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4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
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4383
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4385
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4387
|
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 7116fda7077f..5d91ba1606bb 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1172,6 +1172,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
i8042.notimeout [HW] Ignore timeout condition signalled by controller
i8042.reset [HW] Reset the controller during init and cleanup
i8042.unlock [HW] Unlock (ignore) the keylock
+ i8042.kbdreset [HW] Reset device connected to KBD port
i810= [HW,DRM]
diff --git a/Makefile b/Makefile
index 7aff64ee4fb6..5b94752a85e3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 14
-SUBLEVEL = 29
+SUBLEVEL = 30
EXTRAVERSION =
NAME = Remembering Coco
diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts
index 398064cef746..4c169d825415 100644
--- a/arch/arc/boot/dts/nsimosci.dts
+++ b/arch/arc/boot/dts/nsimosci.dts
@@ -20,7 +20,7 @@
/* this is for console on PGU */
/* bootargs = "console=tty0 consoleblank=0"; */
/* this is for console on serial */
- bootargs = "earlycon=uart8250,mmio32,0xc0000000,115200n8 console=tty0 console=ttyS0,115200n8 consoleblank=0 debug";
+ bootargs = "earlycon=uart8250,mmio32,0xf0000000,115200n8 console=tty0 console=ttyS0,115200n8 consoleblank=0 debug";
};
aliases {
@@ -46,9 +46,9 @@
#interrupt-cells = <1>;
};
- uart0: serial@c0000000 {
+ uart0: serial@f0000000 {
compatible = "ns8250";
- reg = <0xc0000000 0x2000>;
+ reg = <0xf0000000 0x2000>;
interrupts = <11>;
clock-frequency = <3686400>;
baud = <115200>;
@@ -57,21 +57,21 @@
no-loopback-test = <1>;
};
- pgu0: pgu@c9000000 {
+ pgu0: pgu@f9000000 {
compatible = "snps,arcpgufb";
- reg = <0xc9000000 0x400>;
+ reg = <0xf9000000 0x400>;
};
- ps2: ps2@c9001000 {
+ ps2: ps2@f9001000 {
compatible = "snps,arc_ps2";
- reg = <0xc9000400 0x14>;
+ reg = <0xf9000400 0x14>;
interrupts = <13>;
interrupt-names = "arc_ps2_irq";
};
- eth0: ethernet@c0003000 {
+ eth0: ethernet@f0003000 {
compatible = "snps,oscilan";
- reg = <0xc0003000 0x44>;
+ reg = <0xf0003000 0x44>;
interrupts = <7>, <8>;
interrupt-names = "rx", "tx";
};
diff --git a/arch/arc/include/asm/linkage.h b/arch/arc/include/asm/linkage.h
index 66ee5527aefc..5faad17118b4 100644
--- a/arch/arc/include/asm/linkage.h
+++ b/arch/arc/include/asm/linkage.h
@@ -13,20 +13,6 @@
#define ASM_NL ` /* use '`' to mark new line in macro */
-/* Can't use the ENTRY macro in linux/linkage.h
- * gas considers ';' as comment vs. newline
- */
-.macro ARC_ENTRY name
- .global \name
- .align 4
- \name:
-.endm
-
-.macro ARC_EXIT name
-#define ASM_PREV_SYM_ADDR(name) .-##name
- .size \ name, ASM_PREV_SYM_ADDR(\name)
-.endm
-
/* annotation for data we want in DCCM - if enabled in .config */
.macro ARCFP_DATA nm
#ifdef CONFIG_ARC_HAS_DCCM
diff --git a/arch/arc/kernel/ctx_sw_asm.S b/arch/arc/kernel/ctx_sw_asm.S
index 65690e7fcc8c..2ff0347a2fd7 100644
--- a/arch/arc/kernel/ctx_sw_asm.S
+++ b/arch/arc/kernel/ctx_sw_asm.S
@@ -62,4 +62,4 @@ __switch_to:
ld.ab blink, [sp, 4]
j [blink]
-ARC_EXIT __switch_to
+END(__switch_to)
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index 6e8f83a32522..29b82adbf0b4 100644
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -141,7 +141,7 @@ VECTOR EV_Extension ; 0x130, Extn Intruction Excp (0x26)
VECTOR reserved ; Reserved Exceptions
.endr
-#include <linux/linkage.h> /* ARC_{EXTRY,EXIT} */
+#include <linux/linkage.h> /* {EXTRY,EXIT} */
#include <asm/entry.h> /* SAVE_ALL_{INT1,INT2,SYS...} */
#include <asm/errno.h>
#include <asm/arcregs.h>
@@ -184,7 +184,7 @@ reserved: ; processor restart
; ---------------------------------------------
; Level 2 ISR: Can interrupt a Level 1 ISR
; ---------------------------------------------
-ARC_ENTRY handle_interrupt_level2
+ENTRY(handle_interrupt_level2)
; TODO-vineetg for SMP this wont work
; free up r9 as scratchpad
@@ -225,14 +225,14 @@ ARC_ENTRY handle_interrupt_level2
b ret_from_exception
-ARC_EXIT handle_interrupt_level2
+END(handle_interrupt_level2)
#endif
; ---------------------------------------------
; Level 1 ISR
; ---------------------------------------------
-ARC_ENTRY handle_interrupt_level1
+ENTRY(handle_interrupt_level1)
/* free up r9 as scratchpad */
#ifdef CONFIG_SMP
@@ -265,7 +265,7 @@ ARC_ENTRY handle_interrupt_level1
sr r8, [AUX_IRQ_LV12] ; clear bit in Sticky Status Reg
b ret_from_exception
-ARC_EXIT handle_interrupt_level1
+END(handle_interrupt_level1)
;################### Non TLB Exception Handling #############################
@@ -273,7 +273,7 @@ ARC_EXIT handle_interrupt_level1
; Instruction Error Exception Handler
; ---------------------------------------------
-ARC_ENTRY instr_service
+ENTRY(instr_service)
EXCEPTION_PROLOGUE
@@ -284,13 +284,13 @@ ARC_ENTRY instr_service
bl do_insterror_or_kprobe
b ret_from_exception
-ARC_EXIT instr_service
+END(instr_service)
; ---------------------------------------------
; Memory Error Exception Handler
; ---------------------------------------------
-ARC_ENTRY mem_service
+ENTRY(mem_service)
EXCEPTION_PROLOGUE
@@ -301,13 +301,13 @@ ARC_ENTRY mem_service
bl do_memory_error
b ret_from_exception
-ARC_EXIT mem_service
+END(mem_service)
; ---------------------------------------------
; Machine Check Exception Handler
; ---------------------------------------------
-ARC_ENTRY EV_MachineCheck
+ENTRY(EV_MachineCheck)
EXCEPTION_PROLOGUE
@@ -331,13 +331,13 @@ ARC_ENTRY EV_MachineCheck
j do_machine_check_fault
-ARC_EXIT EV_MachineCheck
+END(EV_MachineCheck)
; ---------------------------------------------
; Protection Violation Exception Handler
; ---------------------------------------------
-ARC_ENTRY EV_TLBProtV
+ENTRY(EV_TLBProtV)
EXCEPTION_PROLOGUE
@@ -385,12 +385,12 @@ ARC_ENTRY EV_TLBProtV
b ret_from_exception
-ARC_EXIT EV_TLBProtV
+END(EV_TLBProtV)
; ---------------------------------------------
; Privilege Violation Exception Handler
; ---------------------------------------------
-ARC_ENTRY EV_PrivilegeV
+ENTRY(EV_PrivilegeV)
EXCEPTION_PROLOGUE
@@ -401,12 +401,12 @@ ARC_ENTRY EV_PrivilegeV
bl do_privilege_fault
b ret_from_exception
-ARC_EXIT EV_PrivilegeV
+END(EV_PrivilegeV)
; ---------------------------------------------
; Extension Instruction Exception Handler
; ---------------------------------------------
-ARC_ENTRY EV_Extension
+ENTRY(EV_Extension)
EXCEPTION_PROLOGUE
@@ -417,7 +417,7 @@ ARC_ENTRY EV_Extension
bl do_extension_fault
b ret_from_exception
-ARC_EXIT EV_Extension
+END(EV_Extension)
;######################### System Call Tracing #########################
@@ -504,7 +504,7 @@ trap_with_param:
; (2) Break Points
;------------------------------------------------------------------
-ARC_ENTRY EV_Trap
+ENTRY(EV_Trap)
EXCEPTION_PROLOGUE
@@ -534,9 +534,9 @@ ARC_ENTRY EV_Trap
jl [r9] ; Entry into Sys Call Handler
; fall through to ret_from_system_call
-ARC_EXIT EV_Trap
+END(EV_Trap)
-ARC_ENTRY ret_from_system_call
+ENTRY(ret_from_system_call)
st r0, [sp, PT_r0] ; sys call return value in pt_regs
@@ -546,7 +546,7 @@ ARC_ENTRY ret_from_system_call
;
; If ret to user mode do we need to handle signals, schedule() et al.
-ARC_ENTRY ret_from_exception
+ENTRY(ret_from_exception)
; Pre-{IRQ,Trap,Exception} K/U mode from pt_regs->status32
ld r8, [sp, PT_status32] ; returning to User/Kernel Mode
@@ -728,9 +728,9 @@ not_level1_interrupt:
debug_marker_syscall:
rtie
-ARC_EXIT ret_from_exception
+END(ret_from_exception)
-ARC_ENTRY ret_from_fork
+ENTRY(ret_from_fork)
; when the forked child comes here from the __switch_to function
; r0 has the last task pointer.
; put last task in scheduler queue
@@ -747,11 +747,11 @@ ARC_ENTRY ret_from_fork
; special case of kernel_thread entry point returning back due to
; kernel_execve() - pretend return from syscall to ret to userland
b ret_from_exception
-ARC_EXIT ret_from_fork
+END(ret_from_fork)
;################### Special Sys Call Wrappers ##########################
-ARC_ENTRY sys_clone_wrapper
+ENTRY(sys_clone_wrapper)
SAVE_CALLEE_SAVED_USER
bl @sys_clone
DISCARD_CALLEE_SAVED_USER
@@ -761,7 +761,7 @@ ARC_ENTRY sys_clone_wrapper
bnz tracesys_exit
b ret_from_system_call
-ARC_EXIT sys_clone_wrapper
+END(sys_clone_wrapper)
#ifdef CONFIG_ARC_DW2_UNWIND
; Workaround for bug 94179 (STAR ):
diff --git a/arch/arc/lib/memcmp.S b/arch/arc/lib/memcmp.S
index bc813d55b6c3..978bf8314dfb 100644
--- a/arch/arc/lib/memcmp.S
+++ b/arch/arc/lib/memcmp.S
@@ -6,7 +6,7 @@
* published by the Free Software Foundation.
*/
-#include <asm/linkage.h>
+#include <linux/linkage.h>
#ifdef __LITTLE_ENDIAN__
#define WORD2 r2
@@ -16,7 +16,7 @@
#define SHIFT r2
#endif
-ARC_ENTRY memcmp
+ENTRY(memcmp)
or r12,r0,r1
asl_s r12,r12,30
sub r3,r2,1
@@ -121,4 +121,4 @@ ARC_ENTRY memcmp
.Lnil:
j_s.d [blink]
mov r0,0
-ARC_EXIT memcmp
+END(memcmp)
diff --git a/arch/arc/lib/memcpy-700.S b/arch/arc/lib/memcpy-700.S
index b64cc10ac918..3222573e50de 100644
--- a/arch/arc/lib/memcpy-700.S
+++ b/arch/arc/lib/memcpy-700.S
@@ -6,9 +6,9 @@
* published by the Free Software Foundation.
*/
-#include <asm/linkage.h>
+#include <linux/linkage.h>
-ARC_ENTRY memcpy
+ENTRY(memcpy)
or r3,r0,r1
asl_s r3,r3,30
mov_s r5,r0
@@ -63,4 +63,4 @@ ARC_ENTRY memcpy
.Lendbloop:
j_s.d [blink]
stb r12,[r5,0]
-ARC_EXIT memcpy
+END(memcpy)
diff --git a/arch/arc/lib/memset.S b/arch/arc/lib/memset.S
index 9b2d88d2e141..d36bd43fc98d 100644
--- a/arch/arc/lib/memset.S
+++ b/arch/arc/lib/memset.S
@@ -6,11 +6,11 @@
* published by the Free Software Foundation.
*/
-#include <asm/linkage.h>
+#include <linux/linkage.h>
#define SMALL 7 /* Must be at least 6 to deal with alignment/loop issues. */
-ARC_ENTRY memset
+ENTRY(memset)
mov_s r4,r0
or r12,r0,r2
bmsk.f r12,r12,1
@@ -46,14 +46,14 @@ ARC_ENTRY memset
stb.ab r1,[r4,1]
.Ltiny_end:
j_s [blink]
-ARC_EXIT memset
+END(memset)
; memzero: @r0 = mem, @r1 = size_t
; memset: @r0 = mem, @r1 = char, @r2 = size_t
-ARC_ENTRY memzero
+ENTRY(memzero)
; adjust bzero args to memset args
mov r2, r1
mov r1, 0
b memset ;tail call so need to tinker with blink
-ARC_EXIT memzero
+END(memzero)
diff --git a/arch/arc/lib/strchr-700.S b/arch/arc/lib/strchr-700.S
index 9c548c7cf001..b725d5862107 100644
--- a/arch/arc/lib/strchr-700.S
+++ b/arch/arc/lib/strchr-700.S
@@ -11,9 +11,9 @@
presence of the norm instruction makes it easier to operate on whole
words branch-free. */
-#include <asm/linkage.h>
+#include <linux/linkage.h>
-ARC_ENTRY strchr
+ENTRY(strchr)
extb_s r1,r1
asl r5,r1,8
bmsk r2,r0,1
@@ -130,4 +130,4 @@ ARC_ENTRY strchr
j_s.d [blink]
mov.mi r0,0
#endif /* ENDIAN */
-ARC_EXIT strchr
+END(strchr)
diff --git a/arch/arc/lib/strcmp.S b/arch/arc/lib/strcmp.S
index 5dc802b45cf3..3544600fefe6 100644
--- a/arch/arc/lib/strcmp.S
+++ b/arch/arc/lib/strcmp.S
@@ -13,9 +13,9 @@
source 1; however, that would increase the overhead for loop setup / finish,
and strcmp might often terminate early. */
-#include <asm/linkage.h>
+#include <linux/linkage.h>
-ARC_ENTRY strcmp
+ENTRY(strcmp)
or r2,r0,r1
bmsk_s r2,r2,1
brne r2,0,.Lcharloop
@@ -93,4 +93,4 @@ ARC_ENTRY strcmp
.Lcmpend:
j_s.d [blink]
sub r0,r2,r3
-ARC_EXIT strcmp
+END(strcmp)
diff --git a/arch/arc/lib/strcpy-700.S b/arch/arc/lib/strcpy-700.S
index b7ca4ae81d88..8422f38e1218 100644
--- a/arch/arc/lib/strcpy-700.S
+++ b/arch/arc/lib/strcpy-700.S
@@ -16,9 +16,9 @@
there, but the it is not likely to be taken often, and it
would also be likey to cost an unaligned mispredict at the next call. */
-#include <asm/linkage.h>
+#include <linux/linkage.h>
-ARC_ENTRY strcpy
+ENTRY(strcpy)
or r2,r0,r1
bmsk_s r2,r2,1
brne.d r2,0,charloop
@@ -67,4 +67,4 @@ charloop:
brne.d r3,0,charloop
stb.ab r3,[r10,1]
j [blink]
-ARC_EXIT strcpy
+END(strcpy)
diff --git a/arch/arc/lib/strlen.S b/arch/arc/lib/strlen.S
index 39759e099696..53cfd5685a5f 100644
--- a/arch/arc/lib/strlen.S
+++ b/arch/arc/lib/strlen.S
@@ -6,9 +6,9 @@
* published by the Free Software Foundation.
*/
-#include <asm/linkage.h>
+#include <linux/linkage.h>
-ARC_ENTRY strlen
+ENTRY(strlen)
or r3,r0,7
ld r2,[r3,-7]
ld.a r6,[r3,-3]
@@ -80,4 +80,4 @@ ARC_ENTRY strlen
.Learly_end:
b.d .Lend
sub_s.ne r1,r1,r1
-ARC_EXIT strlen
+END(strlen)
diff --git a/arch/arc/mm/tlbex.S b/arch/arc/mm/tlbex.S
index 3fcfdb38d242..79bfc81358c9 100644
--- a/arch/arc/mm/tlbex.S
+++ b/arch/arc/mm/tlbex.S
@@ -260,7 +260,7 @@ ARCFP_CODE ;Fast Path Code, candidate for ICCM
; I-TLB Miss Exception Handler
;-----------------------------------------------------------------------------
-ARC_ENTRY EV_TLBMissI
+ENTRY(EV_TLBMissI)
TLBMISS_FREEUP_REGS
@@ -293,13 +293,13 @@ ARC_ENTRY EV_TLBMissI
TLBMISS_RESTORE_REGS
rtie
-ARC_EXIT EV_TLBMissI
+END(EV_TLBMissI)
;-----------------------------------------------------------------------------
; D-TLB Miss Exception Handler
;-----------------------------------------------------------------------------
-ARC_ENTRY EV_TLBMissD
+ENTRY(EV_TLBMissD)
TLBMISS_FREEUP_REGS
@@ -381,6 +381,4 @@ do_slow_path_pf:
bl do_page_fault
b ret_from_exception
-ARC_EXIT EV_TLBMissD
-
-ARC_ENTRY EV_TLBMissB ; Bogus entry to measure sz of DTLBMiss hdlr
+END(EV_TLBMissD)
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
index de1611966d8b..6a26e79f0ef4 100644
--- a/arch/arm/boot/dts/imx25.dtsi
+++ b/arch/arm/boot/dts/imx25.dtsi
@@ -158,7 +158,7 @@
#size-cells = <0>;
compatible = "fsl,imx25-cspi", "fsl,imx35-cspi";
reg = <0x43fa4000 0x4000>;
- clocks = <&clks 62>, <&clks 62>;
+ clocks = <&clks 78>, <&clks 78>;
clock-names = "ipg", "per";
interrupts = <14>;
status = "disabled";
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 4d677f442539..01a5765a8b26 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -161,8 +161,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
post_div_table[1].div = 1;
post_div_table[2].div = 1;
video_div_table[1].div = 1;
- video_div_table[2].div = 1;
- };
+ video_div_table[3].div = 1;
+ }
/* type name parent_name base div_mask */
clk[pll1_sys] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1_sys", "osc", base, 0x7f);
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 74044aaf438b..73d80b8576c3 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -513,11 +513,11 @@ static void __init realtime_counter_init(void)
rate = clk_get_rate(sys_clk);
/* Numerator/denumerator values refer TRM Realtime Counter section */
switch (rate) {
- case 1200000:
+ case 12000000:
num = 64;
den = 125;
break;
- case 1300000:
+ case 13000000:
num = 768;
den = 1625;
break;
@@ -529,11 +529,11 @@ static void __init realtime_counter_init(void)
num = 192;
den = 625;
break;
- case 2600000:
+ case 26000000:
num = 384;
den = 1625;
break;
- case 2700000:
+ case 27000000:
num = 256;
den = 1125;
break;
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index f74ab530c71d..2b73c8a0c244 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -617,6 +617,7 @@ static struct platform_device ipmmu_device = {
static struct renesas_intc_irqpin_config irqpin0_platform_data = {
.irq_base = irq_pin(0), /* IRQ0 -> IRQ7 */
+ .control_parent = true,
};
static struct resource irqpin0_resources[] = {
@@ -678,6 +679,7 @@ static struct platform_device irqpin1_device = {
static struct renesas_intc_irqpin_config irqpin2_platform_data = {
.irq_base = irq_pin(16), /* IRQ16 -> IRQ23 */
+ .control_parent = true,
};
static struct resource irqpin2_resources[] = {
@@ -708,6 +710,7 @@ static struct platform_device irqpin2_device = {
static struct renesas_intc_irqpin_config irqpin3_platform_data = {
.irq_base = irq_pin(24), /* IRQ24 -> IRQ31 */
+ .control_parent = true,
};
static struct resource irqpin3_resources[] = {
diff --git a/arch/parisc/include/asm/ldcw.h b/arch/parisc/include/asm/ldcw.h
index d2d11b7055ba..8121aa6db2ff 100644
--- a/arch/parisc/include/asm/ldcw.h
+++ b/arch/parisc/include/asm/ldcw.h
@@ -33,11 +33,18 @@
#endif /*!CONFIG_PA20*/
-/* LDCW, the only atomic read-write operation PA-RISC has. *sigh*. */
+/* LDCW, the only atomic read-write operation PA-RISC has. *sigh*.
