set the mount rsize and wsize with negotiated fore channel
+- * attributes which will be bound checked in nfs_server_set_fsinfo.
++ * Limit the mount rsize, wsize and dtsize using negotiated fore
++ * channel attributes.
+ */
+-static void nfs4_session_set_rwsize(struct nfs_server *server)
++static void nfs4_session_limit_rwsize(struct nfs_server *server)
+ {
+ #ifdef CONFIG_NFS_V4_1
+ struct nfs4_session *sess;
+@@ -941,9 +941,11 @@ static void nfs4_session_set_rwsize(struct nfs_server *server)
+ server_resp_sz = sess->fc_attrs.max_resp_sz - nfs41_maxread_overhead;
+ server_rqst_sz = sess->fc_attrs.max_rqst_sz - nfs41_maxwrite_overhead;
+
+- if (!server->rsize || server->rsize > server_resp_sz)
++ if (server->dtsize > server_resp_sz)
++ server->dtsize = server_resp_sz;
++ if (server->rsize > server_resp_sz)
+ server->rsize = server_resp_sz;
+- if (!server->wsize || server->wsize > server_rqst_sz)
++ if (server->wsize > server_rqst_sz)
+ server->wsize = server_rqst_sz;
+ #endif /* CONFIG_NFS_V4_1 */
+ }
+@@ -990,12 +992,12 @@ static int nfs4_server_common_setup(struct nfs_server *server,
+ (unsigned long long) server->fsid.minor);
+ nfs_display_fhandle(mntfh, "Pseudo-fs root FH");
+
+- nfs4_session_set_rwsize(server);
+-
+ error = nfs_probe_fsinfo(server, mntfh, fattr);
+ if (error < 0)
+ goto out;
+
++ nfs4_session_limit_rwsize(server);
++
+ if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN)
+ server->namelen = NFS4_MAXNAMLEN;
+
+diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
+index d0543e19098a..37f20d7a26ed 100644
+--- a/fs/nfs/pagelist.c
++++ b/fs/nfs/pagelist.c
+@@ -1110,6 +1110,20 @@ static int nfs_pageio_add_request_mirror(struct nfs_pageio_descriptor *desc,
+ return ret;
+ }
+
++static void nfs_pageio_error_cleanup(struct nfs_pageio_descriptor *desc)
++{
++ u32 midx;
++ struct nfs_pgio_mirror *mirror;
++
++ if (!desc->pg_error)
++ return;
++
++ for (midx = 0; midx < desc->pg_mirror_count; midx++) {
++ mirror = &desc->pg_mirrors[midx];
++ desc->pg_completion_ops->error_cleanup(&mirror->pg_list);
++ }
++}
++
+ int nfs_pageio_add_request(struct nfs_pageio_descriptor *desc,
+ struct nfs_page *req)
+ {
+@@ -1160,25 +1174,11 @@ int nfs_pageio_add_request(struct nfs_pageio_descriptor *desc,
+ return 1;
+
+ out_failed:
+- /*
+- * We might have failed before sending any reqs over wire.
+- * Clean up rest of the reqs in mirror pg_list.
+- */
+- if (desc->pg_error) {
+- struct nfs_pgio_mirror *mirror;
+- void (*func)(struct list_head *);
+-
+- /* remember fatal errors */
+- if (nfs_error_is_fatal(desc->pg_error))
+- nfs_context_set_write_error(req->wb_context,
+- desc->pg_error);
+-
+- func = desc->pg_completion_ops->error_cleanup;
+- for (midx = 0; midx < desc->pg_mirror_count; midx++) {
+- mirror = &desc->pg_mirrors[midx];
+- func(&mirror->pg_list);
+- }
+- }
++ /* remember fatal errors */
++ if (nfs_error_is_fatal(desc->pg_error))
++ nfs_context_set_write_error(req->wb_context,
++ desc->pg_error);
++ nfs_pageio_error_cleanup(desc);
+ return 0;
+ }
+
+@@ -1250,6 +1250,8 @@ void nfs_pageio_complete(struct nfs_pageio_descriptor *desc)
+ for (midx = 0; midx < desc->pg_mirror_count; midx++)
+ nfs_pageio_complete_mirror(desc, midx);
+
++ if (desc->pg_error < 0)
++ nfs_pageio_error_cleanup(desc);
+ if (desc->pg_ops->pg_cleanup)
+ desc->pg_ops->pg_cleanup(desc);
+ nfs_pageio_cleanup_mirroring(desc);
+diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
+index 519522d39bde..2b47757c9c68 100644
+--- a/fs/proc/task_mmu.c
++++ b/fs/proc/task_mmu.c
+@@ -768,6 +768,8 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
+ smaps_walk.private = mss;
+
+ #ifdef CONFIG_SHMEM
++ /* In case of smaps_rollup, reset the value from previous vma */
++ mss->check_shmem_swap = false;
+ if (vma->vm_file && shmem_mapping(vma->vm_file->f_mapping)) {
+ /*
+ * For shared or readonly shmem mappings we know that all
+@@ -783,7 +785,7 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
+
+ if (!shmem_swapped || (vma->vm_flags & VM_SHARED) ||
+ !(vma->vm_flags & VM_WRITE)) {
+- mss->swap = shmem_swapped;
++ mss->swap += shmem_swapped;
+ } else {
+ mss->check_shmem_swap = true;
+ smaps_walk.pte_hole = smaps_pte_hole;
+diff --git a/include/linux/compat.h b/include/linux/compat.h
+index 3e838a828459..23909d12f729 100644
+--- a/include/linux/compat.h
++++ b/include/linux/compat.h
+@@ -68,6 +68,9 @@ typedef struct compat_sigaltstack {
+ compat_size_t ss_size;
+ } compat_stack_t;
+ #endif
++#ifndef COMPAT_MINSIGSTKSZ
++#define COMPAT_MINSIGSTKSZ MINSIGSTKSZ
++#endif
+
+ #define compat_jiffies_to_clock_t(x) \
+ (((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
+diff --git a/include/linux/signal.h b/include/linux/signal.h
+index 042968dd98f0..843bd62b1ead 100644
+--- a/include/linux/signal.h
++++ b/include/linux/signal.h
+@@ -34,7 +34,7 @@ enum siginfo_layout {
+ #endif
+ };
+
+-enum siginfo_layout siginfo_layout(int sig, int si_code);
++enum siginfo_layout siginfo_layout(unsigned sig, int si_code);
+
+ /*
+ * Define some primitives to manipulate sigset_t.
