diff options
| author |   Mike Pagano <mpagano@gentoo.org> | 2018-11-27 11:17:33 -0500 |
|---|---|---|
| committer | Mike Pagano <mpagano@gentoo.org> | 2018-11-27 11:17:33 -0500 |
| commit | 0a7b3b377ca2adb363bd764b113e1f4a3ee75165 (patch) | |
| tree | c8718a384bab7d13419a6007edb88ca4bbb344df | |
| parent | proj/linux-patches: Linux patch 4.14.83 (diff) | |
| download | linux-patches-0a7b3b377ca2adb363bd764b113e1f4a3ee75165.tar.gz linux-patches-0a7b3b377ca2adb363bd764b113e1f4a3ee75165.tar.bz2 linux-patches-0a7b3b377ca2adb363bd764b113e1f4a3ee75165.zip | |
proj/linux-patches: Linux patch 4.14.844.14-91
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
| -rw-r--r-- | 0000_README | 4 | ||||
| -rw-r--r-- | 1083_linux-4.14.84.patch | 2271 |
2 files changed, 2275 insertions, 0 deletions
diff --git a/0000_README b/0000_README index 37903b0c..b8625f05 100644 --- a/0000_README +++ b/0000_README @@ -375,6 +375,10 @@ Patch: 1082-4.14.83.patch From: http://www.kernel.org Desc: Linux 4.14.83 +Patch: 1083-4.14.84.patch +From: http://www.kernel.org +Desc: Linux 4.14.84 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1083_linux-4.14.84.patch b/1083_linux-4.14.84.patch new file mode 100644 index 00000000..bc3fcf56 --- /dev/null +++ b/1083_linux-4.14.84.patch @@ -0,0 +1,2271 @@ +diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt +index 9841bad6f271..99a08722124d 100644 +--- a/Documentation/admin-guide/kernel-parameters.txt ++++ b/Documentation/admin-guide/kernel-parameters.txt +@@ -1011,7 +1011,7 @@ + earlyprintk=serial[,0x...[,baudrate]] + earlyprintk=ttySn[,baudrate] + earlyprintk=dbgp[debugController#] +- earlyprintk=pciserial,bus:device.function[,baudrate] ++ earlyprintk=pciserial[,force],bus:device.function[,baudrate] + earlyprintk=xdbc[xhciController#] + + earlyprintk is useful when the kernel crashes before +@@ -1043,6 +1043,10 @@ + + The sclp output can only be used on s390. + ++ The optional "force" to "pciserial" enables use of a ++ PCI device even when its classcode is not of the ++ UART class. ++ + edac_report= [HW,EDAC] Control how to report EDAC event + Format: {"on" | "off" | "force"} + on: enable EDAC to report H/W event. May be overridden +diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt +index ea91cb61a602..43f066cde67d 100644 +--- a/Documentation/x86/x86_64/mm.txt ++++ b/Documentation/x86/x86_64/mm.txt +@@ -4,8 +4,9 @@ Virtual memory map with 4 level page tables: + 0000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm + hole caused by [47:63] sign extension + ffff800000000000 - ffff87ffffffffff (=43 bits) guard hole, reserved for hypervisor +-ffff880000000000 - ffffc7ffffffffff (=64 TB) direct mapping of all phys. memory +-ffffc80000000000 - ffffc8ffffffffff (=40 bits) hole ++ffff880000000000 - ffff887fffffffff (=39 bits) LDT remap for PTI ++ffff888000000000 - ffffc87fffffffff (=64 TB) direct mapping of all phys. memory ++ffffc88000000000 - ffffc8ffffffffff (=39 bits) hole + ffffc90000000000 - ffffe8ffffffffff (=45 bits) vmalloc/ioremap space + ffffe90000000000 - ffffe9ffffffffff (=40 bits) hole + ffffea0000000000 - ffffeaffffffffff (=40 bits) virtual memory map (1TB) +@@ -30,8 +31,9 @@ Virtual memory map with 5 level page tables: + 0000000000000000 - 00ffffffffffffff (=56 bits) user space, different per mm + hole caused by [56:63] sign extension + ff00000000000000 - ff0fffffffffffff (=52 bits) guard hole, reserved for hypervisor +-ff10000000000000 - ff8fffffffffffff (=55 bits) direct mapping of all phys. memory +-ff90000000000000 - ff9fffffffffffff (=52 bits) LDT remap for PTI ++ff10000000000000 - ff10ffffffffffff (=48 bits) LDT remap for PTI ++ff11000000000000 - ff90ffffffffffff (=55 bits) direct mapping of all phys. memory ++ff91000000000000 - ff9fffffffffffff (=3840 TB) hole + ffa0000000000000 - ffd1ffffffffffff (=54 bits) vmalloc/ioremap space (12800 TB) + ffd2000000000000 - ffd3ffffffffffff (=49 bits) hole + ffd4000000000000 - ffd5ffffffffffff (=49 bits) virtual memory map (512TB) +diff --git a/Makefile b/Makefile +index 0f42814095a4..874d72a3e6a7 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 4 + PATCHLEVEL = 14 +-SUBLEVEL = 83 ++SUBLEVEL = 84 + EXTRAVERSION = + NAME = Petit Gorille + +diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h +index 43393208229e..d79eaa816f29 100644 +--- a/arch/arm64/include/asm/percpu.h ++++ b/arch/arm64/include/asm/percpu.h +@@ -93,6 +93,7 @@ static inline unsigned long __percpu_##op(void *ptr, \ + : [val] "Ir" (val)); \ + break; \ + default: \ ++ ret = 0; \ + BUILD_BUG(); \ + } \ + \ +@@ -122,6 +123,7 @@ static inline unsigned long __percpu_read(void *ptr, int size) + ret = READ_ONCE(*(u64 *)ptr); + break; + default: ++ ret = 0; + BUILD_BUG(); + } + +@@ -191,6 +193,7 @@ static inline unsigned long __percpu_xchg(void *ptr, unsigned long val, + : [val] "r" (val)); + break; + default: ++ ret = 0; + BUILD_BUG(); + } + +diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c +index 22a5921562c7..0417c929d21a 100644 +--- a/arch/arm64/kernel/probes/kprobes.c ++++ b/arch/arm64/kernel/probes/kprobes.c +@@ -23,7 +23,9 @@ + #include <linux/slab.h> + #include <linux/stop_machine.h> + #include <linux/sched/debug.h> ++#include <linux/set_memory.h> + #include <linux/stringify.h> ++#include <linux/vmalloc.h> + #include <asm/traps.h> + #include <asm/ptrace.h> + #include <asm/cacheflush.h> +@@ -42,10 +44,21 @@ DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); + static void __kprobes + post_kprobe_handler(struct kprobe_ctlblk *, struct pt_regs *); + ++static int __kprobes patch_text(kprobe_opcode_t *addr, u32 opcode) ++{ ++ void *addrs[1]; ++ u32 insns[1]; ++ ++ addrs[0] = addr; ++ insns[0] = opcode; ++ ++ return aarch64_insn_patch_text(addrs, insns, 1); ++} ++ + static void __kprobes arch_prepare_ss_slot(struct kprobe *p) + { + /* prepare insn slot */ +- p->ainsn.api.insn[0] = cpu_to_le32(p->opcode); ++ patch_text(p->ainsn.api.insn, p->opcode); + + flush_icache_range((uintptr_t) (p->ainsn.api.insn), + (uintptr_t) (p->ainsn.api.insn) + +@@ -118,15 +131,15 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p) + return 0; + } + +-static int __kprobes patch_text(kprobe_opcode_t *addr, u32 opcode) ++void *alloc_insn_page(void) + { +- void *addrs[1]; +- u32 insns[1]; ++ void *page; + +- addrs[0] = (void *)addr; +- insns[0] = (u32)opcode; ++ page = vmalloc_exec(PAGE_SIZE); ++ if (page) ++ set_memory_ro((unsigned long)page, 1); + +- return aarch64_insn_patch_text(addrs, insns, 1); ++ return page; + } + + /* arm kprobe: install breakpoint in text */ +diff --git a/arch/mips/configs/cavium_octeon_defconfig b/arch/mips/configs/cavium_octeon_defconfig +index 490b12af103c..c52d0efacd14 100644 +--- a/arch/mips/configs/cavium_octeon_defconfig ++++ b/arch/mips/configs/cavium_octeon_defconfig +@@ -140,6 +140,7 @@ CONFIG_RTC_CLASS=y + CONFIG_RTC_DRV_DS1307=y + CONFIG_STAGING=y + CONFIG_OCTEON_ETHERNET=y ++CONFIG_OCTEON_USB=y + # CONFIG_IOMMU_SUPPORT is not set + CONFIG_RAS=y + CONFIG_EXT4_FS=y +diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c +index 746d03423333..61e91fee8467 100644 +--- a/arch/s390/kernel/perf_cpum_cf.c ++++ b/arch/s390/kernel/perf_cpum_cf.c +@@ -376,7 +376,7 @@ static int __hw_perf_event_init(struct perf_event *event) + return -ENOENT; + + if (ev > PERF_CPUM_CF_MAX_CTR) +- return -EINVAL; ++ return -ENOENT; + + /* Obtain the counter set to which the specified counter belongs */ + set = get_counter_set(ev); +diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile +index 308564b9bf68..101cadabfc89 100644 +--- a/arch/s390/kernel/vdso32/Makefile ++++ b/arch/s390/kernel/vdso32/Makefile +@@ -33,7 +33,7 @@ UBSAN_SANITIZE := n + $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so + + # link rule for the .so file, .lds has to be first +-$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32) ++$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32) FORCE + $(call if_changed,vdso32ld) + + # strip rule for the .so file +@@ -42,12 +42,12 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE + $(call if_changed,objcopy) + + # assembly rules for the .S files +-$(obj-vdso32): %.o: %.S ++$(obj-vdso32): %.o: %.S FORCE + $(call if_changed_dep,vdso32as) + + # actual build commands + quiet_cmd_vdso32ld = VDSO32L $@ +- cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ ++ cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $(filter %.lds %.o,$^) -o $@ + quiet_cmd_vdso32as = VDSO32A $@ + cmd_vdso32as = $(CC) $(a_flags) -c -o $@ $< + +diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile +index f81ae7998883..36bbafcf4a77 100644 +--- a/arch/s390/kernel/vdso64/Makefile ++++ b/arch/s390/kernel/vdso64/Makefile +@@ -33,7 +33,7 @@ UBSAN_SANITIZE := n + $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so + + # link rule for the .so file, .lds has to be first +-$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64) ++$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64) FORCE + $(call if_changed,vdso64ld) + + # strip rule for the .so file +@@ -42,12 +42,12 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE + $(call if_changed,objcopy) + + # assembly rules for the .S files +-$(obj-vdso64): %.o: %.S ++$(obj-vdso64): %.o: %.S FORCE + $(call if_changed_dep,vdso64as) + + # actual build commands + quiet_cmd_vdso64ld = VDSO64L $@ +- cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ ++ cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $(filter %.lds %.o,$^) -o $@ + quiet_cmd_vdso64as = VDSO64A $@ + cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $< + +diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c +index 5bd374491f94..6c151b42e65d 100644 +--- a/arch/s390/numa/numa.c ++++ b/arch/s390/numa/numa.c +@@ -54,6 +54,7 @@ int __node_distance(int a, int b) + { + return mode->distance ? mode->distance(a, b) : 0; + } ++EXPORT_SYMBOL(__node_distance); + + int numa_debug_enabled; + +diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c +index c94c3bd70ccd..df4a985716eb 100644 +--- a/arch/um/os-Linux/skas/process.c ++++ b/arch/um/os-Linux/skas/process.c +@@ -610,6 +610,11 @@ int start_idle_thread(void *stack, jmp_buf *switch_buf) + fatal_sigsegv(); + } + longjmp(*switch_buf, 1); ++ ++ /* unreachable */ ++ printk(UM_KERN_ERR "impossible long jump!"); ++ fatal_sigsegv(); ++ return 0; + } + + void initial_thread_cb_skas(void (*proc)(void *), void *arg) +diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h +index e1407312c412..74d531f6d518 100644 +--- a/arch/x86/include/asm/page_64_types.h ++++ b/arch/x86/include/asm/page_64_types.h +@@ -33,14 +33,16 @@ + + /* + * Set __PAGE_OFFSET to the most negative possible address + +- * PGDIR_SIZE*16 (pgd slot 272). The gap is to allow a space for a +- * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's +- * what Xen requires. ++ * PGDIR_SIZE*17 (pgd slot 273). ++ * ++ * The gap is to allow a space for LDT remap for PTI (1 pgd slot) and space for ++ * a hypervisor (16 slots). Choosing 16 slots for a hypervisor is arbitrary, ++ * but it's what Xen requires. + */ + #ifdef CONFIG_X86_5LEVEL +-#define __PAGE_OFFSET_BASE _AC(0xff10000000000000, UL) ++#define __PAGE_OFFSET_BASE _AC(0xff11000000000000, UL) + #else +-#define __PAGE_OFFSET_BASE _AC(0xffff880000000000, UL) ++#define __PAGE_OFFSET_BASE _AC(0xffff888000000000, UL) + #endif + + #ifdef CONFIG_RANDOMIZE_MEMORY +diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h +index 6b8f73dcbc2c..7764617b8f9c 100644 +--- a/arch/x86/include/asm/pgtable_64_types.h ++++ b/arch/x86/include/asm/pgtable_64_types.h +@@ -88,16 +88,15 @@ typedef struct { pteval_t pte; } pte_t; + # define VMALLOC_SIZE_TB _AC(12800, UL) + # define __VMALLOC_BASE _AC(0xffa0000000000000, UL) + # define __VMEMMAP_BASE _AC(0xffd4000000000000, UL) +-# define LDT_PGD_ENTRY _AC(-112, UL) +-# define LDT_BASE_ADDR (LDT_PGD_ENTRY << PGDIR_SHIFT) + #else + # define VMALLOC_SIZE_TB _AC(32, UL) + # define __VMALLOC_BASE _AC(0xffffc90000000000, UL) + # define __VMEMMAP_BASE _AC(0xffffea0000000000, UL) +-# define