+ We don't explicitly expose that "*a" may be written as reload
+ fails to find a register in class R1_REGS when "a" needs to be
+ reloaded when generating 64-bit PIC code. Instead, we clobber
+ memory to indicate to the compiler that the assembly code reads
+ or writes to items other than those listed in the input and output
+ operands. This may pessimize the code somewhat but __ldcw is
+ usually used within code blocks surrounded by memory barriors. */
#define __ldcw(a) ({ \
unsigned __ret; \
- __asm__ __volatile__(__LDCW " 0(%2),%0" \
- : "=r" (__ret), "+m" (*(a)) : "r" (a)); \
+ __asm__ __volatile__(__LDCW " 0(%1),%0" \
+ : "=r" (__ret) : "r" (a) : "memory"); \
__ret; \
})
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 21ca44c4f6d5..1f0ea5537e8a 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -2,6 +2,7 @@ config UML
bool
default y
select HAVE_UID16
+ select HAVE_FUTEX_CMPXCHG if FUTEX
select GENERIC_IRQ_SHOW
select GENERIC_CPU_DEVICES
select GENERIC_IO
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index 79a3f9682871..a1f5b1866cbe 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -1017,6 +1017,15 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
regs->flags &= ~X86_EFLAGS_IF;
trace_hardirqs_off();
regs->ip = (unsigned long)(jp->entry);
+
+ /*
+ * jprobes use jprobe_return() which skips the normal return
+ * path of the function, and this messes up the accounting of the
+ * function graph tracer to get messed up.
+ *
+ * Pause function graph tracing while performing the jprobe function.
+ */
+ pause_graph_tracing();
return 1;
}
@@ -1042,24 +1051,25 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
u8 *addr = (u8 *) (regs->ip - 1);
struct jprobe *jp = container_of(p, struct jprobe, kp);
+ void *saved_sp = kcb->jprobe_saved_sp;
if ((addr > (u8 *) jprobe_return) &&
(addr < (u8 *) jprobe_return_end)) {
- if (stack_addr(regs) != kcb->jprobe_saved_sp) {
+ if (stack_addr(regs) != saved_sp) {
struct pt_regs *saved_regs = &kcb->jprobe_saved_regs;
printk(KERN_ERR
"current sp %p does not match saved sp %p\n",
- stack_addr(regs), kcb->jprobe_saved_sp);
+ stack_addr(regs), saved_sp);
printk(KERN_ERR "Saved registers for jprobe %p\n", jp);
show_regs(saved_regs);
printk(KERN_ERR "Current registers\n");
show_regs(regs);
BUG();
}
+ /* It's OK to start function graph tracing again */
+ unpause_graph_tracing();
*regs = kcb->jprobe_saved_regs;
- memcpy((kprobe_opcode_t *)(kcb->jprobe_saved_sp),
- kcb->jprobes_stack,
- MIN_STACK_SIZE(kcb->jprobe_saved_sp));
+ memcpy(saved_sp, kcb->jprobes_stack, MIN_STACK_SIZE(saved_sp));
preempt_enable_no_resched();
return 1;
}
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 0c90f4b3f835..de426887b359 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2320,12 +2320,12 @@ static __init void nested_vmx_setup_ctls_msrs(void)
nested_vmx_secondary_ctls_low = 0;
nested_vmx_secondary_ctls_high &=
SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
- SECONDARY_EXEC_UNRESTRICTED_GUEST |
SECONDARY_EXEC_WBINVD_EXITING;
if (enable_ept) {
/* nested EPT: emulate EPT also to L1 */
- nested_vmx_secondary_ctls_high |= SECONDARY_EXEC_ENABLE_EPT;
+ nested_vmx_secondary_ctls_high |= SECONDARY_EXEC_ENABLE_EPT |
+ SECONDARY_EXEC_UNRESTRICTED_GUEST;
nested_vmx_ept_caps = VMX_EPT_PAGE_WALK_4_BIT |
VMX_EPTP_WB_BIT | VMX_EPT_2MB_PAGE_BIT |
VMX_EPT_INVEPT_BIT;
diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c
index 531d4269e2e3..bd16d6c370ec 100644
--- a/arch/x86/um/sys_call_table_32.c
+++ b/arch/x86/um/sys_call_table_32.c
@@ -34,7 +34,7 @@ typedef asmlinkage void (*sys_call_ptr_t)(void);
extern asmlinkage void sys_ni_syscall(void);
-const sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
+const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
/*
* Smells like a compiler bug -- it doesn't work
* when the & below is removed.
diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c
index f2f0723070ca..95783087f0d3 100644
--- a/arch/x86/um/sys_call_table_64.c
+++ b/arch/x86/um/sys_call_table_64.c
@@ -46,7 +46,7 @@ typedef void (*sys_call_ptr_t)(void);
extern void sys_ni_syscall(void);
-const sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
+const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
/*
* Smells like a compiler bug -- it doesn't work
* when the & below is removed.
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index f9c4632d4dd3..7145f6d93567 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2232,14 +2232,17 @@ int __clk_get(struct clk *clk)
void __clk_put(struct clk *clk)
{
+ struct module *owner;
+
if (!clk || WARN_ON_ONCE(IS_ERR(clk)))
return;
clk_prepare_lock();
+ owner = clk->owner;
kref_put(&clk->ref, __clk_release);
clk_prepare_unlock();
- module_put(clk->owner);
+ module_put(owner);
}
/*** clk rate change notifiers ***/
diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c
index 884187fbfe00..7f30b94c00a5 100644
--- a/drivers/clk/samsung/clk-exynos-audss.c
+++ b/drivers/clk/samsung/clk-exynos-audss.c
@@ -210,6 +210,10 @@ static int exynos_audss_clk_remove(struct platform_device *pdev)
{
int i;
+#ifdef CONFIG_PM_SLEEP
+ unregister_syscore_ops(&exynos_audss_clk_syscore_ops);
+#endif
+
of_clk_del_provider(pdev->dev.of_node);
for (i = 0; i < clk_data.clk_num; i++) {
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index e0a98f581f58..74ed17d6cfa1 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -44,8 +44,14 @@ static int of_gpiochip_find_and_xlate(struct gpio_chip *gc, void *data)
return false;
ret = gc->of_xlate(gc, &gg_data->gpiospec, gg_data->flags);
- if (ret < 0)
- return false;
+ if (ret < 0) {
+ /* We've found the gpio chip, but the translation failed.
+ * Return true to stop looking and return the translation
+ * error via out_gpio
+ */
+ gg_data->out_gpio = ERR_PTR(ret);
+ return true;
+ }
gg_data->out_gpio = gpio_to_desc(ret + gc->base);
return true;
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 50c4922fe53a..5b88c83888d1 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1222,6 +1222,9 @@ int gpiochip_add(struct gpio_chip *chip)
spin_unlock_irqrestore(&gpio_lock, flags);
+ if (status)
+ goto fail;
+
#ifdef CONFIG_PINCTRL
INIT_LIST_HEAD(&chip->pin_ranges);
#endif
@@ -1229,12 +1232,12 @@ int gpiochip_add(struct gpio_chip *chip)
of_gpiochip_add(chip);
acpi_gpiochip_add(chip);
- if (status)
- goto fail;
-
status = gpiochip_export(chip);
- if (status)
+ if (status) {
+ acpi_gpiochip_remove(chip);
+ of_gpiochip_remove(chip);
goto fail;
+ }
pr_debug("%s: registered GPIOs %d to %d on device: %s\n", __func__,
chip->base, chip->base + chip->ngpio - 1,
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index 3c78b2268209..800e06c28018 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -137,7 +137,11 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev)
r = devm_request_mem_region(dev->dev, base + 1,
dev_priv->gtt.stolen_size - 1,
"Graphics Stolen Memory");
- if (r == NULL) {
+ /*
+ * GEN3 firmware likes to smash pci bridges into the stolen
+ * range. Apparently this works.
+ */
+ if (r == NULL && !IS_GEN3(dev)) {
DRM_ERROR("conflict detected with stolen region: [0x%08x - 0x%08x]\n",
base, base + (uint32_t)dev_priv->gtt.stolen_size);
base = 0;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 0a3b9386eb43..0c83b3dab58c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -320,6 +320,7 @@
#define PIPE_CONTROL_GLOBAL_GTT_IVB (1<<24) /* gen7+ */
#define PIPE_CONTROL_CS_STALL (1<<20)
#define PIPE_CONTROL_TLB_INVALIDATE (1<<18)
+#define PIPE_CONTROL_MEDIA_STATE_CLEAR (1<<16)
#define PIPE_CONTROL_QW_WRITE (1<<14)
#define PIPE_CONTROL_DEPTH_STALL (1<<13)
#define PIPE_CONTROL_WRITE_FLUSH (1<<12)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index d488fc71ef49..d2af1e138c91 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -334,12 +334,15 @@ gen7_render_ring_flush(struct intel_ring_buffer *ring,
flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE;
flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE;
flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE;
+ flags |= PIPE_CONTROL_MEDIA_STATE_CLEAR;
/*
* TLB invalidate requires a post-sync write.
*/
flags |= PIPE_CONTROL_QW_WRITE;
flags |= PIPE_CONTROL_GLOBAL_GTT_IVB;
+ flags |= PIPE_CONTROL_STALL_AT_SCOREBOARD;
+
/* Workaround: we must issue a pipe_control with CS-stall bit
* set before a pipe_control command that has the state cache
* invalidate bit set. */
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index c8796316d242..b6c063cad59b 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -451,8 +451,8 @@ hsw_unclaimed_reg_check(struct drm_i915_private *dev_priv, u32 reg)
static void
assert_device_not_suspended(struct drm_i915_private *dev_priv)
{
- WARN(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv->pm.suspended,
- "Device suspended\n");
+ WARN_ONCE(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv->pm.suspended,
+ "Device suspended\n");
}
#define REG_READ_HEADER(x) \
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c
index a75c35ccf25c..165401c4045c 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c
@@ -24,13 +24,6 @@
#include "nv04.h"
-static void
-nv4c_mc_msi_rearm(struct nouveau_mc *pmc)
-{
- struct nv04_mc_priv *priv = (void *)pmc;
- nv_wr08(priv, 0x088050, 0xff);
-}
-
struct nouveau_oclass *
nv4c_mc_oclass = &(struct nouveau_mc_oclass) {
.base.handle = NV_SUBDEV(MC, 0x4c),
@@ -41,5 +34,4 @@ nv4c_mc_oclass = &(struct nouveau_mc_oclass) {
.fini = _nouveau_mc_fini,
},
.intr = nv04_mc_intr,
- .msi_rearm = nv4c_mc_msi_rearm,
}.base;
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 5727dbdeda7f..b4dbaded2caf 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -576,6 +576,10 @@ int radeon_dp_mode_valid_helper(struct drm_connector *connector,
struct radeon_connector_atom_dig *dig_connector;
int dp_clock;
+ if ((mode->clock > 340000) &&
+ (!radeon_connector_is_dp12_capable(connector)))
+ return MODE_CLOCK_HIGH;
+
if (!radeon_connector->con_priv)
return MODE_CLOCK_HIGH;
dig_connector = radeon_connector->con_priv;
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 543ba2d4a659..c7c285646857 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -4733,7 +4733,7 @@ void ci_dpm_disable(struct radeon_device *rdev)
ci_enable_spread_spectrum(rdev, false);
ci_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, false);
ci_stop_dpm(rdev);
- ci_enable_ds_master_switch(rdev, true);
+ ci_enable_ds_master_switch(rdev, false);
ci_enable_ulv(rdev, false);
ci_clear_vc(rdev);
ci_reset_to_default(rdev);
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index ddf70d6c0270..8ef67cb4ef1e 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -5879,6 +5879,7 @@ static void cik_enable_mgcg(struct radeon_device *rdev, bool enable)
}
orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
+ data |= 0x00000001;
data &= 0xfffffffd;
if (orig != data)
WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
@@ -5910,7 +5911,7 @@ static void cik_enable_mgcg(struct radeon_device *rdev, bool enable)
}
} else {
orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
- data |= 0x00000002;
+ data |= 0x00000003;
if (orig != data)
WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 040a2a10ea17..45a9a03efc06 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -191,7 +191,7 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo,
rbo = container_of(bo, struct radeon_bo, tbo);
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
- if (rbo->rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready == false)
+ if (rbo->rdev->ring[radeon_copy_ring_index(rbo->rdev)].ready == false)
radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_CPU);
else
radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT);
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index cf4bad2c1d59..76329d27385b 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -297,11 +297,12 @@ static void ttm_pool_update_free_locked(struct ttm_page_pool *pool,
*
* @pool: to free the pages from
* @free_all: If set to true will free all pages in pool
- * @gfp: GFP flags.
+ * @use_static: Safe to use static buffer
**/
static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free,
- gfp_t gfp)
+ bool use_static)
{
+ static struct page *static_buf[NUM_PAGES_TO_ALLOC];
unsigned long irq_flags;
struct page *p;
struct page **pages_to_free;
@@ -311,7 +312,11 @@ static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free,
if (NUM_PAGES_TO_ALLOC < nr_free)
npages_to_free = NUM_PAGES_TO_ALLOC;
- pages_to_free = kmalloc(npages_to_free * sizeof(struct page *), gfp);
+ if (use_static)
+ pages_to_free = static_buf;
+ else
+ pages_to_free = kmalloc(npages_to_free * sizeof(struct page *),
+ GFP_KERNEL);
if (!pages_to_free) {
pr_err("Failed to allocate memory for pool free operation\n");
return 0;
@@ -374,7 +379,8 @@ restart:
if (freed_pages)
ttm_pages_put(pages_to_free, freed_pages);
out:
- kfree(pages_to_free);
+ if (pages_to_free != static_buf)
+ kfree(pages_to_free);
return nr_free;
}
@@ -383,8 +389,6 @@ out:
*
* XXX: (dchinner) Deadlock warning!
*
- * We need to pass sc->gfp_mask to ttm_page_pool_free().
- *
* This code is crying out for a shrinker per pool....
*/
static unsigned long
@@ -407,8 +411,8 @@ ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
if (shrink_pages == 0)
break;
pool = &_manager->pools[(i + pool_offset)%NUM_POOLS];
- shrink_pages = ttm_page_pool_free(pool, nr_free,
- sc->gfp_mask);
+ /* OK to use static buffer since global mutex is held. */
+ shrink_pages = ttm_page_pool_free(pool, nr_free, true);
freed += nr_free - shrink_pages;
}
mutex_unlock(&lock);
@@ -710,7 +714,7 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
}
spin_unlock_irqrestore(&pool->lock, irq_flags);
if (npages)
- ttm_page_pool_free(pool, npages, GFP_KERNEL);
+ ttm_page_pool_free(pool, npages, false);
}
/*
@@ -849,9 +853,9 @@ void ttm_page_alloc_fini(void)
pr_info("Finalizing pool allocator\n");
ttm_pool_mm_shrink_fini(_manager);
+ /* OK to use static buffer since global mutex is no longer used. */
for (i = 0; i < NUM_POOLS; ++i)
- ttm_page_pool_free(&_manager->pools[i], FREE_ALL_PAGES,
- GFP_KERNEL);
+ ttm_page_pool_free(&_manager->pools[i], FREE_ALL_PAGES, true);
kobject_put(&_manager->kobj);
_manager = NULL;
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
index ca65df144765..3dfa97d04e51 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
@@ -411,11 +411,12 @@ static void ttm_dma_page_put(struct dma_pool *pool, struct dma_page *d_page)
*
* @pool: to free the pages from
* @nr_free: If set to true will free all pages in pool
- * @gfp: GFP flags.
+ * @use_static: Safe to use static buffer
**/
static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free,
- gfp_t gfp)
+ bool use_static)
{
+ static struct page *static_buf[NUM_PAGES_TO_ALLOC];
unsigned long irq_flags;
struct dma_page *dma_p, *tmp;
struct page **pages_to_free;
@@ -432,7 +433,11 @@ static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free,
npages_to_free, nr_free);
}
#endif
- pages_to_free = kmalloc(npages_to_free * sizeof(struct page *), gfp);
+ if (use_static)
+ pages_to_free = static_buf;
+ else
+ pages_to_free = kmalloc(npages_to_free * sizeof(struct page *),
+ GFP_KERNEL);
if (!pages_to_free) {
pr_err("%s: Failed to allocate memory for pool free operation\n",
@@ -502,7 +507,8 @@ restart:
if (freed_pages)
ttm_dma_pages_put(pool, &d_pages, pages_to_free, freed_pages);
out:
- kfree(pages_to_free);
+ if (pages_to_free != static_buf)
+ kfree(pages_to_free);
return nr_free;
}
@@ -531,7 +537,8 @@ static void ttm_dma_free_pool(struct device *dev, enum pool_type type)
if (pool->type != type)
continue;
/* Takes a spinlock.. */
- ttm_dma_page_pool_free(pool, FREE_ALL_PAGES, GFP_KERNEL);
+ /* OK to use static buffer since global mutex is held. */
+ ttm_dma_page_pool_free(pool, FREE_ALL_PAGES, true);
WARN_ON(((pool->npages_in_use + pool->npages_free) != 0));
/* This code path is called after _all_ references to the
* struct device has been dropped - so nobody should be
@@ -984,7 +991,7 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev)
/* shrink pool if necessary (only on !is_cached pools)*/
if (npages)
- ttm_dma_page_pool_free(pool, npages, GFP_KERNEL);
+ ttm_dma_page_pool_free(pool, npages, false);
ttm->state = tt_unpopulated;
}
EXPORT_SYMBOL_GPL(ttm_dma_unpopulate);
@@ -994,8 +1001,6 @@ EXPORT_SYMBOL_GPL(ttm_dma_unpopulate);
*
* XXX: (dchinner) Deadlock warning!