+diff --git a/include/linux/tc.h b/include/linux/tc.h
+index f92511e57cdb..a60639f37963 100644
+--- a/include/linux/tc.h
++++ b/include/linux/tc.h
+@@ -84,6 +84,7 @@ struct tc_dev {
+ device. */
+ struct device dev; /* Generic device interface. */
+ struct resource resource; /* Address space of this device. */
++ u64 dma_mask; /* DMA addressable range. */
+ char vendor[9];
+ char name[9];
+ char firmware[9];
+diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h
+index 3f03567631cb..145f242c7c90 100644
+--- a/include/uapi/linux/ndctl.h
++++ b/include/uapi/linux/ndctl.h
+@@ -176,37 +176,31 @@ enum {
+
+ static inline const char *nvdimm_bus_cmd_name(unsigned cmd)
+ {
+- static const char * const names[] = {
+- [ND_CMD_ARS_CAP] = "ars_cap",
+- [ND_CMD_ARS_START] = "ars_start",
+- [ND_CMD_ARS_STATUS] = "ars_status",
+- [ND_CMD_CLEAR_ERROR] = "clear_error",
+- [ND_CMD_CALL] = "cmd_call",
+- };
+-
+- if (cmd < ARRAY_SIZE(names) && names[cmd])
+- return names[cmd];
+- return "unknown";
++ switch (cmd) {
++ case ND_CMD_ARS_CAP: return "ars_cap";
++ case ND_CMD_ARS_START: return "ars_start";
++ case ND_CMD_ARS_STATUS: return "ars_status";
++ case ND_CMD_CLEAR_ERROR: return "clear_error";
++ case ND_CMD_CALL: return "cmd_call";
++ default: return "unknown";
++ }
+ }
+
+ static inline const char *nvdimm_cmd_name(unsigned cmd)
+ {
+- static const char * const names[] = {
+- [ND_CMD_SMART] = "smart",
+- [ND_CMD_SMART_THRESHOLD] = "smart_thresh",
+- [ND_CMD_DIMM_FLAGS] = "flags",
+- [ND_CMD_GET_CONFIG_SIZE] = "get_size",
+- [ND_CMD_GET_CONFIG_DATA] = "get_data",
+- [ND_CMD_SET_CONFIG_DATA] = "set_data",
+- [ND_CMD_VENDOR_EFFECT_LOG_SIZE] = "effect_size",
+- [ND_CMD_VENDOR_EFFECT_LOG] = "effect_log",
+- [ND_CMD_VENDOR] = "vendor",
+- [ND_CMD_CALL] = "cmd_call",
+- };
+-
+- if (cmd < ARRAY_SIZE(names) && names[cmd])
+- return names[cmd];
+- return "unknown";
++ switch (cmd) {
++ case ND_CMD_SMART: return "smart";
++ case ND_CMD_SMART_THRESHOLD: return "smart_thresh";
++ case ND_CMD_DIMM_FLAGS: return "flags";
++ case ND_CMD_GET_CONFIG_SIZE: return "get_size";
++ case ND_CMD_GET_CONFIG_DATA: return "get_data";
++ case ND_CMD_SET_CONFIG_DATA: return "set_data";
++ case ND_CMD_VENDOR_EFFECT_LOG_SIZE: return "effect_size";
++ case ND_CMD_VENDOR_EFFECT_LOG: return "effect_log";
++ case ND_CMD_VENDOR: return "vendor";
++ case ND_CMD_CALL: return "cmd_call";
++ default: return "unknown";
++ }
+ }
+
+ #define ND_IOCTL 'N'
+diff --git a/kernel/bounds.c b/kernel/bounds.c
+index c373e887c066..9795d75b09b2 100644
+--- a/kernel/bounds.c
++++ b/kernel/bounds.c
+@@ -13,7 +13,7 @@
+ #include <linux/log2.h>
+ #include <linux/spinlock_types.h>
+
+-void foo(void)
++int main(void)
+ {
+ /* The enum constants to put into include/generated/bounds.h */
+ DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
+@@ -23,4 +23,6 @@ void foo(void)
+ #endif
+ DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
+ /* End of constants */
++
++ return 0;
+ }
+diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
+index ea22d0b6a9f0..5c9deed4524e 100644
+--- a/kernel/bpf/syscall.c
++++ b/kernel/bpf/syscall.c
+@@ -519,6 +519,17 @@ err_put:
+ return err;
+ }
+
++static void maybe_wait_bpf_programs(struct bpf_map *map)
++{
++ /* Wait for any running BPF programs to complete so that
++ * userspace, when we return to it, knows that all programs
++ * that could be running use the new map value.
++ */
++ if (map->map_type == BPF_MAP_TYPE_HASH_OF_MAPS ||
++ map->map_type == BPF_MAP_TYPE_ARRAY_OF_MAPS)
++ synchronize_rcu();
++}
++
+ #define BPF_MAP_UPDATE_ELEM_LAST_FIELD flags
+
+ static int map_update_elem(union bpf_attr *attr)
+@@ -592,6 +603,7 @@ static int map_update_elem(union bpf_attr *attr)
+ }
+ __this_cpu_dec(bpf_prog_active);
+ preempt_enable();
++ maybe_wait_bpf_programs(map);
+
+ if (!err)
+ trace_bpf_map_update_elem(map, ufd, key, value);
+@@ -636,6 +648,7 @@ static int map_delete_elem(union bpf_attr *attr)
+ rcu_read_unlock();
+ __this_cpu_dec(bpf_prog_active);
+ preempt_enable();
++ maybe_wait_bpf_programs(map);
+
+ if (!err)
+ trace_bpf_map_delete_elem(map, ufd, key);
+diff --git a/kernel/cpu.c b/kernel/cpu.c
+index f3f389e33343..90cf6a04e08a 100644
+--- a/kernel/cpu.c
++++ b/kernel/cpu.c
+@@ -2045,6 +2045,12 @@ static void cpuhp_online_cpu_device(unsigned int cpu)
+ kobject_uevent(&dev->kobj, KOBJ_ONLINE);
+ }
+
++/*
++ * Architectures that need SMT-specific errata handling during SMT hotplug
++ * should override this.