LDT_PGD_ENTRY _AC(-3, UL) +-# define LDT_BASE_ADDR (LDT_PGD_ENTRY << PGDIR_SHIFT) + #endif + ++#define LDT_PGD_ENTRY -240UL ++#define LDT_BASE_ADDR (LDT_PGD_ENTRY << PGDIR_SHIFT) ++ + #ifdef CONFIG_RANDOMIZE_MEMORY + # define VMALLOC_START vmalloc_base + # define VMEMMAP_START vmemmap_base +diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c +index 5e801c8c8ce7..374a52fa5296 100644 +--- a/arch/x86/kernel/early_printk.c ++++ b/arch/x86/kernel/early_printk.c +@@ -213,8 +213,9 @@ static unsigned int mem32_serial_in(unsigned long addr, int offset) + * early_pci_serial_init() + * + * This function is invoked when the early_printk param starts with "pciserial" +- * The rest of the param should be ",B:D.F,baud" where B, D & F describe the +- * location of a PCI device that must be a UART device. ++ * The rest of the param should be "[force],B:D.F,baud", where B, D & F describe ++ * the location of a PCI device that must be a UART device. "force" is optional ++ * and overrides the use of an UART device with a wrong PCI class code. + */ + static __init void early_pci_serial_init(char *s) + { +@@ -224,17 +225,23 @@ static __init void early_pci_serial_init(char *s) + u32 classcode, bar0; + u16 cmdreg; + char *e; ++ int force = 0; + +- +- /* +- * First, part the param to get the BDF values +- */ + if (*s == ',') + ++s; + + if (*s == 0) + return; + ++ /* Force the use of an UART device with wrong class code */ ++ if (!strncmp(s, "force,", 6)) { ++ force = 1; ++ s += 6; ++ } ++ ++ /* ++ * Part the param to get the BDF values ++ */ + bus = (u8)simple_strtoul(s, &e, 16); + s = e; + if (*s != ':') +@@ -253,7 +260,7 @@ static __init void early_pci_serial_init(char *s) + s++; + + /* +- * Second, find the device from the BDF ++ * Find the device from the BDF + */ + cmdreg = read_pci_config(bus, slot, func, PCI_COMMAND); + classcode = read_pci_config(bus, slot, func, PCI_CLASS_REVISION); +@@ -264,8 +271,10 @@ static __init void early_pci_serial_init(char *s) + */ + if (((classcode >> 16 != PCI_CLASS_COMMUNICATION_MODEM) && + (classcode >> 16 != PCI_CLASS_COMMUNICATION_SERIAL)) || +- (((classcode >> 8) & 0xff) != 0x02)) /* 16550 I/F at BAR0 */ +- return; ++ (((classcode >> 8) & 0xff) != 0x02)) /* 16550 I/F at BAR0 */ { ++ if (!force) ++ return; ++ } + + /* + * Determine if it is IO or memory mapped +@@ -289,7 +298,7 @@ static __init void early_pci_serial_init(char *s) + } + + /* +- * Lastly, initialize the hardware ++ * Initialize the hardware + */ + if (*s) { + if (strcmp(s, "nocfg") == 0) +diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c +index 26d713ecad34..65df298d4e9e 100644 +--- a/arch/x86/kernel/ldt.c ++++ b/arch/x86/kernel/ldt.c +@@ -103,14 +103,6 @@ static struct ldt_struct *alloc_ldt_struct(unsigned int num_entries) + /* + * If PTI is enabled, this maps the LDT into the kernelmode and + * usermode tables for the given mm. +- * +- * There is no corresponding unmap function. Even if the LDT is freed, we +- * leave the PTEs around until the slot is reused or the mm is destroyed. +- * This is harmless: the LDT is always in ordinary memory, and no one will +- * access the freed slot. +- * +- * If we wanted to unmap freed LDTs, we'd also need to do a flush to make +- * it useful, and the flush would slow down modify_ldt(). + */ + static int + map_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt, int slot) +@@ -119,8 +111,8 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt, int slot) + bool is_vmalloc, had_top_level_entry; + unsigned long va; + spinlock_t *ptl; ++ int i, nr_pages; + pgd_t *pgd; +- int i; + + if (!static_cpu_has(X86_FEATURE_PTI)) + return 0; +@@ -141,7 +133,9 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt, int slot) + + is_vmalloc = is_vmalloc_addr(ldt->entries); + +- for (i = 0; i * PAGE_SIZE < ldt->nr_entries * LDT_ENTRY_SIZE; i++) { ++ nr_pages = DIV_ROUND_UP(ldt->nr_entries * LDT_ENTRY_SIZE, PAGE_SIZE); ++ ++ for (i = 0; i < nr_pages; i++) { + unsigned long offset = i << PAGE_SHIFT; + const void *src = (char *)ldt->entries + offset; + unsigned long pfn; +@@ -189,14 +183,42 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt, int slot) + } + } + +- va = (unsigned long)ldt_slot_va(slot); +- flush_tlb_mm_range(mm, va, va + LDT_SLOT_STRIDE, 0); +- + ldt->slot = slot; + #endif + return 0; + } + ++static void unmap_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt) ++{ ++#ifdef CONFIG_PAGE_TABLE_ISOLATION ++ unsigned long va; ++ int i, nr_pages; ++ ++ if (!ldt) ++ return; ++ ++ /* LDT map/unmap is only required for PTI */ ++ if (!static_cpu_has(X86_FEATURE_PTI)) ++ return; ++ ++ nr_pages = DIV_ROUND_UP(ldt->nr_entries * LDT_ENTRY_SIZE, PAGE_SIZE); ++ ++ for (i = 0; i < nr_pages; i++) { ++ unsigned long offset = i << PAGE_SHIFT; ++ spinlock_t *ptl; ++ pte_t *ptep; ++ ++ va = (unsigned long)ldt_slot_va(ldt->slot) + offset; ++ ptep = get_locked_pte(mm, va, &ptl); ++ pte_clear(mm, va, ptep); ++ pte_unmap_unlock(ptep, ptl); ++ } ++ ++ va = (unsigned long)ldt_slot_va(ldt->slot); ++ flush_tlb_mm_range(mm, va, va + nr_pages * PAGE_SIZE, 0); ++#endif /* CONFIG_PAGE_TABLE_ISOLATION */ ++} ++ + static void free_ldt_pgtables(struct mm_struct *mm) + { + #ifdef CONFIG_PAGE_TABLE_ISOLATION +@@ -433,6 +455,7 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode) + } + + install_ldt(mm, new_ldt); ++ unmap_ldt_struct(mm, old_ldt); + free_ldt_struct(old_ldt); + error = 0; + +diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c +index 8ed11a5b1a9d..b33fa127a613 100644 +--- a/arch/x86/xen/mmu_pv.c ++++ b/arch/x86/xen/mmu_pv.c +@@ -1869,7 +1869,7 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) + init_top_pgt[0] = __pgd(0); + + /* Pre-constructed entries are in pfn, so convert to mfn */ +- /* L4[272] -> level3_ident_pgt */ ++ /* L4[273] -> level3_ident_pgt */ + /* L4[511] -> level3_kernel_pgt */ + convert_pfn_mfn(init_top_pgt); + +@@ -1889,8 +1889,8 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) + addr[0] = (unsigned