*
- * We need to pass sc->gfp_mask to ttm_dma_page_pool_free().
- *
* I'm getting sadder as I hear more pathetical whimpers about needing per-pool
* shrinkers
*/
@@ -1028,8 +1033,8 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
if (++idx < pool_offset)
continue;
nr_free = shrink_pages;
- shrink_pages = ttm_dma_page_pool_free(p->pool, nr_free,
- sc->gfp_mask);
+ /* OK to use static buffer since global mutex is held. */
+ shrink_pages = ttm_dma_page_pool_free(p->pool, nr_free, true);
freed += nr_free - shrink_pages;
pr_debug("%s: (%s:%d) Asked to shrink %d, have %d more to go\n",
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index 436b013b4231..b65272d7ea56 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -1049,6 +1049,8 @@ static int vmw_event_fence_action_create(struct drm_file *file_priv,
if (ret != 0)
goto out_no_queue;
+ return 0;
+
out_no_queue:
event->base.destroy(&event->base);
out_no_event:
@@ -1124,17 +1126,10 @@ int vmw_fence_event_ioctl(struct drm_device *dev, void *data,
BUG_ON(fence == NULL);
- if (arg->flags & DRM_VMW_FE_FLAG_REQ_TIME)
- ret = vmw_event_fence_action_create(file_priv, fence,
- arg->flags,
- arg->user_data,
- true);
- else
- ret = vmw_event_fence_action_create(file_priv, fence,
- arg->flags,
- arg->user_data,
- true);
-
+ ret = vmw_event_fence_action_create(file_priv, fence,
+ arg->flags,
+ arg->user_data,
+ true);
if (unlikely(ret != 0)) {
if (ret != -ERESTARTSYS)
DRM_ERROR("Failed to attach event to fence.\n");
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index a96cfc31372e..60142274fe4b 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -41,6 +41,7 @@ static DEFINE_MUTEX(device_list_mutex);
static LIST_HEAD(device_list);
static struct workqueue_struct *isert_rx_wq;
static struct workqueue_struct *isert_comp_wq;
+static struct workqueue_struct *isert_release_wq;
static void
isert_unmap_cmd(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn);
@@ -52,6 +53,11 @@ isert_unreg_rdma(struct isert_cmd *isert_cmd, struct isert_conn *isert_conn);
static int
isert_reg_rdma(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
struct isert_rdma_wr *wr);
+static int
+isert_rdma_post_recvl(struct isert_conn *isert_conn);
+static int
+isert_rdma_accept(struct isert_conn *isert_conn);
+struct rdma_cm_id *isert_setup_id(struct isert_np *isert_np);
static void
isert_qp_event_callback(struct ib_event *e, void *context)
@@ -132,12 +138,18 @@ isert_conn_setup_qp(struct isert_conn *isert_conn, struct rdma_cm_id *cma_id)
ret = rdma_create_qp(cma_id, isert_conn->conn_pd, &attr);
if (ret) {
pr_err("rdma_create_qp failed for cma_id %d\n", ret);
- return ret;
+ goto err;
}
isert_conn->conn_qp = cma_id->qp;
pr_debug("rdma_create_qp() returned success >>>>>>>>>>>>>>>>>>>>>>>>>.\n");
return 0;
+err:
+ mutex_lock(&device_list_mutex);
+ device->cq_active_qps[min_index]--;
+ mutex_unlock(&device_list_mutex);
+
+ return ret;
}
static void
@@ -489,8 +501,8 @@ err:
static int
isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
{
- struct iscsi_np *np = cma_id->context;
- struct isert_np *isert_np = np->np_context;
+ struct isert_np *isert_np = cma_id->context;
+ struct iscsi_np *np = isert_np->np;
struct isert_conn *isert_conn;
struct isert_device *device;
struct ib_device *ib_dev = cma_id->device;
@@ -515,6 +527,7 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
isert_conn->state = ISER_CONN_INIT;
INIT_LIST_HEAD(&isert_conn->conn_accept_node);
init_completion(&isert_conn->conn_login_comp);
+ init_completion(&isert_conn->login_req_comp);
init_completion(&isert_conn->conn_wait);
init_completion(&isert_conn->conn_wait_comp_err);
kref_init(&isert_conn->conn_kref);
@@ -522,7 +535,6 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
spin_lock_init(&isert_conn->conn_lock);
INIT_LIST_HEAD(&isert_conn->conn_fr_pool);
- cma_id->context = isert_conn;
isert_conn->conn_cm_id = cma_id;
isert_conn->responder_resources = event->param.conn.responder_resources;
isert_conn->initiator_depth = event->param.conn.initiator_depth;
@@ -596,6 +608,14 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
if (ret)
goto out_conn_dev;
+ ret = isert_rdma_post_recvl(isert_conn);
+ if (ret)
+ goto out_conn_dev;
+
+ ret = isert_rdma_accept(isert_conn);
+ if (ret)
+ goto out_conn_dev;
+
mutex_lock(&isert_np->np_accept_mutex);
list_add_tail(&isert_conn->conn_accept_node, &isert_np->np_accept_list);
mutex_unlock(&isert_np->np_accept_mutex);
@@ -620,6 +640,7 @@ out_login_buf:
kfree(isert_conn->login_buf);
out:
kfree(isert_conn);
+ rdma_reject(cma_id, NULL, 0);
return ret;
}
@@ -635,18 +656,20 @@ isert_connect_release(struct isert_conn *isert_conn)
if (device && device->use_fastreg)
isert_conn_free_fastreg_pool(isert_conn);
+ isert_free_rx_descriptors(isert_conn);
+ rdma_destroy_id(isert_conn->conn_cm_id);
+
if (isert_conn->conn_qp) {
cq_index = ((struct isert_cq_desc *)
isert_conn->conn_qp->recv_cq->cq_context)->cq_index;
pr_debug("isert_connect_release: cq_index: %d\n", cq_index);
+ mutex_lock(&device_list_mutex);
isert_conn->conn_device->cq_active_qps[cq_index]--;
+ mutex_unlock(&device_list_mutex);
- rdma_destroy_qp(isert_conn->conn_cm_id);
+ ib_destroy_qp(isert_conn->conn_qp);
}
- isert_free_rx_descriptors(isert_conn);
- rdma_destroy_id(isert_conn->conn_cm_id);
-
ib_dereg_mr(isert_conn->conn_mr);
ib_dealloc_pd(isert_conn->conn_pd);
@@ -669,9 +692,19 @@ isert_connect_release(struct isert_conn *isert_conn)
static void
isert_connected_handler(struct rdma_cm_id *cma_id)
{
- struct isert_conn *isert_conn = cma_id->context;
+ struct isert_conn *isert_conn = cma_id->qp->qp_context;
+
+ pr_info("conn %p\n", isert_conn);
- kref_get(&isert_conn->conn_kref);
+ if (!kref_get_unless_zero(&isert_conn->conn_kref)) {
+ pr_warn("conn %p connect_release is running\n", isert_conn);
+ return;
+ }
+
+ mutex_lock(&isert_conn->conn_mutex);
+ if (isert_conn->state != ISER_CONN_FULL_FEATURE)
+ isert_conn->state = ISER_CONN_UP;
+ mutex_unlock(&isert_conn->conn_mutex);
}
static void
@@ -692,65 +725,108 @@ isert_put_conn(struct isert_conn *isert_conn)
kref_put(&isert_conn->conn_kref, isert_release_conn_kref);
}
+/**
+ * isert_conn_terminate() - Initiate connection termination
+ * @isert_conn: isert connection struct
+ *
+ * Notes:
+ * In case the connection state is FULL_FEATURE, move state
+ * to TEMINATING and start teardown sequence (rdma_disconnect).
+ * In case the connection state is UP, complete flush as well.
+ *
+ * This routine must be called with conn_mutex held. Thus it is
+ * safe to call multiple times.
+ */
static void
-isert_disconnect_work(struct work_struct *work)
+isert_conn_terminate(struct isert_conn *isert_conn)
{
- struct isert_conn *isert_conn = container_of(work,
- struct isert_conn, conn_logout_work);
+ int err;
- pr_debug("isert_disconnect_work(): >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
- mutex_lock(&isert_conn->conn_mutex);
- if (isert_conn->state == ISER_CONN_UP)
+ switch (isert_conn->state) {
+ case ISER_CONN_TERMINATING:
+ break;
+ case ISER_CONN_UP:
+ /*
+ * No flush completions will occur as we didn't
+ * get to ISER_CONN_FULL_FEATURE yet, complete
+ * to allow teardown progress.
+ */
+ complete(&isert_conn->conn_wait_comp_err);
+ case ISER_CONN_FULL_FEATURE: /* FALLTHRU */
+ pr_info("Terminating conn %p state %d\n",
+ isert_conn, isert_conn->state);
isert_conn->state = ISER_CONN_TERMINATING;
-
- if (isert_conn->post_recv_buf_count == 0 &&
- atomic_read(&isert_conn->post_send_buf_count) == 0) {
- mutex_unlock(&isert_conn->conn_mutex);
- goto wake_up;
- }
- if (!isert_conn->conn_cm_id) {
- mutex_unlock(&isert_conn->conn_mutex);
- isert_put_conn(isert_conn);
- return;
+ err = rdma_disconnect(isert_conn->conn_cm_id);
+ if (err)
+ pr_warn("Failed rdma_disconnect isert_conn %p\n",
+ isert_conn);
+ break;
+ default:
+ pr_warn("conn %p teminating in state %d\n",
+ isert_conn, isert_conn->state);
}
+}
- if (isert_conn->disconnect) {
- /* Send DREQ/DREP towards our initiator */
- rdma_disconnect(isert_conn->conn_cm_id);
- }
+static int
+isert_np_cma_handler(struct isert_np *isert_np,
+ enum rdma_cm_event_type event)
+{
+ pr_debug("isert np %p, handling event %d\n", isert_np, event);
- mutex_unlock(&isert_conn->conn_mutex);
+ switch (event) {
+ case RDMA_CM_EVENT_DEVICE_REMOVAL:
+ isert_np->np_cm_id = NULL;
+ break;
+ case RDMA_CM_EVENT_ADDR_CHANGE:
+ isert_np->np_cm_id = isert_setup_id(isert_np);
+ if (IS_ERR(isert_np->np_cm_id)) {
+ pr_err("isert np %p setup id failed: %ld\n",
+ isert_np, PTR_ERR(isert_np->np_cm_id));
+ isert_np->np_cm_id = NULL;
+ }
+ break;
+ default:
+ pr_err("isert np %p Unexpected event %d\n",
+ isert_np, event);
+ }
-wake_up:
- complete(&isert_conn->conn_wait);
+ return -1;
}
static int
-isert_disconnected_handler(struct rdma_cm_id *cma_id, bool disconnect)
+isert_disconnected_handler(struct rdma_cm_id *cma_id,
+ enum rdma_cm_event_type event)
{
+ struct isert_np *isert_np = cma_id->context;
struct isert_conn *isert_conn;
- if (!cma_id->qp) {
- struct isert_np *isert_np = cma_id->context;
+ if (isert_np->np_cm_id == cma_id)
+ return isert_np_cma_handler(cma_id->context, event);
- isert_np->np_cm_id = NULL;
- return -1;
- }
+ isert_conn = cma_id->qp->qp_context;
- isert_conn = (struct isert_conn *)cma_id->context;
+ mutex_lock(&isert_conn->conn_mutex);
+ isert_conn_terminate(isert_conn);
+ mutex_unlock(&isert_conn->conn_mutex);
- isert_conn->disconnect = disconnect;
- INIT_WORK(&isert_conn->conn_logout_work, isert_disconnect_work);
- schedule_work(&isert_conn->conn_logout_work);
+ pr_info("conn %p completing conn_wait\n", isert_conn);
+ complete(&isert_conn->conn_wait);
return 0;
}
+static void
+isert_connect_error(struct rdma_cm_id *cma_id)
+{
+ struct isert_conn *isert_conn = cma_id->qp->qp_context;
+
+ isert_put_conn(isert_conn);
+}
+
static int
isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
{
int ret = 0;
- bool disconnect = false;
pr_debug("isert_cma_handler: event %d status %d conn %p id %p\n",
event->event, event->status, cma_id->context, cma_id);
@@ -768,11 +844,14 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
case RDMA_CM_EVENT_ADDR_CHANGE: /* FALLTHRU */
case RDMA_CM_EVENT_DISCONNECTED: /* FALLTHRU */
case RDMA_CM_EVENT_DEVICE_REMOVAL: /* FALLTHRU */
- disconnect = true;
case RDMA_CM_EVENT_TIMEWAIT_EXIT: /* FALLTHRU */
- ret = isert_disconnected_handler(cma_id, disconnect);
+ ret = isert_disconnected_handler(cma_id, event->event);
break;
+ case RDMA_CM_EVENT_REJECTED: /* FALLTHRU */
+ case RDMA_CM_EVENT_UNREACHABLE: /* FALLTHRU */
case RDMA_CM_EVENT_CONNECT_ERROR:
+ isert_connect_error(cma_id);
+ break;
default:
pr_err("Unhandled RDMA CMA event: %d\n", event->event);
break;
@@ -906,7 +985,7 @@ isert_init_send_wr(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
* bit for every ISERT_COMP_BATCH_COUNT number of ib_post_send() calls.
*/
mutex_lock(&isert_conn->conn_mutex);
- if (coalesce && isert_conn->state == ISER_CONN_UP &&
+ if (coalesce && isert_conn->state == ISER_CONN_FULL_FEATURE &&
++isert_conn->conn_comp_batch < ISERT_COMP_BATCH_COUNT) {
tx_desc->llnode_active = true;
llist_add(&tx_desc->comp_llnode, &isert_conn->conn_comp_llist);
@@ -1003,7 +1082,10 @@ isert_put_login_tx(struct iscsi_conn *conn, struct iscsi_login *login,
if (ret)
return ret;
- isert_conn->state = ISER_CONN_UP;
+ /* Now we are in FULL_FEATURE phase */
+ mutex_lock(&isert_conn->conn_mutex);
+ isert_conn->state = ISER_CONN_FULL_FEATURE;
+ mutex_unlock(&isert_conn->conn_mutex);
goto post_send;
}
@@ -1020,18 +1102,17 @@ post_send:
}
static void
-isert_rx_login_req(struct iser_rx_desc *rx_desc, int rx_buflen,
- struct isert_conn *isert_conn)
+isert_rx_login_req(struct isert_conn *isert_conn)
{
+ struct iser_rx_desc *rx_desc = (void *)isert_conn->login_req_buf;
+ int rx_buflen = isert_conn->login_req_len;
struct iscsi_conn *conn = isert_conn->conn;
struct iscsi_login *login = conn->conn_login;
int size;
- if (!login) {
- pr_err("conn->conn_login is NULL\n");
- dump_stack();
- return;
- }
+ pr_info("conn %p\n", isert_conn);
+
+ WARN_ON_ONCE(!login);
if (login->first_request) {
struct iscsi_login_req *login_req =
@@ -1394,11 +1475,20 @@ isert_rx_completion(struct iser_rx_desc *desc, struct isert_conn *isert_conn,
hdr->opcode, hdr->itt, hdr->flags,
(int)(xfer_len - ISER_HEADERS_LEN));
- if ((char *)desc == isert_conn->login_req_buf)
- isert_rx_login_req(desc, xfer_len - ISER_HEADERS_LEN,
- isert_conn);
- else
+ if ((char *)desc == isert_conn->login_req_buf) {
+ isert_conn->login_req_len = xfer_len - ISER_HEADERS_LEN;
+ if (isert_conn->conn) {
+ struct iscsi_login *login = isert_conn->conn->conn_login;
+
+ if (login && !login->first_request)
+ isert_rx_login_req(isert_conn);
+ }
+ mutex_lock(&isert_conn->conn_mutex);
+ complete(&isert_conn->login_req_comp);
+ mutex_unlock(&isert_conn->conn_mutex);
+ } else {
isert_rx_do_work(desc, isert_conn);
+ }
ib_dma_sync_single_for_device(ib_dev, rx_dma, rx_buflen,
DMA_FROM_DEVICE);
@@ -1799,7 +1889,7 @@ isert_cq_rx_comp_err(struct isert_conn *isert_conn)
msleep(3000);
mutex_lock(&isert_conn->conn_mutex);
- isert_conn->state = ISER_CONN_DOWN;
+ isert_conn_terminate(isert_conn);
mutex_unlock(&isert_conn->conn_mutex);
iscsit_cause_connection_reinstatement(isert_conn->conn, 0);
@@ -2579,13 +2669,51 @@ isert_response_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state)
return ret;
}
+struct rdma_cm_id *
+isert_setup_id(struct isert_np *isert_np)
+{
+ struct iscsi_np *np = isert_np->np;
+ struct rdma_cm_id *id;
+ struct sockaddr *sa;
+ int ret;
+
+ sa = (struct sockaddr *)&np->np_sockaddr;
+ pr_debug("ksockaddr: %p, sa: %p\n", &np->np_sockaddr, sa);
+
+ id = rdma_create_id(isert_cma_handler, isert_np,
+ RDMA_PS_TCP, IB_QPT_RC);
+ if (IS_ERR(id)) {
+ pr_err("rdma_create_id() failed: %ld\n", PTR_ERR(id));
+ ret = PTR_ERR(id);
+ goto out;
+ }
+ pr_debug("id %p context %p\n", id, id->context);
+
+ ret = rdma_bind_addr(id, sa);
+ if (ret) {
+ pr_err("rdma_bind_addr() failed: %d\n", ret);
+ goto out_id;
+ }
+
+ ret = rdma_listen(id, ISERT_RDMA_LISTEN_BACKLOG);
+ if (ret) {
+ pr_err("rdma_listen() failed: %d\n", ret);
+ goto out_id;
+ }
+
+ return id;
+out_id:
+ rdma_destroy_id(id);
+out:
+ return ERR_PTR(ret);
+}
+
static int
isert_setup_np(struct iscsi_np *np,
struct __kernel_sockaddr_storage *ksockaddr)
{
struct isert_np *isert_np;
struct rdma_cm_id *isert_lid;
- struct sockaddr *sa;
int ret;
isert_np = kzalloc(sizeof(struct isert_np), GFP_KERNEL);
@@ -2597,9 +2725,8 @@ isert_setup_np(struct iscsi_np *np,
mutex_init(&isert_np->np_accept_mutex);
INIT_LIST_HEAD(&isert_np->np_accept_list);
init_completion(&isert_np->np_login_comp);
+ isert_np->np = np;
- sa = (struct sockaddr *)ksockaddr;
- pr_debug("ksockaddr: %p, sa: %p\n", ksockaddr, sa);
/*
* Setup the np->np_sockaddr from the passed sockaddr setup
* in iscsi_target_configfs.c code..