++ */
++void __weak arch_smt_update(void) { };
++
+ static int cpuhp_smt_disable(enum cpuhp_smt_control ctrlval)
+ {
+ int cpu, ret = 0;
+@@ -2071,8 +2077,10 @@ static int cpuhp_smt_disable(enum cpuhp_smt_control ctrlval)
+ */
+ cpuhp_offline_cpu_device(cpu);
+ }
+- if (!ret)
++ if (!ret) {
+ cpu_smt_control = ctrlval;
++ arch_smt_update();
++ }
+ cpu_maps_update_done();
+ return ret;
+ }
+@@ -2083,6 +2091,7 @@ static int cpuhp_smt_enable(void)
+
+ cpu_maps_update_begin();
+ cpu_smt_control = CPU_SMT_ENABLED;
++ arch_smt_update();
+ for_each_present_cpu(cpu) {
+ /* Skip online CPUs and CPUs on offline nodes */
+ if (cpu_online(cpu) || !node_online(cpu_to_node(cpu)))
+diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
+index 069311541577..4cd85870f00e 100644
+--- a/kernel/irq/manage.c
++++ b/kernel/irq/manage.c
+@@ -882,6 +882,9 @@ irq_forced_thread_fn(struct irq_desc *desc, struct irqaction *action)
+
+ local_bh_disable();
+ ret = action->thread_fn(action->irq, action->dev_id);
++ if (ret == IRQ_HANDLED)
++ atomic_inc(&desc->threads_handled);
++
+ irq_finalize_oneshot(desc, action);
+ local_bh_enable();
+ return ret;
+@@ -898,6 +901,9 @@ static irqreturn_t irq_thread_fn(struct irq_desc *desc,
+ irqreturn_t ret;
+
+ ret = action->thread_fn(action->irq, action->dev_id);
++ if (ret == IRQ_HANDLED)
++ atomic_inc(&desc->threads_handled);
++
+ irq_finalize_oneshot(desc, action);
+ return ret;
+ }
+@@ -975,8 +981,6 @@ static int irq_thread(void *data)
+ irq_thread_check_affinity(desc, action);
+
+ action_ret = handler_fn(desc, action);
+- if (action_ret == IRQ_HANDLED)
+- atomic_inc(&desc->threads_handled);
+ if (action_ret == IRQ_WAKE_THREAD)
+ irq_wake_secondary(desc, action);
+
+diff --git a/kernel/kprobes.c b/kernel/kprobes.c
+index 5c90765d37e7..5cbad4fb9107 100644
+--- a/kernel/kprobes.c
++++ b/kernel/kprobes.c
+@@ -700,9 +700,10 @@ static void unoptimize_kprobe(struct kprobe *p, bool force)
+ }
+
+ /* Cancel unoptimizing for reusing */
+-static void reuse_unused_kprobe(struct kprobe *ap)
++static int reuse_unused_kprobe(struct kprobe *ap)
+ {
+ struct optimized_kprobe *op;
++ int ret;
+
+ BUG_ON(!kprobe_unused(ap));
+ /*
+@@ -716,8 +717,12 @@ static void reuse_unused_kprobe(struct kprobe *ap)
+ /* Enable the probe again */
+ ap->flags &= ~KPROBE_FLAG_DISABLED;
+ /* Optimize it again (remove from op->list) */
+- BUG_ON(!kprobe_optready(ap));
++ ret = kprobe_optready(ap);
++ if (ret)
++ return ret;
++
+ optimize_kprobe(ap);
++ return 0;
+ }
+
+ /* Remove optimized instructions */
+@@ -942,11 +947,16 @@ static void __disarm_kprobe(struct kprobe *p, bool reopt)
+ #define kprobe_disarmed(p) kprobe_disabled(p)
+ #define wait_for_kprobe_optimizer() do {} while (0)
+
+-/* There should be no unused kprobes can be reused without optimization */
+-static void reuse_unused_kprobe(struct kprobe *ap)
++static int reuse_unused_kprobe(struct kprobe *ap)
+ {
++ /*
++ * If the optimized kprobe is NOT supported, the aggr kprobe is
++ * released at the same time that the last aggregated kprobe is
++ * unregistered.
++ * Thus there should be no chance to reuse unused kprobe.
++ */
+ printk(KERN_ERR "Error: There should be no unused kprobe here.\n");
+- BUG_ON(kprobe_unused(ap));
++ return -EINVAL;
+ }
+
+ static void free_aggr_kprobe(struct kprobe *p)
+@@ -1320,9 +1330,12 @@ static int register_aggr_kprobe(struct kprobe *orig_p, struct kprobe *p)
+ goto out;
+ }
+ init_aggr_kprobe(ap, orig_p);
+- } else if (kprobe_unused(ap))
++ } else if (kprobe_unused(ap)) {
+ /* This probe is going to die. Rescue it */
+- reuse_unused_kprobe(ap);
++ ret = reuse_unused_kprobe(ap);
++ if (ret)
++ goto out;
++ }
+
+ if (kprobe_gone(ap)) {
+ /*
+diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
+index d7c155048ea9..bf694c709b96 100644
+--- a/kernel/locking/lockdep.c
++++ b/kernel/locking/lockdep.c
+@@ -4215,7 +4215,7 @@ void lock_contended(struct lockdep_map *lock, unsigned long ip)
+ {
+ unsigned long flags;
+
+- if (unlikely(!lock_stat))
++ if (unlikely(!lock_stat || !debug_locks))
+ return;
+
+ if (unlikely(current->lockdep_recursion))
+@@ -4235,7 +4235,7 @@ void lock_acquired(struct lockdep_map *lock, unsigned long ip)
+ {
+ unsigned long flags;
+
+- if (unlikely(!lock_stat))
++ if (unlikely(!lock_stat || !debug_locks))
+ return;
+
+ if (unlikely(current->lockdep_recursion))
+diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
+index f0223a7d9ed1..7161312593dd 100644
+--- a/kernel/printk/printk.c
++++ b/kernel/printk/printk.c
+@@ -1043,7 +1043,12 @@ static void __init log_buf_len_update(unsigned size)
+ /* save requested log_buf_len since it's too early to process it */
+ static int __init log_buf_len_setup(char *str)
+ {
+- unsigned size = memparse(str, &str);
++ unsigned int size;
++
++ if (!str)
++ return -EINVAL;
++
++ size = memparse(str, &str);
+
+ log_buf_len_update(size);
+
+diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
+index 19bfa21f7197..2d4d79420e36 100644
+--- a/kernel/sched/fair.c
++++ b/kernel/sched/fair.c
+@@ -3825,7 +3825,7 @@ dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
+ * put back on, and if we advance min_vruntime, we'll be placed back
+ * further than we started -- ie. we'll be penalized.