long)pgd; + addr[1] = (unsigned long)l3; + addr[2] = (unsigned long)l2; +- /* Graft it onto L4[272][0]. Note that we creating an aliasing problem: +- * Both L4[272][0] and L4[511][510] have entries that point to the same ++ /* Graft it onto L4[273][0]. Note that we creating an aliasing problem: ++ * Both L4[273][0] and L4[511][510] have entries that point to the same + * L2 (PMD) tables. Meaning that if you modify it in __va space + * it will be also modified in the __ka space! (But if you just + * modify the PMD table to point to other PTE's or none, then you +diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c +index 88cd949003f3..ecd84d910ed2 100644 +--- a/drivers/acpi/acpi_platform.c ++++ b/drivers/acpi/acpi_platform.c +@@ -30,6 +30,7 @@ static const struct acpi_device_id forbidden_id_list[] = { + {"PNP0200", 0}, /* AT DMA Controller */ + {"ACPI0009", 0}, /* IOxAPIC */ + {"ACPI000A", 0}, /* IOAPIC */ ++ {"SMB0001", 0}, /* ACPI SMBUS virtual device */ + {"", 0}, + }; + +diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c +index 4bde16fb97d8..95600309ce42 100644 +--- a/drivers/acpi/acpi_watchdog.c ++++ b/drivers/acpi/acpi_watchdog.c +@@ -12,35 +12,51 @@ + #define pr_fmt(fmt) "ACPI: watchdog: " fmt + + #include <linux/acpi.h> +-#include <linux/dmi.h> + #include <linux/ioport.h> + #include <linux/platform_device.h> + + #include "internal.h" + +-static const struct dmi_system_id acpi_watchdog_skip[] = { +- { +- /* +- * On Lenovo Z50-70 there are two issues with the WDAT +- * table. First some of the instructions use RTC SRAM +- * to store persistent information. This does not work well +- * with Linux RTC driver. Second, more important thing is +- * that the instructions do not actually reset the system. +- * +- * On this particular system iTCO_wdt seems to work just +- * fine so we prefer that over WDAT for now. +- * +- * See also https://bugzilla.kernel.org/show_bug.cgi?id=199033. +- */ +- .ident = "Lenovo Z50-70", +- .matches = { +- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), +- DMI_MATCH(DMI_PRODUCT_NAME, "20354"), +- DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Z50-70"), +- }, +- }, +- {} +-}; ++#ifdef CONFIG_RTC_MC146818_LIB ++#include <linux/mc146818rtc.h> ++ ++/* ++ * There are several systems where the WDAT table is accessing RTC SRAM to ++ * store persistent information. This does not work well with the Linux RTC ++ * driver so on those systems we skip WDAT driver and prefer iTCO_wdt ++ * instead. ++ * ++ * See also https://bugzilla.kernel.org/show_bug.cgi?id=199033. ++ */ ++static bool acpi_watchdog_uses_rtc(const struct acpi_table_wdat *wdat) ++{ ++ const struct acpi_wdat_entry *entries; ++ int i; ++ ++ entries = (struct acpi_wdat_entry *)(wdat + 1); ++ for (i = 0; i < wdat->entries; i++) { ++ const struct acpi_generic_address *gas; ++ ++ gas = &entries[i].register_region; ++ if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { ++ switch (gas->address) { ++ case RTC_PORT(0): ++ case RTC_PORT(1): ++ case RTC_PORT(2): ++ case RTC_PORT(3): ++ return true; ++ } ++ } ++ } ++ ++ return false; ++} ++#else ++static bool acpi_watchdog_uses_rtc(const struct acpi_table_wdat *wdat) ++{ ++ return false; ++} ++#endif + + static const struct acpi_table_wdat *acpi_watchdog_get_wdat(void) + { +@@ -50,9 +66,6 @@ static const struct acpi_table_wdat *acpi_watchdog_get_wdat(void) + if (acpi_disabled) + return NULL; + +- if (dmi_check_system(acpi_watchdog_skip)) +- return NULL; +- + status = acpi_get_table(ACPI_SIG_WDAT, 0, + (struct acpi_table_header **)&wdat); + if (ACPI_FAILURE(status)) { +@@ -60,6 +73,11 @@ static const struct acpi_table_wdat *acpi_watchdog_get_wdat(void) + return NULL; + } + ++ if (acpi_watchdog_uses_rtc(wdat)) { ++ pr_info("Skipping WDAT on this system because it uses RTC SRAM\n"); ++ return NULL; ++ } ++ + return wdat; + } + +diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c +index 1e2648e4c286..27b202c64c84 100644 +--- a/drivers/block/zram/zram_drv.c ++++ b/drivers/block/zram/zram_drv.c +@@ -1491,6 +1491,11 @@ static const struct attribute_group zram_disk_attr_group = { + .attrs = zram_disk_attrs, + }; + ++static const struct attribute_group *zram_disk_attr_groups[] = { ++ &zram_disk_attr_group, ++ NULL, ++}; ++ + /* + * Allocate and initialize new zram device. the function returns + * '>= 0' device_id upon success, and negative value otherwise. +@@ -1568,23 +1573,14 @@ static int zram_add(void) + if (ZRAM_LOGICAL_BLOCK_SIZE == PAGE_SIZE) + blk_queue_max_write_zeroes_sectors(zram->disk->queue, UINT_MAX); + ++ disk_to_dev(zram->disk)->groups = zram_disk_attr_groups; + add_disk(zram->disk); + +- ret = sysfs_create_group(&disk_to_dev(zram->disk)->kobj, +- &zram_disk_attr_group); +- if (ret < 0) { +- pr_err("Error creating sysfs group for device %d\n", +- device_id); +- goto out_free_disk; +- } + strlcpy(zram->compressor, default_compressor, sizeof(zram->compressor)); + + pr_info("Added device: %s\n", zram->disk->disk_name); + return device_id; + +-out_free_disk: +- del_gendisk(zram->disk); +- put_disk(zram->disk); + out_free_queue: + blk_cleanup_queue(queue); + out_free_idr: +@@ -1612,16 +1608,6 @@ static int zram_remove(struct zram *zram) + zram->claim = true; + mutex_unlock(&bdev->bd_mutex); + +- /* +- * Remove sysfs first, so no one will perform a disksize +- * store while we destroy the devices. This also helps during +- * hot_remove -- zram_reset_device() is the last holder of +- * ->init_lock, no later/concurrent disksize_store() or any +- * other sysfs handlers are possible. +- */ +- sysfs_remove_group(&disk_to_dev(zram->disk)->kobj, +- &zram_disk_attr_group); +- + /* Make sure all the pending I/O are finished */ + fsync_bdev(bdev); + zram_reset_device(zram); +diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c +index 20724abd38bd..7df6b5b1e7ee 100644 +--- a/drivers/clk/clk-fixed-factor.c ++++ b/drivers/clk/clk-fixed-factor.c +@@ -210,6 +210,7 @@ static int of_fixed_factor_clk_remove(struct platform_device *pdev) + { + struct