@@ -2607,37 +2734,20 @@ isert_setup_np(struct iscsi_np *np,
memcpy(&np->np_sockaddr, ksockaddr,
sizeof(struct __kernel_sockaddr_storage));
- isert_lid = rdma_create_id(isert_cma_handler, np, RDMA_PS_TCP,
- IB_QPT_RC);
+ isert_lid = isert_setup_id(isert_np);
if (IS_ERR(isert_lid)) {
- pr_err("rdma_create_id() for isert_listen_handler failed: %ld\n",
- PTR_ERR(isert_lid));
ret = PTR_ERR(isert_lid);
goto out;
}
- ret = rdma_bind_addr(isert_lid, sa);
- if (ret) {
- pr_err("rdma_bind_addr() for isert_lid failed: %d\n", ret);
- goto out_lid;
- }
-
- ret = rdma_listen(isert_lid, ISERT_RDMA_LISTEN_BACKLOG);
- if (ret) {
- pr_err("rdma_listen() for isert_lid failed: %d\n", ret);
- goto out_lid;
- }
-
isert_np->np_cm_id = isert_lid;
np->np_context = isert_np;
- pr_debug("Setup isert_lid->context: %p\n", isert_lid->context);
return 0;
-out_lid:
- rdma_destroy_id(isert_lid);
out:
kfree(isert_np);
+
return ret;
}
@@ -2673,7 +2783,15 @@ isert_get_login_rx(struct iscsi_conn *conn, struct iscsi_login *login)
struct isert_conn *isert_conn = (struct isert_conn *)conn->context;
int ret;
- pr_debug("isert_get_login_rx before conn_login_comp conn: %p\n", conn);
+ pr_info("before login_req comp conn: %p\n", isert_conn);
+ ret = wait_for_completion_interruptible(&isert_conn->login_req_comp);
+ if (ret) {
+ pr_err("isert_conn %p interrupted before got login req\n",
+ isert_conn);
+ return ret;
+ }
+ reinit_completion(&isert_conn->login_req_comp);
+
/*
* For login requests after the first PDU, isert_rx_login_req() will
* kick schedule_delayed_work(&conn->login_work) as the packet is
@@ -2683,11 +2801,15 @@ isert_get_login_rx(struct iscsi_conn *conn, struct iscsi_login *login)
if (!login->first_request)
return 0;
+ isert_rx_login_req(isert_conn);
+
+ pr_info("before conn_login_comp conn: %p\n", conn);
ret = wait_for_completion_interruptible(&isert_conn->conn_login_comp);
if (ret)
return ret;
- pr_debug("isert_get_login_rx processing login->req: %p\n", login->req);
+ pr_info("processing login->req: %p\n", login->req);
+
return 0;
}
@@ -2765,17 +2887,10 @@ accept_wait:
isert_conn->conn = conn;
max_accept = 0;
- ret = isert_rdma_post_recvl(isert_conn);
- if (ret)
- return ret;
-
- ret = isert_rdma_accept(isert_conn);
- if (ret)
- return ret;
-
isert_set_conn_info(np, conn, isert_conn);
- pr_debug("Processing isert_accept_np: isert_conn: %p\n", isert_conn);
+ pr_debug("Processing isert_conn: %p\n", isert_conn);
+
return 0;
}
@@ -2791,6 +2906,24 @@ isert_free_np(struct iscsi_np *np)
kfree(isert_np);
}
+static void isert_release_work(struct work_struct *work)
+{
+ struct isert_conn *isert_conn = container_of(work,
+ struct isert_conn,
+ release_work);
+
+ pr_info("Starting release conn %p\n", isert_conn);
+
+ wait_for_completion(&isert_conn->conn_wait);
+
+ mutex_lock(&isert_conn->conn_mutex);
+ isert_conn->state = ISER_CONN_DOWN;
+ mutex_unlock(&isert_conn->conn_mutex);
+
+ pr_info("Destroying conn %p\n", isert_conn);
+ isert_put_conn(isert_conn);
+}
+
static void isert_wait_conn(struct iscsi_conn *conn)
{
struct isert_conn *isert_conn = conn->context;
@@ -2798,10 +2931,6 @@ static void isert_wait_conn(struct iscsi_conn *conn)
pr_debug("isert_wait_conn: Starting \n");
mutex_lock(&isert_conn->conn_mutex);
- if (isert_conn->conn_cm_id) {
- pr_debug("Calling rdma_disconnect from isert_wait_conn\n");
- rdma_disconnect(isert_conn->conn_cm_id);
- }
/*
* Only wait for conn_wait_comp_err if the isert_conn made it
* into full feature phase..
@@ -2810,14 +2939,13 @@ static void isert_wait_conn(struct iscsi_conn *conn)
mutex_unlock(&isert_conn->conn_mutex);
return;
}
- if (isert_conn->state == ISER_CONN_UP)
- isert_conn->state = ISER_CONN_TERMINATING;
+ isert_conn_terminate(isert_conn);
mutex_unlock(&isert_conn->conn_mutex);
wait_for_completion(&isert_conn->conn_wait_comp_err);
- wait_for_completion(&isert_conn->conn_wait);
- isert_put_conn(isert_conn);
+ INIT_WORK(&isert_conn->release_work, isert_release_work);
+ queue_work(isert_release_wq, &isert_conn->release_work);
}
static void isert_free_conn(struct iscsi_conn *conn)
@@ -2863,10 +2991,21 @@ static int __init isert_init(void)
goto destroy_rx_wq;
}
+ isert_release_wq = alloc_workqueue("isert_release_wq", WQ_UNBOUND,
+ WQ_UNBOUND_MAX_ACTIVE);
+ if (!isert_release_wq) {
+ pr_err("Unable to allocate isert_release_wq\n");
+ ret = -ENOMEM;
+ goto destroy_comp_wq;
+ }
+
iscsit_register_transport(&iser_target_transport);
- pr_debug("iSER_TARGET[0] - Loaded iser_target_transport\n");
+ pr_info("iSER_TARGET[0] - Loaded iser_target_transport\n");
+
return 0;
+destroy_comp_wq:
+ destroy_workqueue(isert_comp_wq);
destroy_rx_wq:
destroy_workqueue(isert_rx_wq);
return ret;
@@ -2875,6 +3014,7 @@ destroy_rx_wq:
static void __exit isert_exit(void)
{
flush_scheduled_work();
+ destroy_workqueue(isert_release_wq);
destroy_workqueue(isert_comp_wq);
destroy_workqueue(isert_rx_wq);
iscsit_unregister_transport(&iser_target_transport);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index cbecaabe90b9..1178c5b6800c 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -23,6 +23,7 @@ enum iser_ib_op_code {
enum iser_conn_state {
ISER_CONN_INIT,
ISER_CONN_UP,
+ ISER_CONN_FULL_FEATURE,
ISER_CONN_TERMINATING,
ISER_CONN_DOWN,
};
@@ -102,6 +103,7 @@ struct isert_conn {
char *login_req_buf;
char *login_rsp_buf;
u64 login_req_dma;
+ int login_req_len;
u64 login_rsp_dma;
unsigned int conn_rx_desc_head;
struct iser_rx_desc *conn_rx_descs;
@@ -109,13 +111,13 @@ struct isert_conn {
struct iscsi_conn *conn;
struct list_head conn_accept_node;
struct completion conn_login_comp;
+ struct completion login_req_comp;
struct iser_tx_desc conn_login_tx_desc;
struct rdma_cm_id *conn_cm_id;
struct ib_pd *conn_pd;
struct ib_mr *conn_mr;
struct ib_qp *conn_qp;
struct isert_device *conn_device;
- struct work_struct conn_logout_work;
struct mutex conn_mutex;
struct completion conn_wait;
struct completion conn_wait_comp_err;
@@ -124,10 +126,10 @@ struct isert_conn {
int conn_fr_pool_size;
/* lock to protect fastreg pool */
spinlock_t conn_lock;
+ struct work_struct release_work;
#define ISERT_COMP_BATCH_COUNT 8
int conn_comp_batch;
struct llist_head conn_comp_llist;
- bool disconnect;
};
#define ISERT_MAX_CQ 64
@@ -158,6 +160,7 @@ struct isert_device {
};
struct isert_np {
+ struct iscsi_np *np;
struct semaphore np_sem;
struct rdma_cm_id *np_cm_id;
struct mutex np_accept_mutex;
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 8fca488fdc15..c43c46f7dcd0 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -408,6 +408,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
},
},
{
+ /* Acer Aspire 7738 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
+ },
+ },
+ {
/* Gericom Bellagio */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
@@ -721,6 +728,35 @@ static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
{ }
};
+/*
+ * Some laptops need keyboard reset before probing for the trackpad to get
+ * it detected, initialised & finally work.
+ */
+static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
+ {
+ /* Gigabyte P35 v2 - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
+ },
+ },
+ {
+ /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
+ },
+ },
+ {
+ /* Gigabyte P34 - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
+ },
+ },
+ { }
+};
+
#endif /* CONFIG_X86 */
#ifdef CONFIG_PNP
@@ -1016,6 +1052,9 @@ static int __init i8042_platform_init(void)
if (dmi_check_system(i8042_dmi_dritek_table))
i8042_dritek = true;
+ if (dmi_check_system(i8042_dmi_kbdreset_table))
+ i8042_kbdreset = true;
+
/*
* A20 was already enabled during early kernel init. But some buggy
* BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 3807c3e971cc..eb796fff9e62 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -67,6 +67,10 @@ static bool i8042_notimeout;
module_param_named(notimeout, i8042_notimeout, bool, 0);
MODULE_PARM_DESC(notimeout, "Ignore timeouts signalled by i8042");
+static bool i8042_kbdreset;
+module_param_named(kbdreset, i8042_kbdreset, bool, 0);
+MODULE_PARM_DESC(kbdreset, "Reset device connected to KBD port");
+
#ifdef CONFIG_X86
static bool i8042_dritek;
module_param_named(dritek, i8042_dritek, bool, 0);
@@ -790,6 +794,16 @@ static int __init i8042_check_aux(void)
return -1;
/*
+ * Reset keyboard (needed on some laptops to successfully detect
+ * touchpad, e.g., some Gigabyte laptop models with Elantech
+ * touchpads).
+ */
+ if (i8042_kbdreset) {
+ pr_warn("Attempting to reset device connected to KBD port\n");
+ i8042_kbd_write(NULL, (unsigned char) 0xff);
+ }
+
+/*
* Test AUX IRQ delivery to make sure BIOS did not grab the IRQ and
* used it for a PCI card or somethig else.
*/
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 5f9c2a665ca5..fbcb6225f794 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -199,7 +199,7 @@ void bch_btree_node_read_done(struct btree *b)
struct bset *i = btree_bset_first(b);
struct btree_iter *iter;
- iter = mempool_alloc(b->c->fill_iter, GFP_NOWAIT);
+ iter = mempool_alloc(b->c->fill_iter, GFP_NOIO);
iter->size = b->c->sb.bucket_size / b->c->sb.block_size;
iter->used = 0;
diff --git a/drivers/media/i2c/smiapp-pll.c b/drivers/media/i2c/smiapp-pll.c
index 2335529b195c..ab5d9a3adebf 100644
--- a/drivers/media/i2c/smiapp-pll.c
+++ b/drivers/media/i2c/smiapp-pll.c
@@ -67,7 +67,7 @@ static void print_pll(struct device *dev, struct smiapp_pll *pll)
{
dev_dbg(dev, "pre_pll_clk_div\t%d\n", pll->pre_pll_clk_div);
dev_dbg(dev, "pll_multiplier \t%d\n", pll->pll_multiplier);
- if (pll->flags != SMIAPP_PLL_FLAG_NO_OP_CLOCKS) {
+ if (!(pll->flags & SMIAPP_PLL_FLAG_NO_OP_CLOCKS)) {
dev_dbg(dev, "op_sys_clk_div \t%d\n", pll->op_sys_clk_div);
dev_dbg(dev, "op_pix_clk_div \t%d\n", pll->op_pix_clk_div);
}
@@ -77,7 +77,7 @@ static void print_pll(struct device *dev, struct smiapp_pll *pll)
dev_dbg(dev, "ext_clk_freq_hz \t%d\n", pll->ext_clk_freq_hz);
dev_dbg(dev, "pll_ip_clk_freq_hz \t%d\n", pll->pll_ip_clk_freq_hz);
dev_dbg(dev, "pll_op_clk_freq_hz \t%d\n", pll->pll_op_clk_freq_hz);
- if (pll->flags & SMIAPP_PLL_FLAG_NO_OP_CLOCKS) {
+ if (!(pll->flags & SMIAPP_PLL_FLAG_NO_OP_CLOCKS)) {
dev_dbg(dev, "op_sys_clk_freq_hz \t%d\n",
pll->op_sys_clk_freq_hz);
dev_dbg(dev, "op_pix_clk_freq_hz \t%d\n",
diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index 7026ab08ec91..873d0627a75b 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2624,7 +2624,9 @@ static int smiapp_registered(struct v4l2_subdev *subdev)
pll->flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE;
pll->scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
+ mutex_lock(&sensor->mutex);
rval = smiapp_update_mode(sensor);
+ mutex_unlock(&sensor->mutex);
if (rval) {
dev_err(&client->dev, "update mode failed\n");
goto out_nvm_release;
diff --git a/drivers/media/usb/au0828/au0828-cards.c b/drivers/media/usb/au0828/au0828-cards.c
index dd32decb237d..1d4b11038958 100644
--- a/drivers/media/usb/au0828/au0828-cards.c
+++ b/drivers/media/usb/au0828/au0828-cards.c
@@ -36,6 +36,11 @@ static void hvr950q_cs5340_audio(void *priv, int enable)
au0828_clear(dev, REG_000, 0x10);
}
+/*
+ * WARNING: There's a quirks table at sound/usb/quirks-table.h
+ * that should also be updated every time a new device with V4L2 support
+ * is added here.
+ */
struct au0828_board au0828_boards[] = {
[AU0828_BOARD_UNKNOWN] = {
.name = "Unknown board",
diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c
index af176b6ce738..e6d3561eea47 100644
--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -1081,9 +1081,12 @@ static int __init af9005_usb_module_init(void)
err("usb_register failed. (%d)", result);
return result;
}
+#if IS_MODULE(CONFIG_DVB_USB_AF9005) || defined(CONFIG_DVB_USB_AF9005_REMOTE)
+ /* FIXME: convert to todays kernel IR infrastructure */
rc_decode = symbol_request(af9005_rc_decode);
rc_keys = symbol_request(rc_map_af9005_table);
rc_keys_size = symbol_request(rc_map_af9005_table_size);
+#endif
if (rc_decode == NULL || rc_keys == NULL || rc_keys_size == NULL) {
err("af9005_rc_decode function not found, disabling remote");
af9005_properties.rc.legacy.rc_query = NULL;
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 753ad4cfc118..45314412b4a3 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -1603,12 +1603,12 @@ static void uvc_delete(struct uvc_device *dev)
{
struct list_head *p, *n;
- usb_put_intf(dev->intf);
- usb_put_dev(dev->udev);
-
uvc_status_cleanup(dev);
uvc_ctrl_cleanup_device(dev);
+ usb_put_intf(dev->intf);
+ usb_put_dev(dev->udev);
+
if (dev->vdev.dev)
v4l2_device_unregister(&dev->vdev);
#ifdef CONFIG_MEDIA_CONTROLLER
diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index e77d11049747..4e65b35bebc0 100644
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -1237,6 +1237,9 @@ static int kvaser_usb_close(struct net_device *netdev)
if (err)
netdev_warn(netdev, "Cannot stop device, error %d\n", err);
+ /* reset tx contexts */
+ kvaser_usb_unlink_tx_urbs(priv);
+
priv->can.state = CAN_STATE_STOPPED;
close_candev(priv->netdev);
@@ -1285,12 +1288,14 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
if (!urb) {
netdev_err(netdev, "No memory left for URBs\n");
stats->tx_dropped++;
- goto nourbmem;
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
}
buf = kmalloc(sizeof(struct kvaser_msg), GFP_ATOMIC);
if (!buf) {
stats->tx_dropped++;
+ dev_kfree_skb(skb);
goto nobufmem;
}
@@ -1325,6 +1330,7 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
}
}
+ /* This should never happen; it implies a flow control bug */
if (!context) {
netdev_warn(netdev, "cannot find free context\n");
ret = NETDEV_TX_BUSY;
@@ -1355,9 +1361,6 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
if (unlikely(err)) {
can_free_echo_skb(netdev, context->echo_index);
- skb = NULL; /* set to NULL to avoid double free in
- * dev_kfree_skb(skb) */
-
atomic_dec(&priv->active_tx_urbs);
usb_unanchor_urb(urb);
@@ -1379,8 +1382,6 @@ releasebuf:
kfree(buf);
nobufmem:
usb_free_urb(urb);
-nourbmem:
- dev_kfree_skb(skb);
return ret;
}
@@ -1492,6 +1493,10 @@ static int kvaser_usb_init_one(struct usb_interface *intf,
struct kvaser_usb_net_priv *priv;
int i, err;
+ err = kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, channel);
+ if (err)
+ return err;
+
netdev = alloc_candev(sizeof(*priv), MAX_TX_URBS);
if (!netdev) {
dev_err(&intf->dev, "Cannot alloc candev\n");
@@ -1595,9 +1600,6 @@ static int kvaser_usb_probe(struct usb_interface *intf,
usb_set_intfdata(intf, dev);
- for (i = 0; i < MAX_NET_DEVICES; i++)
- kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, i);
-
err = kvaser_usb_get_software_info(dev);
if (err) {
dev_err(&intf->dev,
diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index 380d24922049..3e1d7d29b4ec 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -184,15 +184,16 @@ static void alx_schedule_reset(struct alx_priv *alx)
schedule_work(&alx->reset_wk);
}
-static bool alx_clean_rx_irq(struct alx_priv *alx, int budget)
+static int alx_clean_rx_irq(struct alx_priv *alx, int budget)
{
struct alx_rx_queue *rxq = &alx->rxq;
struct alx_rrd *rrd;
struct alx_buffer *rxb;
struct sk_buff *skb;
u16 length, rfd_cleaned = 0;
+ int work = 0;
- while (budget > 0) {
+ while (work < budget) {
rrd = &rxq->rrd[rxq->rrd_read_idx];
if (!(rrd->word3 & cpu_to_le32(1 << RRD_UPDATED_SHIFT)))
break;
@@ -203,7 +204,7 @@ static bool alx_clean_rx_irq(struct alx_priv *alx, int budget)
ALX_GET_FIELD(le32_to_cpu(rrd->word0),
RRD_NOR) != 1) {
alx_schedule_reset(alx);
- return 0;
+ return work;
}
rxb = &rxq->bufs[rxq->read_idx];
@@ -243,7 +244,7 @@ static bool alx_clean_rx_irq(struct alx_priv *alx, int budget)
}
napi_gro_receive(&alx->napi, skb);
- budget--;
+ work++;
next_pkt:
if (++rxq->read_idx == alx->rx_ringsz)
@@ -258,21 +259,22 @@ next_pkt:
if (rfd_cleaned)
alx_refill_rx_ring(alx, GFP_ATOMIC);
- return budget > 0;
+ return work;
}
static int alx_poll(struct napi_struct *napi, int budget)
{
struct alx_priv *alx = container_of(napi, struct alx_priv, napi);
struct alx_hw *hw = &alx->hw;
- bool complete = true;
unsigned long flags;
+ bool tx_complete;
+ int work;
- complete = alx_clean_tx_irq(alx) &&
- alx_clean_rx_irq(alx, budget);
+ tx_complete = alx_clean_tx_irq(alx);
+ work = alx_clean_rx_irq(alx, budget);
- if (!complete)
- return 1;
+ if (!tx_complete || work == budget)
+ return budget;
napi_complete(&alx->napi);
@@ -284,7 +286,7 @@ static int alx_poll(struct napi_struct *napi, int budget)
alx_post_write(hw);
- return 0;
+ return work;
}
static irqreturn_t alx_intr_handle(struct alx_priv *alx, u32 intr)
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 086eac5af5c2..82061139b215 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -17731,23 +17731,6 @@ static int tg3_init_one(struct pci_dev *pdev,
goto err_out_apeunmap;
}
- /*
- * Reset chip in case UNDI or EFI driver did not shutdown
- * DMA self test will enable WDMAC and we'll see (spurious)
- * pending DMA on the PCI bus at that point.