+ */
+- if ((flags & (DEQUEUE_SAVE | DEQUEUE_MOVE)) == DEQUEUE_SAVE)
++ if ((flags & (DEQUEUE_SAVE | DEQUEUE_MOVE)) != DEQUEUE_SAVE)
+ update_min_vruntime(cfs_rq);
+ }
+
+diff --git a/kernel/signal.c b/kernel/signal.c
+index 4439ba9dc5d9..164c36ef0825 100644
+--- a/kernel/signal.c
++++ b/kernel/signal.c
+@@ -1003,7 +1003,7 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t,
+
+ result = TRACE_SIGNAL_IGNORED;
+ if (!prepare_signal(sig, t,
+- from_ancestor_ns || (info == SEND_SIG_FORCED)))
++ from_ancestor_ns || (info == SEND_SIG_PRIV) || (info == SEND_SIG_FORCED)))
+ goto ret;
+
+ pending = group ? &t->signal->shared_pending : &t->pending;
+@@ -2700,7 +2700,7 @@ COMPAT_SYSCALL_DEFINE2(rt_sigpending, compat_sigset_t __user *, uset,
+ }
+ #endif
+
+-enum siginfo_layout siginfo_layout(int sig, int si_code)
++enum siginfo_layout siginfo_layout(unsigned sig, int si_code)
+ {
+ enum siginfo_layout layout = SIL_KILL;
+ if ((si_code > SI_USER) && (si_code < SI_KERNEL)) {
+@@ -3215,7 +3215,8 @@ int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
+ }
+
+ static int
+-do_sigaltstack (const stack_t *ss, stack_t *oss, unsigned long sp)
++do_sigaltstack (const stack_t *ss, stack_t *oss, unsigned long sp,
++ size_t min_ss_size)
+ {
+ struct task_struct *t = current;
+
+@@ -3245,7 +3246,7 @@ do_sigaltstack (const stack_t *ss, stack_t *oss, unsigned long sp)
+ ss_size = 0;
+ ss_sp = NULL;
+ } else {
+- if (unlikely(ss_size < MINSIGSTKSZ))
++ if (unlikely(ss_size < min_ss_size))
+ return -ENOMEM;
+ }
+
+@@ -3263,7 +3264,8 @@ SYSCALL_DEFINE2(sigaltstack,const stack_t __user *,uss, stack_t __user *,uoss)
+ if (uss && copy_from_user(&new, uss, sizeof(stack_t)))
+ return -EFAULT;
+ err = do_sigaltstack(uss ? &new : NULL, uoss ? &old : NULL,
+- current_user_stack_pointer());
++ current_user_stack_pointer(),
++ MINSIGSTKSZ);
+ if (!err && uoss && copy_to_user(uoss, &old, sizeof(stack_t)))
+ err = -EFAULT;
+ return err;
+@@ -3274,7 +3276,8 @@ int restore_altstack(const stack_t __user *uss)
+ stack_t new;
+ if (copy_from_user(&new, uss, sizeof(stack_t)))
+ return -EFAULT;
+- (void)do_sigaltstack(&new, NULL, current_user_stack_pointer());
++ (void)do_sigaltstack(&new, NULL, current_user_stack_pointer(),
++ MINSIGSTKSZ);
+ /* squash all but EFAULT for now */
+ return 0;
+ }
+@@ -3309,7 +3312,8 @@ COMPAT_SYSCALL_DEFINE2(sigaltstack,
+ uss.ss_size = uss32.ss_size;
+ }
+ ret = do_sigaltstack(uss_ptr ? &uss : NULL, &uoss,
+- compat_user_stack_pointer());
++ compat_user_stack_pointer(),
++ COMPAT_MINSIGSTKSZ);
+ if (ret >= 0 && uoss_ptr) {
+ compat_stack_t old;
+ memset(&old, 0, sizeof(old));
+diff --git a/lib/debug_locks.c b/lib/debug_locks.c
+index 96c4c633d95e..124fdf238b3d 100644
+--- a/lib/debug_locks.c
++++ b/lib/debug_locks.c
+@@ -37,7 +37,7 @@ EXPORT_SYMBOL_GPL(debug_locks_silent);
+ */
+ int debug_locks_off(void)
+ {
+- if (__debug_locks_off()) {
++ if (debug_locks && __debug_locks_off()) {
+ if (!debug_locks_silent) {
+ console_verbose();
+ return 1;
+diff --git a/mm/hugetlb.c b/mm/hugetlb.c
+index 9801dc0250e2..e073099083ca 100644
+--- a/mm/hugetlb.c
++++ b/mm/hugetlb.c
+@@ -3644,6 +3644,12 @@ int huge_add_to_page_cache(struct page *page, struct address_space *mapping,
+ return err;
+ ClearPagePrivate(page);
+
++ /*
++ * set page dirty so that it will not be removed from cache/file
++ * by non-hugetlbfs specific code paths.
++ */
++ set_page_dirty(page);
++
+ spin_lock(&inode->i_lock);
+ inode->i_blocks += blocks_per_huge_page(h);
+ spin_unlock(&inode->i_lock);
+diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c
+index 956015614395..e00d985a51c5 100644
+--- a/mm/page_vma_mapped.c
++++ b/mm/page_vma_mapped.c
+@@ -21,7 +21,29 @@ static bool map_pte(struct page_vma_mapped_walk *pvmw)
+ if (!is_swap_pte(*pvmw->pte))
+ return false;
+ } else {
+- if (!pte_present(*pvmw->pte))
++ /*
++ * We get here when we are trying to unmap a private
++ * device page from the process address space. Such
++ * page is not CPU accessible and thus is mapped as
++ * a special swap entry, nonetheless it still does
++ * count as a valid regular mapping for the page (and
++ * is accounted as such in page maps count).
++ *
++ * So handle this special case as if it was a normal
++ * page mapping ie lock CPU page table and returns
++ * true.
++ *
++ * For more details on device private memory see HMM
++ * (include/linux/hmm.h or mm/hmm.c).
++ */
++ if (is_swap_pte(*pvmw->pte)) {
++ swp_entry_t entry;
++
++ /* Handle un-addressable ZONE_DEVICE memory */
++ entry = pte_to_swp_entry(*pvmw->pte);
++ if (!is_device_private_entry(entry))
++ return false;
++ } else if (!pte_present(*pvmw->pte))
+ return false;
+ }
+ }
+diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c
+index 5e4f04004a49..7bf833598615 100644
+--- a/net/core/netclassid_cgroup.c
++++ b/net/core/netclassid_cgroup.c
+@@ -106,6 +106,7 @@ static int write_classid(struct cgroup_subsys_state *css, struct cftype *cft,
+ iterate_fd(p->files, 0, update_classid_sock,
+ (void *)(unsigned long)cs->classid);
+ task_unlock(p);
++ cond_resched();
+ }
+ css_task_iter_end(&it);
+
+diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
+index 82178cc69c96..777fa3b7fb13 100644
+--- a/net/ipv4/cipso_ipv4.c
++++ b/net/ipv4/cipso_ipv4.c
+@@ -1512,7 +1512,7 @@ static int cipso_v4_parsetag_loc(const struct cipso_v4_doi *doi_def,
+ *
+ * Description:
+ * Parse the packet's IP header looking for a CIPSO option. Returns a pointer
+- * to the start of the CIPSO option on success, NULL if one if not found.
++ * to the start of the CIPSO option on success, NULL if one is not found.