clk *clk = platform_get_drvdata(pdev); + ++ of_clk_del_provider(pdev->dev.of_node); + clk_unregister_fixed_factor(clk); + + return 0; +diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c +index b5c46b3f8764..6d6475c32ee5 100644 +--- a/drivers/clk/clk-fixed-rate.c ++++ b/drivers/clk/clk-fixed-rate.c +@@ -200,6 +200,7 @@ static int of_fixed_clk_remove(struct platform_device *pdev) + { + struct clk *clk = platform_get_drvdata(pdev); + ++ of_clk_del_provider(pdev->dev.of_node); + clk_unregister_fixed_rate(clk); + + return 0; +diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c +index 25601967d1cd..500a55415e90 100644 +--- a/drivers/clk/samsung/clk-exynos5420.c ++++ b/drivers/clk/samsung/clk-exynos5420.c +@@ -280,6 +280,7 @@ static const struct samsung_clk_reg_dump exynos5420_set_clksrc[] = { + { .offset = GATE_BUS_TOP, .value = 0xffffffff, }, + { .offset = GATE_BUS_DISP1, .value = 0xffffffff, }, + { .offset = GATE_IP_PERIC, .value = 0xffffffff, }, ++ { .offset = GATE_IP_PERIS, .value = 0xffffffff, }, + }; + + static int exynos5420_clk_suspend(void) +diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c +index d1191ebed072..ed01e3aae0e8 100644 +--- a/drivers/gpu/drm/drm_edid.c ++++ b/drivers/gpu/drm/drm_edid.c +@@ -120,6 +120,9 @@ static const struct edid_quirk { + /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */ + { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC }, + ++ /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */ ++ { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC }, ++ + /* Belinea 10 15 55 */ + { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, + { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 }, +diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +index f905c214fdd0..5a5b3535411f 100644 +--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c ++++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +@@ -160,13 +160,6 @@ static u32 decon_get_frame_count(struct decon_context *ctx, bool end) + return frm; + } + +-static u32 decon_get_vblank_counter(struct exynos_drm_crtc *crtc) +-{ +- struct decon_context *ctx = crtc->ctx; +- +- return decon_get_frame_count(ctx, false); +-} +- + static void decon_setup_trigger(struct decon_context *ctx) + { + if (!ctx->crtc->i80_mode && !(ctx->out_type & I80_HW_TRG)) +@@ -532,7 +525,6 @@ static const struct exynos_drm_crtc_ops decon_crtc_ops = { + .disable = decon_disable, + .enable_vblank = decon_enable_vblank, + .disable_vblank = decon_disable_vblank, +- .get_vblank_counter = decon_get_vblank_counter, + .atomic_begin = decon_atomic_begin, + .update_plane = decon_update_plane, + .disable_plane = decon_disable_plane, +@@ -550,7 +542,6 @@ static int decon_bind(struct device *dev, struct device *master, void *data) + int ret; + + ctx->drm_dev = drm_dev; +- drm_dev->max_vblank_count = 0xffffffff; + + for (win = ctx->first_win; win < WINDOWS_NR; win++) { + int tmp = (win == ctx->first_win) ? 0 : win; +diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c +index 6ce0821590df..4787560bf93e 100644 +--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c ++++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c +@@ -147,16 +147,6 @@ static void exynos_drm_crtc_disable_vblank(struct drm_crtc *crtc) + exynos_crtc->ops->disable_vblank(exynos_crtc); + } + +-static u32 exynos_drm_crtc_get_vblank_counter(struct drm_crtc *crtc) +-{ +- struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); +- +- if (exynos_crtc->ops->get_vblank_counter) +- return exynos_crtc->ops->get_vblank_counter(exynos_crtc); +- +- return 0; +-} +- + static const struct drm_crtc_funcs exynos_crtc_funcs = { + .set_config = drm_atomic_helper_set_config, + .page_flip = drm_atomic_helper_page_flip, +@@ -166,7 +156,6 @@ static const struct drm_crtc_funcs exynos_crtc_funcs = { + .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, + .enable_vblank = exynos_drm_crtc_enable_vblank, + .disable_vblank = exynos_drm_crtc_disable_vblank, +- .get_vblank_counter = exynos_drm_crtc_get_vblank_counter, + }; + + struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev, +diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h +index f8bae4cb4823..d228b5148dbc 100644 +--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h ++++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h +@@ -133,7 +133,6 @@ struct exynos_drm_crtc_ops { + void (*disable)(struct exynos_drm_crtc *crtc); + int (*enable_vblank)(struct exynos_drm_crtc *crtc); + void (*disable_vblank)(struct exynos_drm_crtc *crtc); +- u32 (*get_vblank_counter)(struct exynos_drm_crtc *crtc); + enum drm_mode_status (*mode_valid)(struct exynos_drm_crtc *crtc, + const struct drm_display_mode *mode); + int (*atomic_check)(struct exynos_drm_crtc *crtc, +diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c +index 6f819f144cb4..6f67d73b184e 100644 +--- a/drivers/hid/uhid.c ++++ b/drivers/hid/uhid.c +@@ -12,6 +12,7 @@ + + #include <linux/atomic.h> + #include <linux/compat.h> ++#include <linux/cred.h> + #include <linux/device.h> + #include <linux/fs.h> + #include <linux/hid.h> +@@ -722,6 +723,17 @@ static ssize_t uhid_char_write(struct file *file, const char __user *buffer, + + switch (uhid->input_buf.type) { + case UHID_CREATE: ++ /* ++ * 'struct uhid_create_req' contains a __user pointer which is ++ * copied from, so it's unsafe to allow this with elevated ++ * privileges (e.g. from a setuid binary) or via kernel_write(). ++ */ ++ if (file->f_cred != current_cred() || uaccess_kernel()) { ++ pr_err_once("UHID_CREATE from different security context by process %d (%s), this is not allowed.