- */
- if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
- (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
- tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
- tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
- }
-
- err = tg3_test_dma(tp);
- if (err) {
- dev_err(&pdev->dev, "DMA engine test failed, aborting\n");
- goto err_out_apeunmap;
- }
-
intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
@@ -17792,6 +17775,23 @@ static int tg3_init_one(struct pci_dev *pdev,
sndmbx += 0xc;
}
+ /*
+ * Reset chip in case UNDI or EFI driver did not shutdown
+ * DMA self test will enable WDMAC and we'll see (spurious)
+ * pending DMA on the PCI bus at that point.
+ */
+ if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
+ (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
+ tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
+ tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
+ }
+
+ err = tg3_test_dma(tp);
+ if (err) {
+ dev_err(&pdev->dev, "DMA engine test failed, aborting\n");
+ goto err_out_apeunmap;
+ }
+
tg3_init_coal(tp);
pci_set_drvdata(pdev, dev);
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index b740bfce72ef..ff9b423805a0 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1044,10 +1044,14 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
PKT_HASH_TYPE_L4 : PKT_HASH_TYPE_L3);
}
- if ((netdev->features & NETIF_F_RXCSUM) && !csum_not_calc) {
- skb->csum = htons(checksum);
- skb->ip_summed = CHECKSUM_COMPLETE;
- }
+ /* Hardware does not provide whole packet checksum. It only
+ * provides pseudo checksum. Since hw validates the packet
+ * checksum but not provide us the checksum value. use
+ * CHECSUM_UNNECESSARY.
+ */
+ if ((netdev->features & NETIF_F_RXCSUM) && tcp_udp_csum_ok &&
+ ipv4_csum_ok)
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
if (vlan_stripped)
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tci);
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 921b9df2faca..316650c3b5d7 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -596,7 +596,7 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable)
/* Clear all mcast from ALE */
cpsw_ale_flush_multicast(ale, ALE_ALL_PORTS <<
- priv->host_port);
+ priv->host_port, -1);
/* Flood All Unicast Packets to Host port */
cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 1);
@@ -620,6 +620,12 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable)
static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
{
struct cpsw_priv *priv = netdev_priv(ndev);
+ int vid;
+
+ if (priv->data.dual_emac)
+ vid = priv->slaves[priv->emac_port].port_vlan;
+ else
+ vid = priv->data.default_vlan;
if (ndev->flags & IFF_PROMISC) {
/* Enable promiscuous mode */
@@ -631,7 +637,8 @@ static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
}
/* Clear all mcast from ALE */
- cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port);
+ cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port,
+ vid);
if (!netdev_mc_empty(ndev)) {
struct netdev_hw_addr *ha;
@@ -716,6 +723,14 @@ static void cpsw_rx_handler(void *token, int len, int status)
static irqreturn_t cpsw_interrupt(int irq, void *dev_id)
{
struct cpsw_priv *priv = dev_id;
+ int value = irq - priv->irqs_table[0];
+
+ /* NOTICE: Ending IRQ here. The trick with the 'value' variable above
+ * is to make sure we will always write the correct value to the EOI
+ * register. Namely 0 for RX_THRESH Interrupt, 1 for RX Interrupt, 2
+ * for TX Interrupt and 3 for MISC Interrupt.
+ */
+ cpdma_ctlr_eoi(priv->dma, value);
cpsw_intr_disable(priv);
if (priv->irq_enabled == true) {
@@ -745,8 +760,6 @@ static int cpsw_poll(struct napi_struct *napi, int budget)
int num_tx, num_rx;
num_tx = cpdma_chan_process(priv->txch, 128);
- if (num_tx)
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
num_rx = cpdma_chan_process(priv->rxch, budget);
if (num_rx < budget) {
@@ -754,7 +767,6 @@ static int cpsw_poll(struct napi_struct *napi, int budget)
napi_complete(napi);
cpsw_intr_enable(priv);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
prim_cpsw = cpsw_get_slave_priv(priv, 0);
if (prim_cpsw->irq_enabled == false) {
prim_cpsw->irq_enabled = true;
@@ -1265,8 +1277,6 @@ static int cpsw_ndo_open(struct net_device *ndev)
napi_enable(&priv->napi);
cpdma_ctlr_start(priv->dma);
cpsw_intr_enable(priv);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
if (priv->data.dual_emac)
priv->slaves[priv->emac_port].open_stat = true;
@@ -1512,9 +1522,6 @@ static void cpsw_ndo_tx_timeout(struct net_device *ndev)
cpdma_chan_start(priv->txch);
cpdma_ctlr_int_ctrl(priv->dma, true);
cpsw_intr_enable(priv);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
-
}
static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
@@ -1560,9 +1567,6 @@ static void cpsw_ndo_poll_controller(struct net_device *ndev)
cpsw_interrupt(ndev->irq, priv);
cpdma_ctlr_int_ctrl(priv->dma, true);
cpsw_intr_enable(priv);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
- cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
-
}
#endif
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 7f893069c418..4eceb7e42c80 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -236,7 +236,7 @@ static void cpsw_ale_flush_mcast(struct cpsw_ale *ale, u32 *ale_entry,
cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);
}
-int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask)
+int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid)
{
u32 ale_entry[ALE_ENTRY_WORDS];
int ret, idx;
@@ -247,6 +247,14 @@ int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask)
if (ret != ALE_TYPE_ADDR && ret != ALE_TYPE_VLAN_ADDR)
continue;
+ /* if vid passed is -1 then remove all multicast entry from
+ * the table irrespective of vlan id, if a valid vlan id is
+ * passed then remove only multicast added to that vlan id.
+ * if vlan id doesn't match then move on to next entry.
+ */
+ if (vid != -1 && cpsw_ale_get_vlan_id(ale_entry) != vid)
+ continue;
+
if (cpsw_ale_get_mcast(ale_entry)) {
u8 addr[6];
diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h
index de409c33b250..e701358fd00b 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.h
+++ b/drivers/net/ethernet/ti/cpsw_ale.h
@@ -88,7 +88,7 @@ void cpsw_ale_stop(struct cpsw_ale *ale);
int cpsw_ale_set_ageout(struct cpsw_ale *ale, int ageout);
int cpsw_ale_flush(struct cpsw_ale *ale, int port_mask);
-int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask);
+int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid);
int cpsw_ale_add_ucast(struct cpsw_ale *ale, u8 *addr, int port,
int flags, u16 vid);
int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port,
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 979fe433278c..32efe8371ff8 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -629,6 +629,7 @@ static int team_change_mode(struct team *team, const char *kind)
static void team_notify_peers_work(struct work_struct *work)
{
struct team *team;
+ int val;
team = container_of(work, struct team, notify_peers.dw.work);
@@ -636,9 +637,14 @@ static void team_notify_peers_work(struct work_struct *work)
schedule_delayed_work(&team->notify_peers.dw, 0);
return;
}
+ val = atomic_dec_if_positive(&team->notify_peers.count_pending);
+ if (val < 0) {
+ rtnl_unlock();
+ return;
+ }
call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, team->dev);
rtnl_unlock();
- if (!atomic_dec_and_test(&team->notify_peers.count_pending))
+ if (val)
schedule_delayed_work(&team->notify_peers.dw,
msecs_to_jiffies(team->notify_peers.interval));
}
@@ -669,6 +675,7 @@ static void team_notify_peers_fini(struct team *team)
static void team_mcast_rejoin_work(struct work_struct *work)
{
struct team *team;
+ int val;
team = container_of(work, struct team, mcast_rejoin.dw.work);
@@ -676,9 +683,14 @@ static void team_mcast_rejoin_work(struct work_struct *work)
schedule_delayed_work(&team->mcast_rejoin.dw, 0);
return;
}
+ val = atomic_dec_if_positive(&team->mcast_rejoin.count_pending);
+ if (val < 0) {
+ rtnl_unlock();
+ return;
+ }
call_netdevice_notifiers(NETDEV_RESEND_IGMP, team->dev);
rtnl_unlock();
- if (!atomic_dec_and_test(&team->mcast_rejoin.count_pending))
+ if (val)
schedule_delayed_work(&team->mcast_rejoin.dw,
msecs_to_jiffies(team->mcast_rejoin.interval));
}
diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index 3dc934438c28..07fbcb0fb646 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -237,6 +237,7 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = {
AXIS_DMI_MATCH("HPB64xx", "HP ProBook 64", xy_swap),
AXIS_DMI_MATCH("HPB64xx", "HP EliteBook 84", xy_swap),
AXIS_DMI_MATCH("HPB65xx", "HP ProBook 65", x_inverted),
+ AXIS_DMI_MATCH("HPZBook15", "HP ZBook 15", x_inverted),
{ NULL, }
/* Laptop models without axis info (yet):
* "NC6910" "HP Compaq 6910"
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index bb86494e2b7b..19915c5b256f 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -288,12 +288,16 @@ static void raw3215_timeout(unsigned long __data)
unsigned long flags;
spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
- if (raw->flags & RAW3215_TIMER_RUNS) {
- del_timer(&raw->timer);
- raw->flags &= ~RAW3215_TIMER_RUNS;
- if (!(raw->port.flags & ASYNC_SUSPENDED)) {
- raw3215_mk_write_req(raw);
- raw3215_start_io(raw);
+ raw->flags &= ~RAW3215_TIMER_RUNS;
+ if (!(raw->port.flags & ASYNC_SUSPENDED)) {
+ raw3215_mk_write_req(raw);
+ raw3215_start_io(raw);
+ if ((raw->queued_read || raw->queued_write) &&
+ !(raw->flags & RAW3215_WORKING) &&
+ !(raw->flags & RAW3215_TIMER_RUNS)) {
+ raw->timer.expires = RAW3215_TIMEOUT + jiffies;
+ add_timer(&raw->timer);
+ raw->flags |= RAW3215_TIMER_RUNS;
}
}
spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
@@ -317,17 +321,15 @@ static inline void raw3215_try_io(struct raw3215_info *raw)
(raw->flags & RAW3215_FLUSHING)) {
/* execute write requests bigger than minimum size */
raw3215_start_io(raw);
- if (raw->flags & RAW3215_TIMER_RUNS) {
- del_timer(&raw->timer);
- raw->flags &= ~RAW3215_TIMER_RUNS;
- }
- } else if (!(raw->flags & RAW3215_TIMER_RUNS)) {
- /* delay small writes */
- raw->timer.expires = RAW3215_TIMEOUT + jiffies;
- add_timer(&raw->timer);
- raw->flags |= RAW3215_TIMER_RUNS;
}
}
+ if ((raw->queued_read || raw->queued_write) &&
+ !(raw->flags & RAW3215_WORKING) &&
+ !(raw->flags & RAW3215_TIMER_RUNS)) {
+ raw->timer.expires = RAW3215_TIMEOUT + jiffies;
+ add_timer(&raw->timer);
+ raw->flags |= RAW3215_TIMER_RUNS;
+ }
}
/*
@@ -1027,12 +1029,26 @@ static int tty3215_write(struct tty_struct * tty,
const unsigned char *buf, int count)
{
struct raw3215_info *raw;
+ int i, written;
if (!tty)
return 0;
raw = (struct raw3215_info *) tty->driver_data;
- raw3215_write(raw, buf, count);
- return count;
+ written = count;
+ while (count > 0) {
+ for (i = 0; i < count; i++)
+ if (buf[i] == '\t' || buf[i] == '\n')
+ break;
+ raw3215_write(raw, buf, i);
+ count -= i;
+ buf += i;
+ if (count > 0) {
+ raw3215_putchar(raw, *buf);
+ count--;
+ buf++;
+ }
+ }
+ return written;
}
/*
@@ -1180,7 +1196,7 @@ static int __init tty3215_init(void)
driver->subtype = SYSTEM_TYPE_TTY;
driver->init_termios = tty_std_termios;
driver->init_termios.c_iflag = IGNBRK | IGNPAR;
- driver->init_termios.c_oflag = ONLCR | XTABS;
+ driver->init_termios.c_oflag = ONLCR;
driver->init_termios.c_lflag = ISIG;
driver->flags = TTY_DRIVER_REAL_RAW;
tty_set_operations(driver, &tty3215_ops);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c
index 410f4a3e8888..72f9c55d0e00 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_transport.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c
@@ -1006,12 +1006,9 @@ mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
&mpt2sas_phy->remote_identify);
_transport_add_phy_to_an_existing_port(ioc, sas_node,
mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address);
- } else {
+ } else
memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct
sas_identify));
- _transport_del_phy_from_an_existing_port(ioc, sas_node,
- mpt2sas_phy);
- }
if (mpt2sas_phy->phy)
mpt2sas_phy->phy->negotiated_linkrate =
diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c
index 65170cb1a00f..55aa597eb229 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_transport.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c
@@ -1003,12 +1003,9 @@ mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
&mpt3sas_phy->remote_identify);
_transport_add_phy_to_an_existing_port(ioc, sas_node,
mpt3sas_phy, mpt3sas_phy->remote_identify.sas_address);
- } else {
+ } else
memset(&mpt3sas_phy->remote_identify, 0 , sizeof(struct
sas_identify));
- _transport_del_phy_from_an_existing_port(ioc, sas_node,
- mpt3sas_phy);
- }
if (mpt3sas_phy->phy)
mpt3sas_phy->phy->negotiated_linkrate =
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index c1d04d4d3c6c..262ab837a704 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -211,6 +211,7 @@ static struct {
{"Medion", "Flash XL MMC/SD", "2.6D", BLIST_FORCELUN},
{"MegaRAID", "LD", NULL, BLIST_FORCELUN},
{"MICROP", "4110", NULL, BLIST_NOTQ},
+ {"MSFT", "Virtual HD", NULL, BLIST_NO_RSOC},
{"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2},
{"nCipher", "Fastness Crypto", NULL, BLIST_FORCELUN},
{"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index ed0f899e8aa5..86b05151fdab 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1690,13 +1690,12 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
if (ret == -EAGAIN) {
/* no more space */
- if (cmd_request->bounce_sgl_count) {
+ if (cmd_request->bounce_sgl_count)
destroy_bounce_buffer(cmd_request->bounce_sgl,
cmd_request->bounce_sgl_count);
- ret = SCSI_MLQUEUE_DEVICE_BUSY;
- goto queue_error;
- }
+ ret = SCSI_MLQUEUE_DEVICE_BUSY;
+ goto queue_error;
}
return 0;
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index d509aa74cfa1..c5d3811a7b8c 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -1186,6 +1186,9 @@ old_sess_out:
conn->sock = NULL;
}
+ if (conn->conn_transport->iscsit_wait_conn)
+ conn->conn_transport->iscsit_wait_conn(conn);
+
if (conn->conn_transport->iscsit_free_conn)
conn->conn_transport->iscsit_free_conn(conn);
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index ab77f80ead2b..1e406af4ee47 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -1356,15 +1356,15 @@ static int iscsit_do_tx_data(
struct iscsi_conn *conn,
struct iscsi_data_count *count)
{
- int data = count->data_length, total_tx = 0, tx_loop = 0, iov_len;
+ int ret, iov_len;
struct kvec *iov_p;
struct msghdr msg;
if (!conn || !conn->sock || !conn->conn_ops)
return -1;
- if (data <= 0) {
- pr_err("Data length is: %d\n", data);
+ if (count->data_length <= 0) {
+ pr_err("Data length is: %d\n", count->data_length);
return -1;
}
@@ -1373,20 +1373,16 @@ static int iscsit_do_tx_data(
iov_p = count->iov;
iov_len = count->iov_count;
- while (total_tx < data) {
- tx_loop = kernel_sendmsg(conn->sock, &msg, iov_p, iov_len,
- (data - total_tx));
- if (tx_loop <= 0) {
- pr_debug("tx_loop: %d total_tx %d\n",
- tx_loop, total_tx);
- return tx_loop;
- }
- total_tx += tx_loop;
- pr_debug("tx_loop: %d, total_tx: %d, data: %d\n",
- tx_loop, total_tx, data);
+ ret = kernel_sendmsg(conn->sock, &msg, iov_p, iov_len,
+ count->data_length);
+ if (ret != count->data_length) {
+ pr_err("Unexpected ret: %d send data %d\n",
+ ret, count->data_length);
+ return -EPIPE;
}
+ pr_debug("ret: %d, sent data: %d\n", ret, count->data_length);
- return total_tx;
+ return ret;
}
int rx_data(
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index fadad7c5f635..67c802c93ef3 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -153,18 +153,11 @@ static int tcm_loop_change_queue_type(struct scsi_device *sdev, int tag)
/*
* Locate the SAM Task Attr from struct scsi_cmnd *
*/
-static int tcm_loop_sam_attr(struct scsi_cmnd *sc)
-{
- if (sc->device->tagged_supported) {
- switch (sc->tag) {
- case HEAD_OF_QUEUE_TAG:
- return MSG_HEAD_TAG;
- case ORDERED_QUEUE_TAG:
- return MSG_ORDERED_TAG;
- default:
- break;
- }
- }