+ *
+ */
+ unsigned char *cipso_v4_optptr(const struct sk_buff *skb)
+@@ -1522,10 +1522,8 @@ unsigned char *cipso_v4_optptr(const struct sk_buff *skb)
+ int optlen;
+ int taglen;
+
+- for (optlen = iph->ihl*4 - sizeof(struct iphdr); optlen > 0; ) {
++ for (optlen = iph->ihl*4 - sizeof(struct iphdr); optlen > 1; ) {
+ switch (optptr[0]) {
+- case IPOPT_CIPSO:
+- return optptr;
+ case IPOPT_END:
+ return NULL;
+ case IPOPT_NOOP:
+@@ -1534,6 +1532,11 @@ unsigned char *cipso_v4_optptr(const struct sk_buff *skb)
+ default:
+ taglen = optptr[1];
+ }
++ if (!taglen || taglen > optlen)
++ return NULL;
++ if (optptr[0] == IPOPT_CIPSO)
++ return optptr;
++
+ optlen -= taglen;
+ optptr += taglen;
+ }
+diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
+index 691ca96f7460..7b4270987ac1 100644
+--- a/net/sched/sch_api.c
++++ b/net/sched/sch_api.c
+@@ -1218,7 +1218,6 @@ check_loop_fn(struct Qdisc *q, unsigned long cl, struct qdisc_walker *w)
+
+ const struct nla_policy rtm_tca_policy[TCA_MAX + 1] = {
+ [TCA_KIND] = { .type = NLA_STRING },
+- [TCA_OPTIONS] = { .type = NLA_NESTED },
+ [TCA_RATE] = { .type = NLA_BINARY,
+ .len = sizeof(struct tc_estimator) },
+ [TCA_STAB] = { .type = NLA_NESTED },
+diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
+index d16a8b423c20..ea7b5a3a53f0 100644
+--- a/net/sunrpc/svc_xprt.c
++++ b/net/sunrpc/svc_xprt.c
+@@ -1040,7 +1040,7 @@ static void call_xpt_users(struct svc_xprt *xprt)
+ spin_lock(&xprt->xpt_lock);
+ while (!list_empty(&xprt->xpt_users)) {
+ u = list_first_entry(&xprt->xpt_users, struct svc_xpt_user, list);
+- list_del(&u->list);
++ list_del_init(&u->list);
+ u->callback(u);
+ }
+ spin_unlock(&xprt->xpt_lock);
+diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
+index 37c32e73aaef..70ec57b887f6 100644
+--- a/net/xfrm/xfrm_policy.c
++++ b/net/xfrm/xfrm_policy.c
+@@ -626,9 +626,9 @@ static void xfrm_hash_rebuild(struct work_struct *work)
+ break;
+ }
+ if (newpos)
+- hlist_add_behind(&policy->bydst, newpos);
++ hlist_add_behind_rcu(&policy->bydst, newpos);
+ else
+- hlist_add_head(&policy->bydst, chain);
++ hlist_add_head_rcu(&policy->bydst, chain);
+ }
+
+ spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
+@@ -767,9 +767,9 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
+ break;
+ }
+ if (newpos)
+- hlist_add_behind(&policy->bydst, newpos);
++ hlist_add_behind_rcu(&policy->bydst, newpos);
+ else
+- hlist_add_head(&policy->bydst, chain);
++ hlist_add_head_rcu(&policy->bydst, chain);
+ __xfrm_policy_link(policy, dir);
+
+ /* After previous checking, family can either be AF_INET or AF_INET6 */
+diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
+index ad491c51e833..2c4e83f6409e 100644
+--- a/security/integrity/ima/ima_fs.c
++++ b/security/integrity/ima/ima_fs.c
+@@ -39,14 +39,14 @@ static int __init default_canonical_fmt_setup(char *str)
+ __setup("ima_canonical_fmt", default_canonical_fmt_setup);
+
+ static int valid_policy = 1;
+-#define TMPBUFLEN 12
++
+ static ssize_t ima_show_htable_value(char __user *buf, size_t count,
+ loff_t *ppos, atomic_long_t *val)
+ {
+- char tmpbuf[TMPBUFLEN];
++ char tmpbuf[32]; /* greater than largest 'long' string value */
+ ssize_t len;
+
+- len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read(val));
++ len = scnprintf(tmpbuf, sizeof(tmpbuf), "%li\n", atomic_long_read(val));
+ return simple_read_from_buffer(buf, count, ppos, tmpbuf, len);
+ }
+
+diff --git a/sound/pci/ca0106/ca0106.h b/sound/pci/ca0106/ca0106.h
+index 04402c14cb23..9847b669cf3c 100644
+--- a/sound/pci/ca0106/ca0106.h
++++ b/sound/pci/ca0106/ca0106.h
+@@ -582,7 +582,7 @@
+ #define SPI_PL_BIT_R_R (2<<7) /* right channel = right */
+ #define SPI_PL_BIT_R_C (3<<7) /* right channel = (L+R)/2 */
+ #define SPI_IZD_REG 2
+-#define SPI_IZD_BIT (1<<4) /* infinite zero detect */
++#define SPI_IZD_BIT (0<<4) /* infinite zero detect */
+
+ #define SPI_FMT_REG 3
+ #define SPI_FMT_BIT_RJ (0<<0) /* right justified mode */
+diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h
+index a68e75b00ea3..53c3cd28bc99 100644
+--- a/sound/pci/hda/hda_controller.h
++++ b/sound/pci/hda/hda_controller.h
+@@ -160,6 +160,7 @@ struct azx {
+ unsigned int msi:1;
+ unsigned int probing:1; /* codec probing phase */
+ unsigned int snoop:1;
++ unsigned int uc_buffer:1; /* non-cached pages for stream buffers */
+ unsigned int align_buffer_size:1;
+ unsigned int region_requested:1;
+ unsigned int disabled:1; /* disabled by vga_switcheroo */
+diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
+index 873d9824fbcf..4e38905bc47d 100644
+--- a/sound/pci/hda/hda_intel.c
++++ b/sound/pci/hda/hda_intel.c
+@@ -410,7 +410,7 @@ static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool
+ #ifdef CONFIG_SND_DMA_SGBUF
+ if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
+ struct snd_sg_buf *sgbuf = dmab->private_data;
+- if (chip->driver_type == AZX_DRIVER_CMEDIA)
++ if (!chip->uc_buffer)
+ return; /* deal with only CORB/RIRB buffers */
+ if (on)
+ set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
+@@ -1634,6 +1634,7 @@ static void azx_check_snoop_available(struct azx *chip)
+ dev_info(chip->card->dev, "Force to %s mode by module option\n",
+ snoop ? "snoop" : "non-snoop");
+ chip->snoop = snoop;
++ chip->uc_buffer = !snoop;
+ return;
+ }
+
+@@ -1654,8 +1655,12 @@ static void azx_check_snoop_available(struct azx *chip)
+ snoop = false;
+
+ chip->snoop = snoop;
+- if (!snoop)
++ if (!snoop) {
+ dev_info(chip->card->dev, "Force to non-snoop mode\n");
++ /* C-Media requires non-cached pages only for CORB/RIRB */
++ if (chip->driver_type != AZX_DRIVER_CMEDIA)
++ chip->uc_buffer = true;
++ }
+ }
+
+ static void azx_probe_work(struct work_struct *work)
+@@ -2094,7 +2099,7 @@ static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
+ #ifdef CONFIG_X86
+ struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
+ struct azx *chip = apcm->chip;
+- if (!azx_snoop(chip) && chip->driver_type != AZX_DRIVER_CMEDIA)
++ if (chip->uc_buffer)
+ area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
+ #endif
+ }
+diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
+index 16197ad4512a..0cc0ced1f2ed 100644
+--- a/sound/pci/hda/patch_conexant.c
++++ b/sound/pci/hda/patch_conexant.c
+@@ -981,6 +981,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
+ SND_PCI_QUIRK(0x17aa, 0x21da, "Lenovo X220", CXT_PINCFG_LENOVO_TP410),
+ SND_PCI_QUIRK(0x17aa, 0x21db, "Lenovo X220-tablet", CXT_PINCFG_LENOVO_TP410),
+ SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo IdeaPad Z560", CXT_FIXUP_MUTE_LED_EAPD),
++ SND_PCI_QUIRK(0x17aa, 0x3905, "Lenovo G50-30", CXT_FIXUP_STEREO_DMIC),
+ SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC),
+ SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
+ SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index fe5c741fcc6a..eb8807de3ebc 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -6629,6 +6629,12 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
+ {0x1a, 0x02a11040},
+ {0x1b, 0x01014020},
+ {0x21, 0x0221101f}),
++ SND_HDA_PIN_QUIRK(0x10ec0235, 0x17aa, "Lenovo", ALC294_FIXUP_LENOVO_MIC_LOCATION,
++ {0x14, 0x90170110},
++ {0x19, 0x02a11030},
++ {0x1a, 0x02a11040},
++ {0x1b, 0x01011020},
++ {0x21, 0x0221101f}),
+ SND_HDA_PIN_QUIRK(0x10ec0235, 0x17aa, "Lenovo", ALC294_FIXUP_LENOVO_MIC_LOCATION,
+ {0x14, 0x90170110},
+ {0x19, 0x02a11020},
+@@ -7515,6 +7521,8 @@ enum {
+ ALC662_FIXUP_ASUS_Nx50,
+ ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE,
+ ALC668_FIXUP_ASUS_Nx51,
++ ALC668_FIXUP_MIC_COEF,
++ ALC668_FIXUP_ASUS_G751,
+ ALC891_FIXUP_HEADSET_MODE,
+ ALC891_FIXUP_DELL_MIC_NO_PRESENCE,
+ ALC662_FIXUP_ACER_VERITON,
+@@ -7784,6 +7792,23 @@ static const struct hda_fixup alc662_fixups[] = {
+ .chained = true,
+ .chain_id = ALC668_FIXUP_ASUS_Nx51_HEADSET_MODE,
+ },
++ [ALC668_FIXUP_MIC_COEF] = {
++ .type = HDA_FIXUP_VERBS,
++ .v.verbs = (const struct hda_verb[]) {
++ { 0x20, AC_VERB_SET_COEF_INDEX, 0xc3 },
++ { 0x20, AC_VERB_SET_PROC_COEF, 0x4000 },
++ {}
++ },
++ },
++ [ALC668_FIXUP_ASUS_G751] = {
++ .type = HDA_FIXUP_PINS,
++ .v.pins = (const struct hda_pintbl[]) {
++ { 0x16, 0x0421101f }, /* HP */
++ {}
++ },
++ .chained = true,
++ .chain_id = ALC668_FIXUP_MIC_COEF
++ },
+ [ALC891_FIXUP_HEADSET_MODE] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc_fixup_headset_mode,
+@@ -7857,6 +7882,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x1043, 0x11cd, "Asus N550", ALC662_FIXUP_ASUS_Nx50),
+ SND_PCI_QUIRK(0x1043, 0x13df, "Asus N550JX", ALC662_FIXUP_BASS_1A),
+ SND_PCI_QUIRK(0x1043, 0x129d, "Asus N750", ALC662_FIXUP_ASUS_Nx50),
++ SND_PCI_QUIRK(0x1043, 0x12ff, "ASUS G751", ALC668_FIXUP_ASUS_G751),
+ SND_PCI_QUIRK(0x1043, 0x1477, "ASUS N56VZ", ALC662_FIXUP_BASS_MODE4_CHMAP),
+ SND_PCI_QUIRK(0x1043, 0x15a7, "ASUS UX51VZH", ALC662_FIXUP_BASS_16),
+ SND_PCI_QUIRK(0x1043, 0x177d, "ASUS N551", ALC668_FIXUP_ASUS_Nx51),
+diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
+index 22f768ca3c73..b45c1ae60f94 100644
+--- a/sound/soc/intel/skylake/skl-topology.c
++++ b/sound/soc/intel/skylake/skl-topology.c
+@@ -2360,6 +2360,7 @@ static int skl_tplg_get_token(struct device *dev,
+
+ case SKL_TKN_U8_CORE_ID:
+ mconfig->core_id = tkn_elem->value;
++ break;
+
+ case SKL_TKN_U8_MOD_TYPE:
+ mconfig->m_type = tkn_elem->value;
+diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
+index 63f534a0902f..f362ee46506a 100644
+--- a/tools/perf/Makefile.config
++++ b/tools/perf/Makefile.config
+@@ -795,7 +795,7 @@ ifndef NO_JVMTI
+ JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
+ else
+ ifneq (,$(wildcard /usr/sbin/alternatives))
+- JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
++ JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
+ endif
+ endif
+ ifndef JDIR
+diff --git a/tools/perf/pmu-events/arch/x86/ivytown/uncore-power.json b/tools/perf/pmu-events/arch/x86/ivytown/uncore-power.json
+index d40498f2cb1e..635c09fda1d9 100644
+--- a/tools/perf/pmu-events/arch/x86/ivytown/uncore-power.json
++++ b/tools/perf/pmu-events/arch/x86/ivytown/uncore-power.json
+@@ -188,7 +188,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xb",
+ "EventName": "UNC_P_FREQ_GE_1200MHZ_CYCLES",
+- "Filter": "filter_band0=1200",
++ "Filter": "filter_band0=12",
+ "MetricExpr": "(UNC_P_FREQ_GE_1200MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_1200mhz_cycles %",
+ "PerPkg": "1",
+@@ -199,7 +199,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xc",
+ "EventName": "UNC_P_FREQ_GE_2000MHZ_CYCLES",
+- "Filter": "filter_band1=2000",
++ "Filter": "filter_band1=20",
+ "MetricExpr": "(UNC_P_FREQ_GE_2000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_2000mhz_cycles %",
+ "PerPkg": "1",
+@@ -210,7 +210,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xd",
+ "EventName": "UNC_P_FREQ_GE_3000MHZ_CYCLES",
+- "Filter": "filter_band2=3000",
++ "Filter": "filter_band2=30",
+ "MetricExpr": "(UNC_P_FREQ_GE_3000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_3000mhz_cycles %",
+ "PerPkg": "1",
+@@ -221,7 +221,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xe",
+ "EventName": "UNC_P_FREQ_GE_4000MHZ_CYCLES",
+- "Filter": "filter_band3=4000",
++ "Filter": "filter_band3=40",
+ "MetricExpr": "(UNC_P_FREQ_GE_4000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_4000mhz_cycles %",
+ "PerPkg": "1",
+@@ -232,7 +232,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xb",
+ "EventName": "UNC_P_FREQ_GE_1200MHZ_TRANSITIONS",
+- "Filter": "edge=1,filter_band0=1200",
++ "Filter": "edge=1,filter_band0=12",
+ "MetricExpr": "(UNC_P_FREQ_GE_1200MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_1200mhz_cycles %",
+ "PerPkg": "1",
+@@ -243,7 +243,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xc",
+ "EventName": "UNC_P_FREQ_GE_2000MHZ_TRANSITIONS",
+- "Filter": "edge=1,filter_band1=2000",
++ "Filter": "edge=1,filter_band1=20",
+ "MetricExpr": "(UNC_P_FREQ_GE_2000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_2000mhz_cycles %",
+ "PerPkg": "1",
+@@ -254,7 +254,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xd",
+ "EventName": "UNC_P_FREQ_GE_3000MHZ_TRANSITIONS",
+- "Filter": "edge=1,filter_band2=4000",
++ "Filter": "edge=1,filter_band2=30",