\n", ++ task_tgid_vnr(current), current->comm); ++ ret = -EACCES; ++ goto unlock; ++ } + ret = uhid_dev_create(uhid, &uhid->input_buf); + break; + case UHID_CREATE2: +diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c +index 5ccdd0b52650..b38f4951c94e 100644 +--- a/drivers/hwmon/ibmpowernv.c ++++ b/drivers/hwmon/ibmpowernv.c +@@ -126,7 +126,7 @@ static ssize_t show_label(struct device *dev, struct device_attribute *devattr, + return sprintf(buf, "%s\n", sdata->label); + } + +-static int __init get_logical_cpu(int hwcpu) ++static int get_logical_cpu(int hwcpu) + { + int cpu; + +@@ -137,9 +137,8 @@ static int __init get_logical_cpu(int hwcpu) + return -ENOENT; + } + +-static void __init make_sensor_label(struct device_node *np, +- struct sensor_data *sdata, +- const char *label) ++static void make_sensor_label(struct device_node *np, ++ struct sensor_data *sdata, const char *label) + { + u32 id; + size_t n; +diff --git a/drivers/media/v4l2-core/v4l2-event.c b/drivers/media/v4l2-core/v4l2-event.c +index 568dd4affb33..011907eff660 100644 +--- a/drivers/media/v4l2-core/v4l2-event.c ++++ b/drivers/media/v4l2-core/v4l2-event.c +@@ -193,6 +193,22 @@ int v4l2_event_pending(struct v4l2_fh *fh) + } + EXPORT_SYMBOL_GPL(v4l2_event_pending); + ++static void __v4l2_event_unsubscribe(struct v4l2_subscribed_event *sev) ++{ ++ struct v4l2_fh *fh = sev->fh; ++ unsigned int i; ++ ++ lockdep_assert_held(&fh->subscribe_lock); ++ assert_spin_locked(&fh->vdev->fh_lock); ++ ++ /* Remove any pending events for this subscription */ ++ for (i = 0; i < sev->in_use; i++) { ++ list_del(&sev->events[sev_pos(sev, i)].list); ++ fh->navailable--; ++ } ++ list_del(&sev->list); ++} ++ + int v4l2_event_subscribe(struct v4l2_fh *fh, + const struct v4l2_event_subscription *sub, unsigned elems, + const struct v4l2_subscribed_event_ops *ops) +@@ -225,27 +241,23 @@ int v4l2_event_subscribe(struct v4l2_fh *fh, + + spin_lock_irqsave(&fh->vdev->fh_lock, flags); + found_ev = v4l2_event_subscribed(fh, sub->type, sub->id); ++ if (!found_ev) ++ list_add(&sev->list, &fh->subscribed); + spin_unlock_irqrestore(&fh->vdev->fh_lock, flags); + + if (found_ev) { + /* Already listening */ + kvfree(sev); +- goto out_unlock; +- } +- +- if (sev->ops && sev->ops->add) { ++ } else if (sev->ops && sev->ops->add) { + ret = sev->ops->add(sev, elems); + if (ret) { ++ spin_lock_irqsave(&fh->vdev->fh_lock, flags); ++ __v4l2_event_unsubscribe(sev); ++ spin_unlock_irqrestore(&fh->vdev->fh_lock, flags); + kvfree(sev); +- goto out_unlock; + } + } + +- spin_lock_irqsave(&fh->vdev->fh_lock, flags); +- list_add(&sev->list, &fh->subscribed); +- spin_unlock_irqrestore(&fh->vdev->fh_lock, flags); +- +-out_unlock: + mutex_unlock(&fh->subscribe_lock); + + return ret; +@@ -280,7 +292,6 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh, + { + struct v4l2_subscribed_event *sev; + unsigned long flags; +- int i; + + if (sub->type == V4L2_EVENT_ALL) { + v4l2_event_unsubscribe_all(fh); +@@ -292,14 +303,8 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh, + spin_lock_irqsave(&fh->vdev->fh_lock, flags); + + sev = v4l2_event_subscribed(fh, sub->type, sub->id); +- if (sev != NULL) { +- /* Remove any pending events for this subscription */ +- for (i = 0; i < sev->in_use; i++) { +- list_del(&sev->events[sev_pos(sev, i)].list); +- fh->navailable--; +- } +- list_del(&sev->list); +- } ++ if (sev != NULL) ++ __v4l2_event_unsubscribe(sev); + + spin_unlock_irqrestore(&fh->vdev->fh_lock, flags); + +diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c +index b2a0340f277e..d8e3cc2dc747 100644 +--- a/drivers/misc/atmel-ssc.c ++++ b/drivers/misc/atmel-ssc.c +@@ -132,7 +132,7 @@ static const struct of_device_id atmel_ssc_dt_ids[] = { + MODULE_DEVICE_TABLE(of, atmel_ssc_dt_ids); + #endif + +-static inline const struct atmel_ssc_platform_data * __init ++static inline const struct atmel_ssc_platform_data * + atmel_ssc_get_driver_data(struct platform_device *pdev) + { + if (pdev->dev.of_node) { +diff --git a/drivers/misc/sgi-gru/grukdump.c b/drivers/misc/sgi-gru/grukdump.c +index 313da3150262..1540a7785e14 100644 +--- a/drivers/misc/sgi-gru/grukdump.c ++++ b/drivers/misc/sgi-gru/grukdump.c +@@ -27,6 +27,9 @@ + #include <linux/delay.h> + #include <linux/bitops.h> + #include <asm/uv/uv_hub.h> ++ ++#include <linux/nospec.h> ++ + #include "gru.h" + #include "grutables.h" + #include "gruhandles.h" +@@ -196,6 +199,7 @@ int gru_dump_chiplet_request(unsigned long arg) + /* Currently, only dump by gid is implemented */ + if (req.gid >= gru_max_gids) + return -EINVAL; ++ req.gid = array_index_nospec(req.gid, gru_max_gids); + + gru = GID_TO_GRU(req.gid); + ubuf = req.buf; +diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c +index 04dbf64fb1cb..176c99b8251d 100644 +--- a/drivers/net/ethernet/intel/i40e/i40e_main.c ++++ b/drivers/net/ethernet/intel/i40e/i40e_main.c +@@ -9688,6 +9688,8 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) + NETIF_F_GSO_GRE | + NETIF_F_GSO_GRE_CSUM | + NETIF_F_GSO_PARTIAL | ++ NETIF_F_GSO_IPXIP4 | ++ NETIF_F_GSO_IPXIP6 | + NETIF_F_GSO_UDP_TUNNEL | + NETIF_F_GSO_UDP_TUNNEL_CSUM | + NETIF_F_SCTP_CRC | +diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +index 112d24c6c9ce..4904a63b83ef 100644 +--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c ++++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +@@ -760,8 +760,10 @@ static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) + ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, + adapter->default_up, vf); + +- if (vfinfo->spoofchk_enabled) ++ if (vfinfo->spoofchk_enabled) { + hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); ++ hw->mac.ops.set_mac_anti_spoofing(hw, true, vf); ++ } + } + + /* reset multicast table array for vf */ +diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp.h b/drivers/net/ethernet/qlogic/qed/qed_sp.h +index ab4ad8a1e2a5..01a213d4ee9c 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_sp.h ++++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h +@@ -167,6 +167,9 @@ struct qed_spq_entry { + enum spq_mode comp_mode; + struct qed_spq_comp_cb comp_cb; + struct qed_spq_comp_done comp_done; /* SPQ_MODE_EBLOCK */ ++ ++ /* Posted entry for unlimited list entry in EBLOCK mode */ ++ struct qed_spq_entry *post_ent; + }; + + struct qed_eq { +diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c +index d7c5965328be..b26578464469 