+static int tcm_loop_sam_attr(struct scsi_cmnd *sc, int tag)
+{
+ if (sc->device->tagged_supported &&
+ sc->device->ordered_tags && tag >= 0)
+ return MSG_ORDERED_TAG;
return MSG_SIMPLE_TAG;
}
@@ -197,7 +190,7 @@ static void tcm_loop_submission_work(struct work_struct *work)
set_host_byte(sc, DID_TRANSPORT_DISRUPTED);
goto out_done;
}
- tl_nexus = tl_hba->tl_nexus;
+ tl_nexus = tl_tpg->tl_nexus;
if (!tl_nexus) {
scmd_printk(KERN_ERR, sc, "TCM_Loop I_T Nexus"
" does not exist\n");
@@ -214,7 +207,7 @@ static void tcm_loop_submission_work(struct work_struct *work)
}
rc = target_submit_cmd_map_sgls(se_cmd, tl_nexus->se_sess, sc->cmnd,
&tl_cmd->tl_sense_buf[0], tl_cmd->sc->device->lun,
- scsi_bufflen(sc), tcm_loop_sam_attr(sc),
+ scsi_bufflen(sc), tcm_loop_sam_attr(sc, tl_cmd->sc_cmd_tag),
sc->sc_data_direction, 0,
scsi_sglist(sc), scsi_sg_count(sc),
sgl_bidi, sgl_bidi_count,
@@ -252,7 +245,7 @@ static int tcm_loop_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *sc)
}
tl_cmd->sc = sc;
- tl_cmd->sc_cmd_tag = sc->tag;
+ tl_cmd->sc_cmd_tag = sc->request->tag;
INIT_WORK(&tl_cmd->work, tcm_loop_submission_work);
queue_work(tcm_loop_workqueue, &tl_cmd->work);
return 0;
@@ -263,16 +256,26 @@ static int tcm_loop_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *sc)
* to struct scsi_device
*/
static int tcm_loop_issue_tmr(struct tcm_loop_tpg *tl_tpg,
- struct tcm_loop_nexus *tl_nexus,
int lun, int task, enum tcm_tmreq_table tmr)
{
struct se_cmd *se_cmd = NULL;
struct se_session *se_sess;
struct se_portal_group *se_tpg;
+ struct tcm_loop_nexus *tl_nexus;
struct tcm_loop_cmd *tl_cmd = NULL;
struct tcm_loop_tmr *tl_tmr = NULL;
int ret = TMR_FUNCTION_FAILED, rc;
+ /*
+ * Locate the tl_nexus and se_sess pointers
+ */
+ tl_nexus = tl_tpg->tl_nexus;
+ if (!tl_nexus) {
+ pr_err("Unable to perform device reset without"
+ " active I_T Nexus\n");
+ return ret;
+ }
+
tl_cmd = kmem_cache_zalloc(tcm_loop_cmd_cache, GFP_KERNEL);
if (!tl_cmd) {
pr_err("Unable to allocate memory for tl_cmd\n");
@@ -288,7 +291,7 @@ static int tcm_loop_issue_tmr(struct tcm_loop_tpg *tl_tpg,
se_cmd = &tl_cmd->tl_se_cmd;
se_tpg = &tl_tpg->tl_se_tpg;
- se_sess = tl_nexus->se_sess;
+ se_sess = tl_tpg->tl_nexus->se_sess;
/*
* Initialize struct se_cmd descriptor from target_core_mod infrastructure
*/
@@ -333,7 +336,6 @@ release:
static int tcm_loop_abort_task(struct scsi_cmnd *sc)
{
struct tcm_loop_hba *tl_hba;
- struct tcm_loop_nexus *tl_nexus;
struct tcm_loop_tpg *tl_tpg;
int ret = FAILED;
@@ -341,22 +343,9 @@ static int tcm_loop_abort_task(struct scsi_cmnd *sc)
* Locate the tcm_loop_hba_t pointer
*/
tl_hba = *(struct tcm_loop_hba **)shost_priv(sc->device->host);
- /*
- * Locate the tl_nexus and se_sess pointers
- */
- tl_nexus = tl_hba->tl_nexus;
- if (!tl_nexus) {
- pr_err("Unable to perform device reset without"
- " active I_T Nexus\n");
- return FAILED;
- }
-
- /*
- * Locate the tl_tpg pointer from TargetID in sc->device->id
- */
tl_tpg = &tl_hba->tl_hba_tpgs[sc->device->id];
- ret = tcm_loop_issue_tmr(tl_tpg, tl_nexus, sc->device->lun,
- sc->tag, TMR_ABORT_TASK);
+ ret = tcm_loop_issue_tmr(tl_tpg, sc->device->lun,
+ sc->request->tag, TMR_ABORT_TASK);
return (ret == TMR_FUNCTION_COMPLETE) ? SUCCESS : FAILED;
}
@@ -367,7 +356,6 @@ static int tcm_loop_abort_task(struct scsi_cmnd *sc)
static int tcm_loop_device_reset(struct scsi_cmnd *sc)
{
struct tcm_loop_hba *tl_hba;
- struct tcm_loop_nexus *tl_nexus;
struct tcm_loop_tpg *tl_tpg;
int ret = FAILED;
@@ -375,20 +363,9 @@ static int tcm_loop_device_reset(struct scsi_cmnd *sc)
* Locate the tcm_loop_hba_t pointer
*/
tl_hba = *(struct tcm_loop_hba **)shost_priv(sc->device->host);
- /*
- * Locate the tl_nexus and se_sess pointers
- */
- tl_nexus = tl_hba->tl_nexus;
- if (!tl_nexus) {
- pr_err("Unable to perform device reset without"
- " active I_T Nexus\n");
- return FAILED;
- }
- /*
- * Locate the tl_tpg pointer from TargetID in sc->device->id
- */
tl_tpg = &tl_hba->tl_hba_tpgs[sc->device->id];
- ret = tcm_loop_issue_tmr(tl_tpg, tl_nexus, sc->device->lun,
+
+ ret = tcm_loop_issue_tmr(tl_tpg, sc->device->lun,
0, TMR_LUN_RESET);
return (ret == TMR_FUNCTION_COMPLETE) ? SUCCESS : FAILED;
}
@@ -995,8 +972,8 @@ static int tcm_loop_make_nexus(
struct tcm_loop_nexus *tl_nexus;
int ret = -ENOMEM;
- if (tl_tpg->tl_hba->tl_nexus) {
- pr_debug("tl_tpg->tl_hba->tl_nexus already exists\n");
+ if (tl_tpg->tl_nexus) {
+ pr_debug("tl_tpg->tl_nexus already exists\n");
return -EEXIST;
}
se_tpg = &tl_tpg->tl_se_tpg;
@@ -1031,7 +1008,7 @@ static int tcm_loop_make_nexus(
*/
__transport_register_session(se_tpg, tl_nexus->se_sess->se_node_acl,
tl_nexus->se_sess, tl_nexus);
- tl_tpg->tl_hba->tl_nexus = tl_nexus;
+ tl_tpg->tl_nexus = tl_nexus;
pr_debug("TCM_Loop_ConfigFS: Established I_T Nexus to emulated"
" %s Initiator Port: %s\n", tcm_loop_dump_proto_id(tl_hba),
name);
@@ -1047,12 +1024,8 @@ static int tcm_loop_drop_nexus(
{
struct se_session *se_sess;
struct tcm_loop_nexus *tl_nexus;
- struct tcm_loop_hba *tl_hba = tpg->tl_hba;
- if (!tl_hba)
- return -ENODEV;
-
- tl_nexus = tl_hba->tl_nexus;
+ tl_nexus = tpg->tl_nexus;
if (!tl_nexus)
return -ENODEV;
@@ -1068,13 +1041,13 @@ static int tcm_loop_drop_nexus(
}
pr_debug("TCM_Loop_ConfigFS: Removing I_T Nexus to emulated"
- " %s Initiator Port: %s\n", tcm_loop_dump_proto_id(tl_hba),
+ " %s Initiator Port: %s\n", tcm_loop_dump_proto_id(tpg->tl_hba),
tl_nexus->se_sess->se_node_acl->initiatorname);
/*
* Release the SCSI I_T Nexus to the emulated SAS Target Port
*/
transport_deregister_session(tl_nexus->se_sess);
- tpg->tl_hba->tl_nexus = NULL;
+ tpg->tl_nexus = NULL;
kfree(tl_nexus);
return 0;
}
@@ -1090,7 +1063,7 @@ static ssize_t tcm_loop_tpg_show_nexus(
struct tcm_loop_nexus *tl_nexus;
ssize_t ret;
- tl_nexus = tl_tpg->tl_hba->tl_nexus;
+ tl_nexus = tl_tpg->tl_nexus;
if (!tl_nexus)
return -ENODEV;
diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h
index 54c59d0b6608..6ae49f272ba6 100644
--- a/drivers/target/loopback/tcm_loop.h
+++ b/drivers/target/loopback/tcm_loop.h
@@ -27,11 +27,6 @@ struct tcm_loop_tmr {
};
struct tcm_loop_nexus {
- int it_nexus_active;
- /*
- * Pointer to Linux/SCSI HBA from linux/include/scsi_host.h
- */
- struct scsi_host *sh;
/*
* Pointer to TCM session for I_T Nexus
*/
@@ -51,6 +46,7 @@ struct tcm_loop_tpg {
atomic_t tl_tpg_port_count;
struct se_portal_group tl_se_tpg;
struct tcm_loop_hba *tl_hba;
+ struct tcm_loop_nexus *tl_nexus;
};
struct tcm_loop_hba {
@@ -59,7 +55,6 @@ struct tcm_loop_hba {
struct se_hba_s *se_hba;
struct se_lun *tl_hba_lun;
struct se_port *tl_hba_lun_sep;
- struct tcm_loop_nexus *tl_nexus;
struct device dev;
struct Scsi_Host *sh;
struct tcm_loop_tpg tl_hba_tpgs[TL_TPGS_PER_HBA];
diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
index a084325f1386..6e75177915fa 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -435,7 +435,6 @@ static int clamp_thread(void *arg)
* allowed. thus jiffies are updated properly.
*/
preempt_disable();
- tick_nohz_idle_enter();
/* mwait until target jiffies is reached */
while (time_before(jiffies, target_jiffies)) {
unsigned long ecx = 1;
@@ -451,7 +450,6 @@ static int clamp_thread(void *arg)
start_critical_timings();
atomic_inc(&idle_wakeup_counter);
}
- tick_nohz_idle_exit();
preempt_enable();
}
del_timer_sync(&wakeup_timer);
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index d90c70c23adb..8f6738d46b14 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -887,8 +887,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting)
if (i == (request->num_mapped_sgs - 1) ||
sg_is_last(s)) {
- if (list_is_last(&req->list,
- &dep->request_list))
+ if (list_empty(&dep->request_list))
last_one = true;
chain = false;
}
@@ -906,6 +905,9 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting)
if (last_one)
break;
}
+
+ if (last_one)
+ break;
} else {
dma = req->request.dma;
length = req->request.length;
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index e113fd73aeae..c399606f154e 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1581,6 +1581,10 @@ iso_stream_schedule (
else
next = (now + 2 + 7) & ~0x07; /* full frame cache */
+ /* If needed, initialize last_iso_frame so that this URB will be seen */
+ if (ehci->isoc_count == 0)
+ ehci->last_iso_frame = now >> 3;
+
/*
* Use ehci->last_iso_frame as the base. There can't be any
* TDs scheduled for earlier than that.
@@ -1671,10 +1675,6 @@ iso_stream_schedule (
urb->start_frame = start & (mod - 1);
if (!stream->highspeed)
urb->start_frame >>= 3;
-
- /* Make sure scan_isoc() sees these */
- if (ehci->isoc_count == 0)
- ehci->last_iso_frame = now >> 3;
return status;
fail:
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 2f3acebb577a..f4e6b945136c 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -571,7 +571,8 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
{
void __iomem *base;
u32 control;
- u32 fminterval;
+ u32 fminterval = 0;
+ bool no_fminterval = false;
int cnt;
if (!mmio_resource_enabled(pdev, 0))
@@ -581,6 +582,13 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
if (base == NULL)
return;
+ /*
+ * ULi M5237 OHCI controller locks the whole system when accessing
+ * the OHCI_FMINTERVAL offset.
+ */
+ if (pdev->vendor == PCI_VENDOR_ID_AL && pdev->device == 0x5237)
+ no_fminterval = true;
+
control = readl(base + OHCI_CONTROL);
/* On PA-RISC, PDC can leave IR set incorrectly; ignore it there. */
@@ -619,7 +627,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
}
/* software reset of the controller, preserving HcFmInterval */
- fminterval = readl(base + OHCI_FMINTERVAL);
+ if (!no_fminterval)
+ fminterval = readl(base + OHCI_FMINTERVAL);
+
writel(OHCI_HCR, base + OHCI_CMDSTATUS);
/* reset requires max 10 us delay */
@@ -628,7 +638,9 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
break;
udelay(1);
}
- writel(fminterval, base + OHCI_FMINTERVAL);
+
+ if (!no_fminterval)
+ writel(fminterval, base + OHCI_FMINTERVAL);
/* Now the controller is safely in SUSPEND and nothing can wake it up */
iounmap(base);
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index abb38c3833ef..6b0fb6af6815 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2640,7 +2640,6 @@ void musb_host_cleanup(struct musb *musb)
if (musb->port_mode == MUSB_PORT_MODE_GADGET)
return;
usb_remove_hcd(musb->hcd);
- musb->hcd = NULL;
}
void musb_host_free(struct musb *musb)
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 8d7fc48b1f30..29fa1c3d0089 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -46,6 +46,8 @@ static struct console usbcons;
* ------------------------------------------------------------
*/
+static const struct tty_operations usb_console_fake_tty_ops = {
+};
/*
* The parsing of the command line works exactly like the
@@ -137,13 +139,17 @@ static int usb_console_setup(struct console *co, char *options)
goto reset_open_count;
}
kref_init(&tty->kref);
- tty_port_tty_set(&port->port, tty);
tty->driver = usb_serial_tty_driver;
tty->index = co->index;
+ init_ldsem(&tty->ldisc_sem);
+ INIT_LIST_HEAD(&tty->tty_files);
+ kref_get(&tty->driver->kref);
+ tty->ops = &usb_console_fake_tty_ops;
if (tty_init_termios(tty)) {
retval = -ENOMEM;
- goto free_tty;
+ goto put_tty;
}
+ tty_port_tty_set(&port->port, tty);
}
/* only call the device specific open if this
@@ -161,7 +167,7 @@ static int usb_console_setup(struct console *co, char *options)
serial->type->set_termios(tty, port, &dummy);
tty_port_tty_set(&port->port, NULL);
- kfree(tty);
+ tty_kref_put(tty);
}
set_bit(ASYNCB_INITIALIZED, &port->port.flags);
}
@@ -177,8 +183,8 @@ static int usb_console_setup(struct console *co, char *options)
fail:
tty_port_tty_set(&port->port, NULL);
- free_tty:
- kfree(tty);
+ put_tty:
+ tty_kref_put(tty);
reset_open_count:
port->port.count = 0;
usb_autopm_put_interface(serial->interface);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 5741e9405069..9e8708c5cbfa 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -120,10 +120,12 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
- { USB_DEVICE(0x10C4, 0x8875) }, /* CEL MeshConnect USB Stick */
+ { USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */
+ { USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */
{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
+ { USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 49101fe45d38..35297a845a63 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -421,6 +421,8 @@ static void usa26_instat_callback(struct urb *urb)
}
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -431,7 +433,7 @@ static void usa26_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -541,6 +543,8 @@ static void usa28_instat_callback(struct urb *urb)
}
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -551,7 +555,7 @@ static void usa28_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -624,6 +628,8 @@ static void usa49_instat_callback(struct urb *urb)
}
port = serial->port[msg->portNumber];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -634,7 +640,7 @@ static void usa49_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -872,6 +878,8 @@ static void usa90_instat_callback(struct urb *urb)
port = serial->port[0];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -882,7 +890,7 @@ static void usa90_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
@@ -943,6 +951,8 @@ static void usa67_instat_callback(struct urb *urb)
port = serial->port[msg->port];
p_priv = usb_get_serial_port_data(port);
+ if (!p_priv)
+ goto resubmit;
/* Update handshaking pin state information */
old_dcd_state = p_priv->dcd_state;
@@ -951,7 +961,7 @@ static void usa67_instat_callback(struct urb *urb)
if (old_dcd_state != p_priv->dcd_state && old_dcd_state)
tty_port_tty_hangup(&port->port, true);
-
+resubmit:
/* Resubmit urb so we continue receiving */
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err != 0)
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 7ba042498857..75e1d03b8da3 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -810,13 +810,11 @@ static const struct vfio_device_ops vfio_pci_ops = {
static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
- u8 type;
struct vfio_pci_device *vdev;
struct iommu_group *group;
int ret;
- pci_read_config_byte(pdev, PCI_HEADER_TYPE, &type);
- if ((type & PCI_HEADER_TYPE) != PCI_HEADER_TYPE_NORMAL)
+ if (pdev->hdr_type != PCI_HEADER_TYPE_NORMAL)
return -EINVAL;
group = iommu_group_get(&pdev->dev);
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 5d0b7b846440..486d710a5293 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -861,6 +861,23 @@ vhost_scsi_map_iov_to_sgl(struct tcm_vhost_cmd *cmd,
return 0;
}
+static int vhost_scsi_to_tcm_attr(int attr)
+{
+ switch (attr) {
+ case VIRTIO_SCSI_S_SIMPLE:
+ return MSG_SIMPLE_TAG;
+ case VIRTIO_SCSI_S_ORDERED:
+ return MSG_ORDERED_TAG;
+ case VIRTIO_SCSI_S_HEAD:
+ return MSG_HEAD_TAG;
+ case VIRTIO_SCSI_S_ACA:
+ return MSG_ACA_TAG;
+ default:
+ break;
+ }
+ return MSG_SIMPLE_TAG;
+}
+
static void tcm_vhost_submission_work(struct work_struct *work)
{
struct tcm_vhost_cmd *cmd =
@@ -887,9 +904,10 @@ static void tcm_vhost_submission_work(struct work_struct *work)
rc = target_submit_cmd_map_sgls(se_cmd, tv_nexus->tvn_se_sess,
cmd->tvc_cdb, &cmd->tvc_sense_buf[0],
cmd->tvc_lun, cmd->tvc_exp_data_len,
- cmd->tvc_task_attr, cmd->tvc_data_direction,
- TARGET_SCF_ACK_KREF, sg_ptr, cmd->tvc_sgl_count,
- sg_bidi_ptr, sg_no_bidi, NULL, 0);
+ vhost_scsi_to_tcm_attr(cmd->tvc_task_attr),
+ cmd->tvc_data_direction, TARGET_SCF_ACK_KREF,
+ sg_ptr, cmd->tvc_sgl_count, sg_bidi_ptr, sg_no_bidi,
+ NULL, 0);
if (rc < 0) {
transport_send_check_condition_and_sense(se_cmd,
TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
diff --git a/drivers/video/logo/logo.c b/drivers/video/logo/logo.c
index b670cbda38e3..ffe024b830fc 100644
--- a/drivers/video/logo/logo.c
+++ b/drivers/video/logo/logo.c
@@ -21,6 +21,21 @@ static bool nologo;
module_param(nologo, bool, 0);
MODULE_PARM_DESC(nologo, "Disables startup logo");
+/*
+ * Logos are located in the initdata, and will be freed in kernel_init.