+ "MetricExpr": "(UNC_P_FREQ_GE_3000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_3000mhz_cycles %",
+ "PerPkg": "1",
+@@ -265,7 +265,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xe",
+ "EventName": "UNC_P_FREQ_GE_4000MHZ_TRANSITIONS",
+- "Filter": "edge=1,filter_band3=4000",
++ "Filter": "edge=1,filter_band3=40",
+ "MetricExpr": "(UNC_P_FREQ_GE_4000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_4000mhz_cycles %",
+ "PerPkg": "1",
+diff --git a/tools/perf/pmu-events/arch/x86/jaketown/uncore-power.json b/tools/perf/pmu-events/arch/x86/jaketown/uncore-power.json
+index 16034bfd06dd..8755693d86c6 100644
+--- a/tools/perf/pmu-events/arch/x86/jaketown/uncore-power.json
++++ b/tools/perf/pmu-events/arch/x86/jaketown/uncore-power.json
+@@ -187,7 +187,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xb",
+ "EventName": "UNC_P_FREQ_GE_1200MHZ_CYCLES",
+- "Filter": "filter_band0=1200",
++ "Filter": "filter_band0=12",
+ "MetricExpr": "(UNC_P_FREQ_GE_1200MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_1200mhz_cycles %",
+ "PerPkg": "1",
+@@ -198,7 +198,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xc",
+ "EventName": "UNC_P_FREQ_GE_2000MHZ_CYCLES",
+- "Filter": "filter_band1=2000",
++ "Filter": "filter_band1=20",
+ "MetricExpr": "(UNC_P_FREQ_GE_2000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_2000mhz_cycles %",
+ "PerPkg": "1",
+@@ -209,7 +209,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xd",
+ "EventName": "UNC_P_FREQ_GE_3000MHZ_CYCLES",
+- "Filter": "filter_band2=3000",
++ "Filter": "filter_band2=30",
+ "MetricExpr": "(UNC_P_FREQ_GE_3000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_3000mhz_cycles %",
+ "PerPkg": "1",
+@@ -220,7 +220,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xe",
+ "EventName": "UNC_P_FREQ_GE_4000MHZ_CYCLES",
+- "Filter": "filter_band3=4000",
++ "Filter": "filter_band3=40",
+ "MetricExpr": "(UNC_P_FREQ_GE_4000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_4000mhz_cycles %",
+ "PerPkg": "1",
+@@ -231,7 +231,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xb",
+ "EventName": "UNC_P_FREQ_GE_1200MHZ_TRANSITIONS",
+- "Filter": "edge=1,filter_band0=1200",
++ "Filter": "edge=1,filter_band0=12",
+ "MetricExpr": "(UNC_P_FREQ_GE_1200MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_1200mhz_cycles %",
+ "PerPkg": "1",
+@@ -242,7 +242,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xc",
+ "EventName": "UNC_P_FREQ_GE_2000MHZ_TRANSITIONS",
+- "Filter": "edge=1,filter_band1=2000",
++ "Filter": "edge=1,filter_band1=20",
+ "MetricExpr": "(UNC_P_FREQ_GE_2000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_2000mhz_cycles %",
+ "PerPkg": "1",
+@@ -253,7 +253,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xd",
+ "EventName": "UNC_P_FREQ_GE_3000MHZ_TRANSITIONS",
+- "Filter": "edge=1,filter_band2=4000",
++ "Filter": "edge=1,filter_band2=30",
+ "MetricExpr": "(UNC_P_FREQ_GE_3000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_3000mhz_cycles %",
+ "PerPkg": "1",
+@@ -264,7 +264,7 @@
+ "Counter": "0,1,2,3",
+ "EventCode": "0xe",
+ "EventName": "UNC_P_FREQ_GE_4000MHZ_TRANSITIONS",
+- "Filter": "edge=1,filter_band3=4000",
++ "Filter": "edge=1,filter_band3=40",
+ "MetricExpr": "(UNC_P_FREQ_GE_4000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.",
+ "MetricName": "freq_ge_4000mhz_cycles %",
+ "PerPkg": "1",
+diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
+index fc690fecbfd6..a19e840db54a 100644
+--- a/tools/perf/util/event.c
++++ b/tools/perf/util/event.c
+@@ -951,6 +951,7 @@ void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max
+ }
+
+ *size += sizeof(struct cpu_map_data);
++ *size = PERF_ALIGN(*size, sizeof(u64));
+ return zalloc(*size);
+ }
+
+diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
+index d87d458996b7..dceef4725d33 100644
+--- a/tools/perf/util/pmu.c
++++ b/tools/perf/util/pmu.c
+@@ -754,13 +754,14 @@ static void pmu_format_value(unsigned long *format, __u64 value, __u64 *v,
+
+ static __u64 pmu_format_max_value(const unsigned long *format)
+ {
+- __u64 w = 0;
+- int fbit;
+-
+- for_each_set_bit(fbit, format, PERF_PMU_FORMAT_BITS)
+- w |= (1ULL << fbit);
++ int w;
+
+- return w;
++ w = bitmap_weight(format, PERF_PMU_FORMAT_BITS);
++ if (!w)
++ return 0;
++ if (w < 64)
++ return (1ULL << w) - 1;
++ return -1;
+ }
+
+ /*
+diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c
+index 3d1cf5bf7f18..9005fbe0780e 100644
+--- a/tools/perf/util/strbuf.c
++++ b/tools/perf/util/strbuf.c
+@@ -98,19 +98,25 @@ static int strbuf_addv(struct strbuf *sb, const char *fmt, va_list ap)
+
+ va_copy(ap_saved, ap);
+ len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
+- if (len < 0)
++ if (len < 0) {
++ va_end(ap_saved);
+ return len;
++ }
+ if (len > strbuf_avail(sb)) {
+ ret = strbuf_grow(sb, len);
+- if (ret)
++ if (ret) {
++ va_end(ap_saved);
+ return ret;
++ }
+ len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap_saved);
+ va_end(ap_saved);
+ if (len > strbuf_avail(sb)) {
+ pr_debug("this should not happen, your vsnprintf is broken");
++ va_end(ap_saved);
+ return -EINVAL;
+ }
+ }
++ va_end(ap_saved);
+ return strbuf_setlen(sb, sb->len + len);
+ }
+
+diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
+index 8f3b7ef221f2..71a5b4863707 100644
+--- a/tools/perf/util/trace-event-info.c
++++ b/tools/perf/util/trace-event-info.c
+@@ -533,12 +533,14 @@ struct tracing_data *tracing_data_get(struct list_head *pattrs,
+ "/tmp/perf-XXXXXX");
+ if (!mkstemp(tdata->temp_file)) {
+ pr_debug("Can't make temp file");
++ free(tdata);
+ return NULL;
+ }
+
+ temp_fd = open(tdata->temp_file, O_RDWR);
+ if (temp_fd < 0) {
+ pr_debug("Can't read '%s'", tdata->temp_file);
++ free(tdata);
+ return NULL;
+ }
+
+diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
+index 8a9a677f7576..6bfd690d63d9 100644
+--- a/tools/perf/util/trace-event-read.c
++++ b/tools/perf/util/trace-event-read.c
+@@ -350,9 +350,12 @@ static int read_event_files(struct pevent *pevent)
+ for (x=0; x < count; x++) {
+ size = read8(pevent);
+ ret = read_event_file(pevent, sys, size);