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c ++++ b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c +@@ -80,7 +80,7 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn, + + case QED_SPQ_MODE_BLOCK: + if (!p_data->p_comp_data) +- return -EINVAL; ++ goto err; + + p_ent->comp_cb.cookie = p_data->p_comp_data->cookie; + break; +@@ -95,7 +95,7 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn, + default: + DP_NOTICE(p_hwfn, "Unknown SPQE completion mode %d\n", + p_ent->comp_mode); +- return -EINVAL; ++ goto err; + } + + DP_VERBOSE(p_hwfn, QED_MSG_SPQ, +@@ -109,6 +109,18 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn, + memset(&p_ent->ramrod, 0, sizeof(p_ent->ramrod)); + + return 0; ++ ++err: ++ /* qed_spq_get_entry() can either get an entry from the free_pool, ++ * or, if no entries are left, allocate a new entry and add it to ++ * the unlimited_pending list. ++ */ ++ if (p_ent->queue == &p_hwfn->p_spq->unlimited_pending) ++ kfree(p_ent); ++ else ++ qed_spq_return_entry(p_hwfn, p_ent); ++ ++ return -EINVAL; + } + + static enum tunnel_clss qed_tunn_clss_to_fw_clss(u8 type) +diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c +index be48d9abd001..467755b6dd0b 100644 +--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c ++++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c +@@ -144,6 +144,7 @@ static int qed_spq_block(struct qed_hwfn *p_hwfn, + + DP_INFO(p_hwfn, "Ramrod is stuck, requesting MCP drain\n"); + rc = qed_mcp_drain(p_hwfn, p_ptt); ++ qed_ptt_release(p_hwfn, p_ptt); + if (rc) { + DP_NOTICE(p_hwfn, "MCP drain failed\n"); + goto err; +@@ -152,18 +153,15 @@ static int qed_spq_block(struct qed_hwfn *p_hwfn, + /* Retry after drain */ + rc = __qed_spq_block(p_hwfn, p_ent, p_fw_ret, true); + if (!rc) +- goto out; ++ return 0; + + comp_done = (struct qed_spq_comp_done *)p_ent->comp_cb.cookie; +- if (comp_done->done == 1) ++ if (comp_done->done == 1) { + if (p_fw_ret) + *p_fw_ret = comp_done->fw_return_code; +-out: +- qed_ptt_release(p_hwfn, p_ptt); +- return 0; +- ++ return 0; ++ } + err: +- qed_ptt_release(p_hwfn, p_ptt); + DP_NOTICE(p_hwfn, + "Ramrod is stuck [CID %08x cmd %02x protocol %02x echo %04x]\n", + le32_to_cpu(p_ent->elem.hdr.cid), +@@ -687,6 +685,8 @@ static int qed_spq_add_entry(struct qed_hwfn *p_hwfn, + /* EBLOCK responsible to free the allocated p_ent */ + if (p_ent->comp_mode != QED_SPQ_MODE_EBLOCK) + kfree(p_ent); ++ else ++ p_ent->post_ent = p_en2; + + p_ent = p_en2; + } +@@ -770,6 +770,25 @@ static int qed_spq_pend_post(struct qed_hwfn *p_hwfn) + SPQ_HIGH_PRI_RESERVE_DEFAULT); + } + ++/* Avoid overriding of SPQ entries when getting out-of-order completions, by ++ * marking the completions in a bitmap and increasing the chain consumer only ++ * for the first successive completed entries. ++ */ ++static void qed_spq_comp_bmap_update(struct qed_hwfn *p_hwfn, __le16 echo) ++{ ++ u16 pos = le16_to_cpu(echo) % SPQ_RING_SIZE; ++ struct qed_spq *p_spq = p_hwfn->p_spq; ++ ++ __set_bit(pos, p_spq->p_comp_bitmap); ++ while (test_bit(p_spq->comp_bitmap_idx, ++ p_spq->p_comp_bitmap)) { ++ __clear_bit(p_spq->comp_bitmap_idx, ++ p_spq->p_comp_bitmap); ++ p_spq->comp_bitmap_idx++; ++ qed_chain_return_produced(&p_spq->chain); ++ } ++} ++ + int qed_spq_post(struct qed_hwfn *p_hwfn, + struct qed_spq_entry *p_ent, u8 *fw_return_code) + { +@@ -821,11 +840,12 @@ int qed_spq_post(struct qed_hwfn *p_hwfn, + p_ent->queue == &p_spq->unlimited_pending); + + if (p_ent->queue == &p_spq->unlimited_pending) { +- /* This is an allocated p_ent which does not need to +- * return to pool. +- */ ++ struct qed_spq_entry *p_post_ent = p_ent->post_ent; ++ + kfree(p_ent); +- return rc; ++ ++ /* Return the entry which was actually posted */ ++ p_ent = p_post_ent; + } + + if (rc) +@@ -839,7 +859,7 @@ int qed_spq_post(struct qed_hwfn *p_hwfn, + spq_post_fail2: + spin_lock_bh(&p_spq->lock); + list_del(&p_ent->list); +- qed_chain_return_produced(&p_spq->chain); ++ qed_spq_comp_bmap_update(p_hwfn, p_ent->elem.hdr.echo); + + spq_post_fail: + /* return to the free pool */ +@@ -871,25 +891,8 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn, + spin_lock_bh(&p_spq->lock); + list_for_each_entry_safe(p_ent, tmp, &p_spq->completion_pending, list) { + if (p_ent->elem.hdr.echo == echo) { +- u16 pos = le16_to_cpu(echo) % SPQ_RING_SIZE; +- + list_del(&p_ent->list); +- +- /* Avoid overriding of SPQ entries when getting +- * out-of-order completions, by marking the completions +- * in a bitmap and increasing the chain consumer only +- * for the first successive completed entries. +- */ +- __set_bit(pos, p_spq->p_comp_bitmap); +- +- while (test_bit(p_spq->comp_bitmap_idx, +- p_spq->p_comp_bitmap)) { +- __clear_bit(p_spq->comp_bitmap_idx, +- p_spq->p_comp_bitmap); +- p_spq->comp_bitmap_idx++; +- qed_chain_return_produced(&p_spq->chain); +- } +- ++ qed_spq_comp_bmap_update(p_hwfn, echo); + p_spq->comp_count++; + found = p_ent; + break; +@@ -928,11 +931,9 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn, + QED_MSG_SPQ, + "Got a completion without a callback function\n"); + +- if ((found->comp_mode != QED_SPQ_MODE_EBLOCK) || +- (found->queue == &p_spq->unlimited_pending)) ++ if (found->comp_mode != QED_SPQ_MODE_EBLOCK) + /* EBLOCK is responsible for returning its own entry into the +- * free list, unless it originally added the entry into the +- * unlimited pending list. ++ * free list. + */ + qed_spq_return_entry(p_hwfn, found); + +diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h +index 627fec210e2f..8e2a19616bc9 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/common.h ++++ b/drivers/net/ethernet/stmicro/stmmac/common.h +@@ -340,7 +340,8 @@ struct dma_features { + + /* GMAC TX FIFO is 8K, Rx FIFO is 16K */ + #define BUF_SIZE_16KiB 16384 +-#define BUF_SIZE_8KiB 8192 ++/* RX Buffer size must be < 8191 and multiple of 4/8/16 bytes */ ++#define BUF_SIZE_8KiB 8188 + #define BUF_SIZE_4KiB 4096 + #define BUF_SIZE_2KiB 2048 + +diff --git