+ * Use late_init to mark the logos as freed to prevent any further use.
+ */
+
+static bool logos_freed;
+
+static int __init fb_logo_late_init(void)
+{
+ logos_freed = true;
+ return 0;
+}
+
+late_initcall(fb_logo_late_init);
+
/* logo's are marked __initdata. Use __init_refok to tell
* modpost that it is intended that this function uses data
* marked __initdata.
@@ -29,7 +44,7 @@ const struct linux_logo * __init_refok fb_find_logo(int depth)
{
const struct linux_logo *logo = NULL;
- if (nologo)
+ if (nologo || logos_freed)
return NULL;
if (depth >= 1) {
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 223e1cb14345..59a53f664005 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -137,10 +137,6 @@ lockd(void *vrqstp)
dprintk("NFS locking service started (ver " LOCKD_VERSION ").\n");
- if (!nlm_timeout)
- nlm_timeout = LOCKD_DFLT_TIMEO;
- nlmsvc_timeout = nlm_timeout * HZ;
-
/*
* The main request loop. We don't terminate until the last
* NFS mount or NFS daemon has gone away.
@@ -346,6 +342,10 @@ static struct svc_serv *lockd_create_svc(void)
printk(KERN_WARNING
"lockd_up: no pid, %d users??\n", nlmsvc_users);
+ if (!nlm_timeout)
+ nlm_timeout = LOCKD_DFLT_TIMEO;
+ nlmsvc_timeout = nlm_timeout * HZ;
+
serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, NULL);
if (!serv) {
printk(KERN_WARNING "lockd_up: create service failed\n");
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 1abe4f55dea2..037f9572b94c 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -565,20 +565,14 @@ static bool nfs4_match_clientids(struct nfs_client *a, struct nfs_client *b)
}
/*
- * Returns true if the server owners match
+ * Returns true if the server major ids match
*/
static bool
-nfs4_match_serverowners(struct nfs_client *a, struct nfs_client *b)
+nfs4_check_clientid_trunking(struct nfs_client *a, struct nfs_client *b)
{
struct nfs41_server_owner *o1 = a->cl_serverowner;
struct nfs41_server_owner *o2 = b->cl_serverowner;
- if (o1->minor_id != o2->minor_id) {
- dprintk("NFS: --> %s server owner minor IDs do not match\n",
- __func__);
- return false;
- }
-
if (o1->major_id_sz != o2->major_id_sz)
goto out_major_mismatch;
if (memcmp(o1->major_id, o2->major_id, o1->major_id_sz) != 0)
@@ -654,7 +648,12 @@ int nfs41_walk_client_list(struct nfs_client *new,
if (!nfs4_match_clientids(pos, new))
continue;
- if (!nfs4_match_serverowners(pos, new))
+ /*
+ * Note that session trunking is just a special subcase of
+ * client id trunking. In either case, we want to fall back
+ * to using the existing nfs_client.
+ */
+ if (!nfs4_check_clientid_trunking(pos, new))
continue;
atomic_inc(&pos->cl_count);
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c
index 74825be65b7b..fbb9dfb7b1d2 100644
--- a/fs/notify/inode_mark.c
+++ b/fs/notify/inode_mark.c
@@ -288,20 +288,25 @@ void fsnotify_unmount_inodes(struct list_head *list)
spin_unlock(&inode->i_lock);
/* In case the dropping of a reference would nuke next_i. */
- if ((&next_i->i_sb_list != list) &&
- atomic_read(&next_i->i_count)) {
+ while (&next_i->i_sb_list != list) {
spin_lock(&next_i->i_lock);
- if (!(next_i->i_state & (I_FREEING | I_WILL_FREE))) {
+ if (!(next_i->i_state & (I_FREEING | I_WILL_FREE)) &&
+ atomic_read(&next_i->i_count)) {
__iget(next_i);
need_iput = next_i;
+ spin_unlock(&next_i->i_lock);
+ break;
}
spin_unlock(&next_i->i_lock);
+ next_i = list_entry(next_i->i_sb_list.next,
+ struct inode, i_sb_list);
}
/*
- * We can safely drop inode_sb_list_lock here because we hold
- * references on both inode and next_i. Also no new inodes
- * will be added since the umount has begun.
+ * We can safely drop inode_sb_list_lock here because either
+ * we actually hold references on both inode and next_i or
+ * end of list. Also no new inodes will be added since the
+ * umount has begun.
*/
spin_unlock(&inode_sb_list_lock);
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 6f599c62f0cc..dbd027235440 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -159,7 +159,7 @@ static int show_stat(struct seq_file *p, void *v)
/* sum again ? it could be updated? */
for_each_irq_nr(j)
- seq_put_decimal_ull(p, ' ', kstat_irqs(j));
+ seq_put_decimal_ull(p, ' ', kstat_irqs_usr(j));
seq_printf(p,
"\nctxt %llu\n"
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 51c72be4a7c3..4b2053a232c9 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -74,6 +74,7 @@ static inline unsigned int kstat_softirqs_cpu(unsigned int irq, int cpu)
* Number of interrupts per specific IRQ source, since bootup
*/
extern unsigned int kstat_irqs(unsigned int irq);
+extern unsigned int kstat_irqs_usr(unsigned int irq);
/*
* Number of interrupts per cpu, since bootup
diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h
index e9a1d2d973b6..4c399ae04677 100644
--- a/include/uapi/linux/in6.h
+++ b/include/uapi/linux/in6.h
@@ -149,7 +149,7 @@ struct in6_flowlabel_req {
/*
* IPV6 socket options
*/
-
+#if __UAPI_DEF_IPV6_OPTIONS
#define IPV6_ADDRFORM 1
#define IPV6_2292PKTINFO 2
#define IPV6_2292HOPOPTS 3
@@ -192,6 +192,7 @@ struct in6_flowlabel_req {
#define IPV6_IPSEC_POLICY 34
#define IPV6_XFRM_POLICY 35
+#endif
/*
* Multicast:
diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h
index c140620dad92..e28807ad17fa 100644
--- a/include/uapi/linux/libc-compat.h
+++ b/include/uapi/linux/libc-compat.h
@@ -69,6 +69,7 @@
#define __UAPI_DEF_SOCKADDR_IN6 0
#define __UAPI_DEF_IPV6_MREQ 0
#define __UAPI_DEF_IPPROTO_V6 0
+#define __UAPI_DEF_IPV6_OPTIONS 0
#else
@@ -82,6 +83,7 @@
#define __UAPI_DEF_SOCKADDR_IN6 1
#define __UAPI_DEF_IPV6_MREQ 1
#define __UAPI_DEF_IPPROTO_V6 1
+#define __UAPI_DEF_IPV6_OPTIONS 1
#endif /* _NETINET_IN_H */
@@ -103,6 +105,7 @@
#define __UAPI_DEF_SOCKADDR_IN6 1
#define __UAPI_DEF_IPV6_MREQ 1
#define __UAPI_DEF_IPPROTO_V6 1
+#define __UAPI_DEF_IPV6_OPTIONS 1
/* Definitions for xattr.h */
#define __UAPI_DEF_XATTR 1
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 001fa5bab490..8a160e8a44e8 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -74,6 +74,14 @@ extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu);
extern void mask_irq(struct irq_desc *desc);
extern void unmask_irq(struct irq_desc *desc);
+#ifdef CONFIG_SPARSE_IRQ
+extern void irq_lock_sparse(void);
+extern void irq_unlock_sparse(void);
+#else
+static inline void irq_lock_sparse(void) { }
+static inline void irq_unlock_sparse(void) { }
+#endif
+
extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr);
irqreturn_t handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action);
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 8ab8e9390297..07d45516b540 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -131,6 +131,16 @@ static void free_masks(struct irq_desc *desc)
static inline void free_masks(struct irq_desc *desc) { }
#endif
+void irq_lock_sparse(void)
+{
+ mutex_lock(&sparse_irq_lock);
+}
+
+void irq_unlock_sparse(void)
+{
+ mutex_unlock(&sparse_irq_lock);
+}
+
static struct irq_desc *alloc_desc(int irq, int node, struct module *owner)
{
struct irq_desc *desc;
@@ -167,6 +177,12 @@ static void free_desc(unsigned int irq)
unregister_irq_proc(irq, desc);
+ /*
+ * sparse_irq_lock protects also show_interrupts() and
+ * kstat_irq_usr(). Once we deleted the descriptor from the
+ * sparse tree we can free it. Access in proc will fail to
+ * lookup the descriptor.
+ */
mutex_lock(&sparse_irq_lock);
delete_irq_desc(irq);
mutex_unlock(&sparse_irq_lock);
@@ -489,6 +505,15 @@ void dynamic_irq_cleanup(unsigned int irq)
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
+/**
+ * kstat_irqs_cpu - Get the statistics for an interrupt on a cpu
+ * @irq: The interrupt number
+ * @cpu: The cpu number
+ *
+ * Returns the sum of interrupt counts on @cpu since boot for
+ * @irq. The caller must ensure that the interrupt is not removed
+ * concurrently.
+ */
unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
{
struct irq_desc *desc = irq_to_desc(irq);
@@ -497,6 +522,14 @@ unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
*per_cpu_ptr(desc->kstat_irqs, cpu) : 0;
}
+/**
+ * kstat_irqs - Get the statistics for an interrupt
+ * @irq: The interrupt number
+ *
+ * Returns the sum of interrupt counts on all cpus since boot for
+ * @irq. The caller must ensure that the interrupt is not removed
+ * concurrently.
+ */
unsigned int kstat_irqs(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
@@ -509,3 +542,22 @@ unsigned int kstat_irqs(unsigned int irq)
sum += *per_cpu_ptr(desc->kstat_irqs, cpu);
return sum;
}
+
+/**
+ * kstat_irqs_usr - Get the statistics for an interrupt
+ * @irq: The interrupt number
+ *
+ * Returns the sum of interrupt counts on all cpus since boot for
+ * @irq. Contrary to kstat_irqs() this can be called from any
+ * preemptible context. It's protected against concurrent removal of
+ * an interrupt descriptor when sparse irqs are enabled.
+ */
+unsigned int kstat_irqs_usr(unsigned int irq)
+{
+ int sum;
+
+ irq_lock_sparse();
+ sum = kstat_irqs(irq);
+ irq_unlock_sparse();
+ return sum;
+}
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 36f6ee181b0c..095cd7230aef 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -15,6 +15,23 @@
#include "internals.h"
+/*
+ * Access rules:
+ *
+ * procfs protects read/write of /proc/irq/N/ files against a
+ * concurrent free of the interrupt descriptor. remove_proc_entry()
+ * immediately prevents new read/writes to happen and waits for
+ * already running read/write functions to complete.
+ *
+ * We remove the proc entries first and then delete the interrupt
+ * descriptor from the radix tree and free it. So it is guaranteed
+ * that irq_to_desc(N) is valid as long as the read/writes are
+ * permitted by procfs.
+ *
+ * The read from /proc/interrupts is a different problem because there
+ * is no protection. So the lookup and the access to irqdesc
+ * information must be protected by sparse_irq_lock.
+ */
static struct proc_dir_entry *root_irq_dir;
#ifdef CONFIG_SMP
@@ -437,9 +454,10 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
}
+ irq_lock_sparse();
desc = irq_to_desc(i);
if (!desc)
- return 0;
+ goto outsparse;
raw_spin_lock_irqsave(&desc->lock, flags);
for_each_online_cpu(j)
@@ -479,6 +497,8 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
out:
raw_spin_unlock_irqrestore(&desc->lock, flags);
+outsparse:
+ irq_unlock_sparse();
return 0;
}
#endif
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 6558b7ac112d..8c08a6f9cca0 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -807,7 +807,6 @@ void tick_nohz_idle_enter(void)
local_irq_enable();
}
-EXPORT_SYMBOL_GPL(tick_nohz_idle_enter);
/**
* tick_nohz_irq_exit - update next tick event from interrupt exit
@@ -934,7 +933,6 @@ void tick_nohz_idle_exit(void)
local_irq_enable();
}
-EXPORT_SYMBOL_GPL(tick_nohz_idle_exit);
static int tick_nohz_reprogram(struct tick_sched *ts, ktime_t now)
{
diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c
index 31c5f7675fbf..f504027d66a8 100644
--- a/lib/decompress_bunzip2.c
+++ b/lib/decompress_bunzip2.c
@@ -184,7 +184,7 @@ static int INIT get_next_block(struct bunzip_data *bd)
if (get_bits(bd, 1))
return RETVAL_OBSOLETE_INPUT;
origPtr = get_bits(bd, 24);
- if (origPtr > dbufSize)
+ if (origPtr >= dbufSize)
return RETVAL_DATA_ERROR;
/* mapping table: if some byte values are never used (encoding things
like ascii text), the compression code removes the gaps to have fewer
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index c46387a46535..e5c5f573c0d4 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -251,7 +251,7 @@ batadv_frag_merge_packets(struct hlist_head *chain, struct sk_buff *skb)
kfree(entry);
/* Make room for the rest of the fragments. */
- if (pskb_expand_head(skb_out, 0, size - skb->len, GFP_ATOMIC) < 0) {
+ if (pskb_expand_head(skb_out, 0, size - skb_out->len, GFP_ATOMIC) < 0) {
kfree_skb(skb_out);
skb_out = NULL;
goto free;
@@ -434,7 +434,7 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
* fragments larger than BATADV_FRAG_MAX_FRAG_SIZE
*/
mtu = min_t(unsigned, mtu, BATADV_FRAG_MAX_FRAG_SIZE);
- max_fragment_size = (mtu - header_size - ETH_HLEN);
+ max_fragment_size = mtu - header_size;
max_packet_size = max_fragment_size * BATADV_FRAG_MAX_FRAGMENTS;
/* Don't even try to fragment, if we need more than 16 fragments */
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 36b9ae61f5e8..2393ea72d65f 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -812,7 +812,7 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
goto out;
gw_node = batadv_gw_node_get(bat_priv, orig_dst_node);
- if (!gw_node->bandwidth_down == 0)
+ if (!gw_node)
goto out;
switch (atomic_read(&bat_priv->gw_mode)) {
diff --git a/net/core/dev.c b/net/core/dev.c
index 3ed11a555834..86bb9cc81f02 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1709,6 +1709,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
skb_scrub_packet(skb, true);
skb->protocol = eth_type_trans(skb, dev);
+ skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN);
return netif_rx_internal(skb);
}
@@ -2529,11 +2530,14 @@ netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
if (skb_shinfo(skb)->gso_segs > dev->gso_max_segs)
features &= ~NETIF_F_GSO_MASK;
- if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD)) {
- struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
- protocol = veh->h_vlan_encapsulated_proto;
- } else if (!vlan_tx_tag_present(skb)) {
- return harmonize_features(skb, dev, features);
+ if (!vlan_tx_tag_present(skb)) {
+ if (unlikely(protocol == htons(ETH_P_8021Q) ||
+ protocol == htons(ETH_P_8021AD))) {
+ struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
+ protocol = veh->h_vlan_encapsulated_proto;
+ } else {
+ return harmonize_features(skb, dev, features);
+ }
}
features &= (dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
@@ -4701,9 +4705,14 @@ static void netdev_adjacent_sysfs_del(struct net_device *dev,
sysfs_remove_link(&(dev->dev.kobj), linkname);
}
-#define netdev_adjacent_is_neigh_list(dev, dev_list) \
- (dev_list == &dev->adj_list.upper || \
- dev_list == &dev->adj_list.lower)
+static inline bool netdev_adjacent_is_neigh_list(struct net_device *dev,
+ struct net_device *adj_dev,
+ struct list_head *dev_list)
+{
+ return (dev_list == &dev->adj_list.upper ||
+ dev_list == &dev->adj_list.lower) &&
+ net_eq(dev_net(dev), dev_net(adj_dev));
+}
static int __netdev_adjacent_dev_insert(struct net_device *dev,
struct net_device *adj_dev,
@@ -4733,7 +4742,7 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev,
pr_debug("dev_hold for %s, because of link added from %s to %s\n",
adj_dev->name, dev->name, adj_dev->name);
- if (netdev_adjacent_is_neigh_list(dev, dev_list)) {
+ if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list)) {
ret = netdev_adjacent_sysfs_add(dev, adj_dev, dev_list);
if (ret)
goto free_adj;
@@ -4754,7 +4763,7 @@ static int __netdev_adjacent_dev_insert(struct net_device *dev,
return 0;
remove_symlinks:
- if (netdev_adjacent_is_neigh_list(dev, dev_list))
+ if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list))
netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list);
free_adj:
kfree(adj);
@@ -4787,7 +4796,7 @@ static void __netdev_adjacent_dev_remove(struct net_device *dev,
if (adj->master)
sysfs_remove_link(&(dev->dev.kobj), "master");
- if (netdev_adjacent_is_neigh_list(dev, dev_list))
+ if (netdev_adjacent_is_neigh_list(dev, adj_dev, dev_list))
netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list);
list_del_rcu(&adj->list);
@@ -5057,11 +5066,65 @@ void netdev_upper_dev_unlink(struct net_device *dev,
}
EXPORT_SYMBOL(netdev_upper_dev_unlink);
+void netdev_adjacent_add_links(struct net_device *dev)
+{
+ struct netdev_adjacent *iter;
+
+ struct net *net = dev_net(dev);
+
+ list_for_each_entry(iter, &dev->adj_list.upper, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
+ netdev_adjacent_sysfs_add(iter->dev, dev,
+ &iter->dev->adj_list.lower);
+ netdev_adjacent_sysfs_add(dev, iter->dev,
+ &dev->adj_list.upper);
+ }
+
+ list_for_each_entry(iter, &dev->adj_list.lower, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
+ netdev_adjacent_sysfs_add(iter->dev, dev,
+ &iter->dev->adj_list.upper);
+ netdev_adjacent_sysfs_add(dev, iter->dev,
+ &dev->adj_list.lower);
+ }
+}
+
+void netdev_adjacent_del_links(struct net_device *dev)
+{
+ struct netdev_adjacent *iter;
+
+ struct net *net = dev_net(dev);
+
+ list_for_each_entry(iter, &dev->adj_list.upper, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
+ netdev_adjacent_sysfs_del(iter->dev, dev->name,
+ &iter->dev->adj_list.lower);
+ netdev_adjacent_sysfs_del(dev, iter->dev->name,
+ &dev->adj_list.upper);
+ }
+
+ list_for_each_entry(iter, &dev->adj_list.lower, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
+ netdev_adjacent_sysfs_del(iter->dev, dev->name,
+ &iter->dev->adj_list.upper);
+ netdev_adjacent_sysfs_del(dev, iter->dev->name,
+ &dev->adj_list.lower);
+ }
+}
+
void netdev_adjacent_rename_links(struct net_device *dev, char *oldname)
{
struct netdev_adjacent *iter;
+ struct net *net = dev_net(dev);
+
list_for_each_entry(iter, &dev->adj_list.upper, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
netdev_adjacent_sysfs_del(iter->dev, oldname,
&iter->dev->adj_list.lower);
netdev_adjacent_sysfs_add(iter->dev, dev,
@@ -5069,6 +5132,8 @@ void netdev_adjacent_rename_links(struct net_device *dev, char *oldname)
}
list_for_each_entry(iter, &dev->adj_list.lower, list) {
+ if (!net_eq(net,dev_net(iter->dev)))
+ continue;
netdev_adjacent_sysfs_del(iter->dev, oldname,
&iter->dev->adj_list.upper);
netdev_adjacent_sysfs_add(iter->dev, dev,
@@ -6675,6 +6740,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
/* Send a netdev-removed uevent to the old namespace */
kobject_uevent(&dev->dev.kobj, KOBJ_REMOVE);
+ netdev_adjacent_del_links(dev);
/* Actually switch the network namespace */
dev_net_set(dev, net);
@@ -6689,6 +6755,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
/* Send a netdev-add uevent to the new namespace */
kobject_uevent(&dev->dev.kobj, KOBJ_ADD);
+ netdev_adjacent_add_links(dev);
/* Fixup kobjects */
err = device_rename(&dev->dev, dev->name);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index baf6fc457df9..e2b1bba69882 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3937,6 +3937,7 @@ void skb_scrub_packet(struct sk_buff *skb, bool xnet)
skb->local_df = 0;
skb_dst_drop(skb);
skb->mark = 0;
+ skb_init_secmark(skb);
secpath_reset(skb);
nf_reset(skb);
nf_reset_trace(skb);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 94213c891565..b40b90d3bd2b 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -250,10 +250,6 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb,
struct ip_tunnel *tunnel = netdev_priv(dev);
const struct iphdr *tnl_params;
- skb = gre_handle_offloads(skb, !!(tunnel->parms.o_flags&TUNNEL_CSUM));
- if (IS_ERR(skb))
- goto out;
-
if (dev->header_ops) {
/* Need space for new headers */
if (skb_cow_head(skb, dev->needed_headroom -
@@ -266,6 +262,7 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb,
* to gre header.