+- if (ret)
++ if (ret) {
++ free(sys);
+ return ret;
++ }
+ }
++ free(sys);
+ }
+ return 0;
+ }
+diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c
+index 3e701f0e9c14..5853faa9daf3 100644
+--- a/tools/power/cpupower/utils/cpufreq-info.c
++++ b/tools/power/cpupower/utils/cpufreq-info.c
+@@ -202,6 +202,8 @@ static int get_boost_mode(unsigned int cpu)
+ printf(_(" Boost States: %d\n"), b_states);
+ printf(_(" Total States: %d\n"), pstate_no);
+ for (i = 0; i < pstate_no; i++) {
++ if (!pstates[i])
++ continue;
+ if (i < b_states)
+ printf(_(" Pstate-Pb%d: %luMHz (boost state)"
+ "\n"), i, pstates[i]);
+diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c
+index bb41cdd0df6b..9607ada5b29a 100644
+--- a/tools/power/cpupower/utils/helpers/amd.c
++++ b/tools/power/cpupower/utils/helpers/amd.c
+@@ -33,7 +33,7 @@ union msr_pstate {
+ unsigned vid:8;
+ unsigned iddval:8;
+ unsigned idddiv:2;
+- unsigned res1:30;
++ unsigned res1:31;
+ unsigned en:1;
+ } fam17h_bits;
+ unsigned long long val;
+@@ -119,6 +119,11 @@ int decode_pstates(unsigned int cpu, unsigned int cpu_family,
+ }
+ if (read_msr(cpu, MSR_AMD_PSTATE + i, &pstate.val))
+ return -1;
++ if ((cpu_family == 0x17) && (!pstate.fam17h_bits.en))
++ continue;
++ else if (!pstate.bits.en)
++ continue;
++
+ pstates[i] = get_cof(cpu_family, pstate);
+ }
+ *no = i;
+diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc
+new file mode 100644
+index 000000000000..88e6c3f43006
+--- /dev/null
++++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc
+@@ -0,0 +1,80 @@
++#!/bin/sh
++# SPDX-License-Identifier: GPL-2.0
++# description: event trigger - test synthetic_events syntax parser
++
++do_reset() {
++ reset_trigger
++ echo > set_event
++ clear_trace
++}
++
++fail() { #msg
++ do_reset
++ echo $1
++ exit_fail
++}
++
++if [ ! -f set_event ]; then
++ echo "event tracing is not supported"
++ exit_unsupported
++fi
++
++if [ ! -f synthetic_events ]; then
++ echo "synthetic event is not supported"
++ exit_unsupported
++fi
++
++reset_tracer
++do_reset
++
++echo "Test synthetic_events syntax parser"
++
++echo > synthetic_events
++
++# synthetic event must have a field
++! echo "myevent" >> synthetic_events
++echo "myevent u64 var1" >> synthetic_events
++
++# synthetic event must be found in synthetic_events
++grep "myevent[[:space:]]u64 var1" synthetic_events
++
++# it is not possible to add same name event
++! echo "myevent u64 var2" >> synthetic_events
++
++# Non-append open will cleanup all events and add new one
++echo "myevent u64 var2" > synthetic_events
++
++# multiple fields with different spaces
++echo "myevent u64 var1; u64 var2;" > synthetic_events
++grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events
++echo "myevent u64 var1 ; u64 var2 ;" > synthetic_events
++grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events
++echo "myevent u64 var1 ;u64 var2" > synthetic_events
++grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events
++
++# test field types
++echo "myevent u32 var" > synthetic_events
++echo "myevent u16 var" > synthetic_events
++echo "myevent u8 var" > synthetic_events
++echo "myevent s64 var" > synthetic_events
++echo "myevent s32 var" > synthetic_events
++echo "myevent s16 var" > synthetic_events
++echo "myevent s8 var" > synthetic_events
++
++echo "myevent char var" > synthetic_events
++echo "myevent int var" > synthetic_events
++echo "myevent long var" > synthetic_events
++echo "myevent pid_t var" > synthetic_events
++
++echo "myevent unsigned char var" > synthetic_events
++echo "myevent unsigned int var" > synthetic_events
++echo "myevent unsigned long var" > synthetic_events
++grep "myevent[[:space:]]unsigned long var" synthetic_events
++
++# test string type
++echo "myevent char var[10]" > synthetic_events
++grep "myevent[[:space:]]char\[10\] var" synthetic_events
++
++do_reset
++
++exit 0
+diff --git a/tools/testing/selftests/net/reuseport_bpf.c b/tools/testing/selftests/net/reuseport_bpf.c
+index cad14cd0ea92..b5277106df1f 100644
+--- a/tools/testing/selftests/net/reuseport_bpf.c
++++ b/tools/testing/selftests/net/reuseport_bpf.c
+@@ -437,14 +437,19 @@ void enable_fastopen(void)
+ }
+ }
+
+-static struct rlimit rlim_old, rlim_new;
++static struct rlimit rlim_old;
+
+ static __attribute__((constructor)) void main_ctor(void)
+ {
+ getrlimit(RLIMIT_MEMLOCK, &rlim_old);
+- rlim_new.rlim_cur = rlim_old.rlim_cur + (1UL << 20);
+- rlim_new.rlim_max = rlim_old.rlim_max + (1UL << 20);
+- setrlimit(RLIMIT_MEMLOCK, &rlim_new);
++
++ if (rlim_old.rlim_cur != RLIM_INFINITY) {
++ struct rlimit rlim_new;
++
++ rlim_new.rlim_cur = rlim_old.rlim_cur + (1UL << 20);
++ rlim_new.rlim_max = rlim_old.rlim_max + (1UL << 20);
++ setrlimit(RLIMIT_MEMLOCK, &rlim_new);
++ }
+ }
+
+ static __attribute__((destructor)) void main_dtor(void)
+diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-gpr.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-gpr.c
+index 327fa943c7f3..dbdffa2e2c82 100644
+--- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-gpr.c
++++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-gpr.c
+@@ -67,8 +67,8 @@ trans:
+ "3: ;"
+ : [res] "=r" (result), [texasr] "=r" (texasr)
+ : [gpr_1]"i"(GPR_1), [gpr_2]"i"(GPR_2), [gpr_4]"i"(GPR_4),
+- [sprn_texasr] "i" (SPRN_TEXASR), [flt_1] "r" (&a),
+- [flt_2] "r" (&b), [flt_4] "r" (&d)
++ [sprn_texasr] "i" (SPRN_TEXASR), [flt_1] "b" (&a),
++ [flt_4] "b" (&d)
+ : "memory", "r5", "r6", "r7",
+ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
+ "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
+diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
+index d5f1d8364571..ed42b8cf6f5b 100644
+--- a/virt/kvm/arm/arm.c
++++ b/virt/kvm/arm/arm.c
+@@ -1148,8 +1148,6 @@ static void cpu_init_hyp_mode(void *dummy)
+
+ __cpu_init_hyp_mode(pgd_ptr, hyp_stack_ptr, vector_ptr);
+ __cpu_init_stage2();
+-
+- kvm_arm_init_debug();
+ }
+
+ static void cpu_hyp_reset(void)
+@@ -1173,6 +1171,8 @@ static void cpu_hyp_reinit(void)
+ cpu_init_hyp_mode(NULL);
+ }
+
++ kvm_arm_init_debug();
++
+ if (vgic_present)
+ kvm_vgic_init_cpu_hardware();
+ }