*/
skb_pull(skb, tunnel->hlen + sizeof(struct iphdr));
+ skb_reset_mac_header(skb);
} else {
if (skb_cow_head(skb, dev->needed_headroom))
goto free_skb;
@@ -273,6 +270,10 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb,
tnl_params = &tunnel->parms.iph;
}
+ skb = gre_handle_offloads(skb, !!(tunnel->parms.o_flags&TUNNEL_CSUM));
+ if (IS_ERR(skb))
+ goto out;
+
__gre_xmit(skb, dev, tnl_params, skb->protocol);
return NETDEV_TX_OK;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 91b98e5a17aa..7efa26bb872c 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1894,7 +1894,7 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
if (unlikely(!tcp_snd_wnd_test(tp, skb, mss_now)))
break;
- if (tso_segs == 1) {
+ if (tso_segs == 1 || !sk->sk_gso_max_segs) {
if (unlikely(!tcp_nagle_test(tp, skb, mss_now,
(tcp_skb_is_last(sk, skb) ?
nonagle : TCP_NAGLE_PUSH))))
@@ -1931,7 +1931,7 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
}
limit = mss_now;
- if (tso_segs > 1 && !tcp_urg_mode(tp))
+ if (tso_segs > 1 && sk->sk_gso_max_segs && !tcp_urg_mode(tp))
limit = tcp_mss_split_point(sk, skb, mss_now,
min_t(unsigned int,
cwnd_quota,
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index cf9937743abb..53ea1644a297 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -1839,6 +1839,12 @@ ip_set_sockfn_get(struct sock *sk, int optval, void __user *user, int *len)
if (*op < IP_SET_OP_VERSION) {
/* Check the version at the beginning of operations */
struct ip_set_req_version *req_version = data;
+
+ if (*len < sizeof(struct ip_set_req_version)) {
+ ret = -EINVAL;
+ goto done;
+ }
+
if (req_version->version != IPSET_PROTOCOL) {
ret = -EPROTO;
goto done;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 7c177bc43806..1d52506bda14 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -510,14 +510,14 @@ out:
return err;
}
-static void netlink_frame_flush_dcache(const struct nl_mmap_hdr *hdr)
+static void netlink_frame_flush_dcache(const struct nl_mmap_hdr *hdr, unsigned int nm_len)
{
#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 1
struct page *p_start, *p_end;
/* First page is flushed through netlink_{get,set}_status */
p_start = pgvec_to_page(hdr + PAGE_SIZE);
- p_end = pgvec_to_page((void *)hdr + NL_MMAP_HDRLEN + hdr->nm_len - 1);
+ p_end = pgvec_to_page((void *)hdr + NL_MMAP_HDRLEN + nm_len - 1);
while (p_start <= p_end) {
flush_dcache_page(p_start);
p_start++;
@@ -535,9 +535,9 @@ static enum nl_mmap_status netlink_get_status(const struct nl_mmap_hdr *hdr)
static void netlink_set_status(struct nl_mmap_hdr *hdr,
enum nl_mmap_status status)
{
+ smp_mb();
hdr->nm_status = status;
flush_dcache_page(pgvec_to_page(hdr));
- smp_wmb();
}
static struct nl_mmap_hdr *
@@ -699,24 +699,16 @@ static int netlink_mmap_sendmsg(struct sock *sk, struct msghdr *msg,
struct nl_mmap_hdr *hdr;
struct sk_buff *skb;
unsigned int maxlen;
- bool excl = true;
int err = 0, len = 0;
- /* Netlink messages are validated by the receiver before processing.
- * In order to avoid userspace changing the contents of the message
- * after validation, the socket and the ring may only be used by a
- * single process, otherwise we fall back to copying.
- */
- if (atomic_long_read(&sk->sk_socket->file->f_count) > 1 ||
- atomic_read(&nlk->mapped) > 1)
- excl = false;
-
mutex_lock(&nlk->pg_vec_lock);
ring = &nlk->tx_ring;
maxlen = ring->frame_size - NL_MMAP_HDRLEN;
do {
+ unsigned int nm_len;
+
hdr = netlink_current_frame(ring, NL_MMAP_STATUS_VALID);
if (hdr == NULL) {
if (!(msg->msg_flags & MSG_DONTWAIT) &&
@@ -724,35 +716,23 @@ static int netlink_mmap_sendmsg(struct sock *sk, struct msghdr *msg,
schedule();
continue;
}
- if (hdr->nm_len > maxlen) {
+
+ nm_len = ACCESS_ONCE(hdr->nm_len);
+ if (nm_len > maxlen) {
err = -EINVAL;
goto out;
}
- netlink_frame_flush_dcache(hdr);
+ netlink_frame_flush_dcache(hdr, nm_len);
- if (likely(dst_portid == 0 && dst_group == 0 && excl)) {
- skb = alloc_skb_head(GFP_KERNEL);
- if (skb == NULL) {
- err = -ENOBUFS;
- goto out;
- }
- sock_hold(sk);
- netlink_ring_setup_skb(skb, sk, ring, hdr);
- NETLINK_CB(skb).flags |= NETLINK_SKB_TX;
- __skb_put(skb, hdr->nm_len);
- netlink_set_status(hdr, NL_MMAP_STATUS_RESERVED);
- atomic_inc(&ring->pending);
- } else {
- skb = alloc_skb(hdr->nm_len, GFP_KERNEL);
- if (skb == NULL) {
- err = -ENOBUFS;
- goto out;
- }
- __skb_put(skb, hdr->nm_len);
- memcpy(skb->data, (void *)hdr + NL_MMAP_HDRLEN, hdr->nm_len);
- netlink_set_status(hdr, NL_MMAP_STATUS_UNUSED);
+ skb = alloc_skb(nm_len, GFP_KERNEL);
+ if (skb == NULL) {
+ err = -ENOBUFS;
+ goto out;
}
+ __skb_put(skb, nm_len);
+ memcpy(skb->data, (void *)hdr + NL_MMAP_HDRLEN, nm_len);
+ netlink_set_status(hdr, NL_MMAP_STATUS_UNUSED);
netlink_increment_head(ring);
@@ -798,7 +778,7 @@ static void netlink_queue_mmaped_skb(struct sock *sk, struct sk_buff *skb)
hdr->nm_pid = NETLINK_CB(skb).creds.pid;
hdr->nm_uid = from_kuid(sk_user_ns(sk), NETLINK_CB(skb).creds.uid);
hdr->nm_gid = from_kgid(sk_user_ns(sk), NETLINK_CB(skb).creds.gid);
- netlink_frame_flush_dcache(hdr);
+ netlink_frame_flush_dcache(hdr, hdr->nm_len);
netlink_set_status(hdr, NL_MMAP_STATUS_VALID);
NETLINK_CB(skb).flags |= NETLINK_SKB_DELIVERED;
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 78559b5bbd1f..27157a7801e8 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -516,7 +516,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
{
struct ieee80211_sta_ht_cap *ht_cap;
struct ieee80211_sta_vht_cap *vht_cap;
- u32 width, control_freq;
+ u32 width, control_freq, cap;
if (WARN_ON(!cfg80211_chandef_valid(chandef)))
return false;
@@ -554,7 +554,8 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
return false;
break;
case NL80211_CHAN_WIDTH_80P80:
- if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))
+ cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
+ if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)
return false;
case NL80211_CHAN_WIDTH_80:
if (!vht_cap->vht_supported)
@@ -565,7 +566,9 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
case NL80211_CHAN_WIDTH_160:
if (!vht_cap->vht_supported)
return false;
- if (!(vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ))
+ cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
+ if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ &&
+ cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)
return false;
prohibited_flags |= IEEE80211_CHAN_NO_160MHZ;
width = 160;
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 338794ea44d1..04d530560ec8 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1547,7 +1547,7 @@ static enum reg_request_treatment
reg_process_hint_driver(struct wiphy *wiphy,
struct regulatory_request *driver_request)
{
- const struct ieee80211_regdomain *regd;
+ const struct ieee80211_regdomain *regd, *tmp;
enum reg_request_treatment treatment;
treatment = __reg_process_hint_driver(driver_request);
@@ -1566,7 +1566,10 @@ reg_process_hint_driver(struct wiphy *wiphy,
kfree(driver_request);
return REG_REQ_IGNORE;
}
+
+ tmp = get_wiphy_regdom(wiphy);
rcu_assign_pointer(wiphy->regd, regd);
+ rcu_free_regdom(tmp);
}
@@ -1625,11 +1628,8 @@ __reg_process_hint_country_ie(struct wiphy *wiphy,
return REG_REQ_IGNORE;
return REG_REQ_ALREADY_SET;
}
- /*
- * Two consecutive Country IE hints on the same wiphy.
- * This should be picked up early by the driver/stack
- */
- if (WARN_ON(regdom_changes(country_ie_request->alpha2)))
+
+ if (regdom_changes(country_ie_request->alpha2))
return REG_REQ_OK;
return REG_REQ_ALREADY_SET;
}
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index c657752a420c..83bddbdb90e9 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2804,133 +2804,45 @@ YAMAHA_DEVICE(0x7010, "UB99"),
}
},
-/* Hauppauge HVR-950Q and HVR-850 */
-{
- USB_DEVICE_VENDOR_SPEC(0x2040, 0x7200),
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
- USB_DEVICE_ID_MATCH_INT_CLASS |
- USB_DEVICE_ID_MATCH_INT_SUBCLASS,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
- .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
- .vendor_name = "Hauppauge",
- .product_name = "HVR-950Q",
- .ifnum = QUIRK_ANY_INTERFACE,
- .type = QUIRK_AUDIO_ALIGN_TRANSFER,
- }
-},
-{
- USB_DEVICE_VENDOR_SPEC(0x2040, 0x7210),
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
- USB_DEVICE_ID_MATCH_INT_CLASS |
- USB_DEVICE_ID_MATCH_INT_SUBCLASS,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
- .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
- .vendor_name = "Hauppauge",
- .product_name = "HVR-950Q",
- .ifnum = QUIRK_ANY_INTERFACE,
- .type = QUIRK_AUDIO_ALIGN_TRANSFER,
- }
-},
-{
- USB_DEVICE_VENDOR_SPEC(0x2040, 0x7217),
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
- USB_DEVICE_ID_MATCH_INT_CLASS |
- USB_DEVICE_ID_MATCH_INT_SUBCLASS,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
- .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
- .vendor_name = "Hauppauge",
- .product_name = "HVR-950Q",
- .ifnum = QUIRK_ANY_INTERFACE,
- .type = QUIRK_AUDIO_ALIGN_TRANSFER,
- }
-},
-{
- USB_DEVICE_VENDOR_SPEC(0x2040, 0x721b),
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
- USB_DEVICE_ID_MATCH_INT_CLASS |
- USB_DEVICE_ID_MATCH_INT_SUBCLASS,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
- .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
- .vendor_name = "Hauppauge",
- .product_name = "HVR-950Q",
- .ifnum = QUIRK_ANY_INTERFACE,
- .type = QUIRK_AUDIO_ALIGN_TRANSFER,
- }
-},
-{
- USB_DEVICE_VENDOR_SPEC(0x2040, 0x721e),
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
- USB_DEVICE_ID_MATCH_INT_CLASS |
- USB_DEVICE_ID_MATCH_INT_SUBCLASS,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
- .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
- .vendor_name = "Hauppauge",
- .product_name = "HVR-950Q",
- .ifnum = QUIRK_ANY_INTERFACE,
- .type = QUIRK_AUDIO_ALIGN_TRANSFER,
- }
-},
-{
- USB_DEVICE_VENDOR_SPEC(0x2040, 0x721f),
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
- USB_DEVICE_ID_MATCH_INT_CLASS |
- USB_DEVICE_ID_MATCH_INT_SUBCLASS,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
- .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
- .vendor_name = "Hauppauge",
- .product_name = "HVR-950Q",
- .ifnum = QUIRK_ANY_INTERFACE,
- .type = QUIRK_AUDIO_ALIGN_TRANSFER,
- }
-},
-{
- USB_DEVICE_VENDOR_SPEC(0x2040, 0x7240),
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
- USB_DEVICE_ID_MATCH_INT_CLASS |
- USB_DEVICE_ID_MATCH_INT_SUBCLASS,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
- .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
- .vendor_name = "Hauppauge",
- .product_name = "HVR-850",
- .ifnum = QUIRK_ANY_INTERFACE,
- .type = QUIRK_AUDIO_ALIGN_TRANSFER,
- }
-},
-{
- USB_DEVICE_VENDOR_SPEC(0x2040, 0x7280),
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
- USB_DEVICE_ID_MATCH_INT_CLASS |
- USB_DEVICE_ID_MATCH_INT_SUBCLASS,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
- .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
- .vendor_name = "Hauppauge",
- .product_name = "HVR-950Q",
- .ifnum = QUIRK_ANY_INTERFACE,
- .type = QUIRK_AUDIO_ALIGN_TRANSFER,
- }
-},
-{
- USB_DEVICE_VENDOR_SPEC(0x0fd9, 0x0008),
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
- USB_DEVICE_ID_MATCH_INT_CLASS |
- USB_DEVICE_ID_MATCH_INT_SUBCLASS,
- .bInterfaceClass = USB_CLASS_AUDIO,
- .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
- .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
- .vendor_name = "Hauppauge",
- .product_name = "HVR-950Q",
- .ifnum = QUIRK_ANY_INTERFACE,
- .type = QUIRK_AUDIO_ALIGN_TRANSFER,
- }
-},
+/*
+ * Auvitek au0828 devices with audio interface.
+ * This should be kept in sync with drivers/media/usb/au0828/au0828-cards.c
+ * Please notice that some drivers are DVB only, and don't need to be
+ * here. That's the case, for example, of DVICO_FUSIONHDTV7.
+ */
+
+#define AU0828_DEVICE(vid, pid, vname, pname) { \
+ USB_DEVICE_VENDOR_SPEC(vid, pid), \
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
+ USB_DEVICE_ID_MATCH_INT_CLASS | \
+ USB_DEVICE_ID_MATCH_INT_SUBCLASS, \
+ .bInterfaceClass = USB_CLASS_AUDIO, \
+ .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, \
+ .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { \
+ .vendor_name = vname, \
+ .product_name = pname, \
+ .ifnum = QUIRK_ANY_INTERFACE, \
+ .type = QUIRK_AUDIO_ALIGN_TRANSFER, \
+ } \
+}
+
+AU0828_DEVICE(0x2040, 0x7200, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7240, "Hauppauge", "HVR-850"),
+AU0828_DEVICE(0x2040, 0x7210, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7217, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x721b, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x721e, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x721f, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7280, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x0fd9, 0x0008, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7201, "Hauppauge", "HVR-950Q-MXL"),
+AU0828_DEVICE(0x2040, 0x7211, "Hauppauge", "HVR-950Q-MXL"),
+AU0828_DEVICE(0x2040, 0x7281, "Hauppauge", "HVR-950Q-MXL"),
+AU0828_DEVICE(0x05e1, 0x0480, "Hauppauge", "Woodbury"),
+AU0828_DEVICE(0x2040, 0x8200, "Hauppauge", "Woodbury"),
+AU0828_DEVICE(0x2040, 0x7260, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7213, "Hauppauge", "HVR-950Q"),
+AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
/* Digidesign Mbox */
{
|