a/drivers/net/ethernet/stmicro/stmmac/descs_com.h b/drivers/net/ethernet/stmicro/stmmac/descs_com.h +index ca9d7e48034c..40d6356a7e73 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/descs_com.h ++++ b/drivers/net/ethernet/stmicro/stmmac/descs_com.h +@@ -31,7 +31,7 @@ + /* Enhanced descriptors */ + static inline void ehn_desc_rx_set_on_ring(struct dma_desc *p, int end) + { +- p->des1 |= cpu_to_le32(((BUF_SIZE_8KiB - 1) ++ p->des1 |= cpu_to_le32((BUF_SIZE_8KiB + << ERDES1_BUFFER2_SIZE_SHIFT) + & ERDES1_BUFFER2_SIZE_MASK); + +diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +index 2a828a312814..acd65a4f94d4 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c ++++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +@@ -262,7 +262,7 @@ static void enh_desc_init_rx_desc(struct dma_desc *p, int disable_rx_ic, + int mode, int end) + { + p->des0 |= cpu_to_le32(RDES0_OWN); +- p->des1 |= cpu_to_le32((BUF_SIZE_8KiB - 1) & ERDES1_BUFFER1_SIZE_MASK); ++ p->des1 |= cpu_to_le32(BUF_SIZE_8KiB & ERDES1_BUFFER1_SIZE_MASK); + + if (mode == STMMAC_CHAIN_MODE) + ehn_desc_rx_set_on_chain(p); +diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +index 28e4b5d50ce6..1af7b078b94d 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c ++++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +@@ -143,7 +143,7 @@ static void stmmac_clean_desc3(void *priv_ptr, struct dma_desc *p) + static int stmmac_set_16kib_bfsize(int mtu) + { + int ret = 0; +- if (unlikely(mtu >= BUF_SIZE_8KiB)) ++ if (unlikely(mtu > BUF_SIZE_8KiB)) + ret = BUF_SIZE_16KiB; + return ret; + } +diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c +index ea22591ee66f..53dfe67807e3 100644 +--- a/drivers/platform/x86/acerhdf.c ++++ b/drivers/platform/x86/acerhdf.c +@@ -233,6 +233,7 @@ static const struct bios_settings bios_tbl[] = { + {"Gateway", "LT31", "v1.3201", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Gateway", "LT31", "v1.3302", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Gateway", "LT31", "v1.3303t", 0x55, 0x58, {0x9e, 0x00}, 0}, ++ {"Gateway", "LT31", "v1.3307", 0x55, 0x58, {0x9e, 0x00}, 0}, + /* Packard Bell */ + {"Packard Bell", "DOA150", "v0.3104", 0x55, 0x58, {0x21, 0x00}, 0}, + {"Packard Bell", "DOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00}, 0}, +diff --git a/drivers/platform/x86/intel_telemetry_debugfs.c b/drivers/platform/x86/intel_telemetry_debugfs.c +index d4fc42b4cbeb..401bdc7a9d94 100644 +--- a/drivers/platform/x86/intel_telemetry_debugfs.c ++++ b/drivers/platform/x86/intel_telemetry_debugfs.c +@@ -968,12 +968,16 @@ static int __init telemetry_debugfs_init(void) + debugfs_conf = (struct telemetry_debugfs_conf *)id->driver_data; + + err = telemetry_pltconfig_valid(); +- if (err < 0) ++ if (err < 0) { ++ pr_info("Invalid pltconfig, ensure IPC1 device is enabled in BIOS\n"); + return -ENODEV; ++ } + + err = telemetry_debugfs_check_evts(); +- if (err < 0) ++ if (err < 0) { ++ pr_info("telemetry_debugfs_check_evts failed\n"); + return -EINVAL; ++ } + + register_pm_notifier(&pm_notifier); + +diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c +index cd73172bff47..a19f2dc69e8a 100644 +--- a/drivers/s390/net/qeth_l3_main.c ++++ b/drivers/s390/net/qeth_l3_main.c +@@ -358,9 +358,6 @@ static void qeth_l3_clear_ip_htable(struct qeth_card *card, int recover) + + QETH_CARD_TEXT(card, 4, "clearip"); + +- if (recover && card->options.sniffer) +- return; +- + spin_lock_bh(&card->ip_lock); + + hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) { +@@ -818,6 +815,8 @@ static int qeth_l3_register_addr_entry(struct qeth_card *card, + int rc = 0; + int cnt = 3; + ++ if (card->options.sniffer) ++ return 0; + + if (addr->proto == QETH_PROT_IPV4) { + QETH_CARD_TEXT(card, 2, "setaddr4"); +@@ -853,6 +852,9 @@ static int qeth_l3_deregister_addr_entry(struct qeth_card *card, + { + int rc = 0; + ++ if (card->options.sniffer) ++ return 0; ++ + if (addr->proto == QETH_PROT_IPV4) { + QETH_CARD_TEXT(card, 2, "deladdr4"); + QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); +diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c +index 0a730136646d..654579bc1e54 100644 +--- a/drivers/uio/uio.c ++++ b/drivers/uio/uio.c +@@ -850,6 +850,8 @@ int __uio_register_device(struct module *owner, + if (ret) + goto err_uio_dev_add_attributes; + ++ info->uio_dev = idev; ++ + if (info->irq && (info->irq != UIO_IRQ_CUSTOM)) { + /* + * Note that we deliberately don't use devm_request_irq +@@ -861,11 +863,12 @@ int __uio_register_device(struct module *owner, + */ + ret = request_irq(info->irq, uio_interrupt, + info->irq_flags, info->name, idev); +- if (ret) ++ if (ret) { ++ info->uio_dev = NULL; + goto err_request_irq; ++ } + } + +- info->uio_dev = idev; + return 0; + + err_request_irq: +diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c +index e41d00bc7e97..5a8ef83a5c5c 100644 +--- a/drivers/usb/class/cdc-acm.c ++++ b/drivers/usb/class/cdc-acm.c +@@ -1724,6 +1724,9 @@ static const struct usb_device_id acm_ids[] = { + { USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */ + .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ + }, ++ { USB_DEVICE(0x0572, 0x1349), /* Hiro (Conexant) USB MODEM H50228 */ ++ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ ++ }, + { USB_DEVICE(0x20df, 0x0001), /* Simtec Electronics Entropy Key */ + .driver_info = QUIRK_CONTROL_LINE_STATE, }, + { USB_DEVICE(0x2184, 0x001c) }, /* GW Instek AFG-2225 */ +diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c +index 37a5e07b3488..1e8f68960014 100644 +--- a/drivers/usb/core/quirks.c ++++ b/drivers/usb/core/quirks.c +@@ -243,6 +243,9 @@ static const struct usb_device_id usb_quirk_list[] = { + { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT | + USB_QUIRK_DELAY_CTRL_MSG }, + ++ /* Corsair K70 LUX RGB */ ++ { USB_DEVICE(0x1b1c, 0x1b33), .driver_info = USB_QUIRK_DELAY_INIT }, ++ + /* Corsair K70 LUX */ + { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT }, + +@@ -263,6 +266,11 @@ static const struct usb_device_id usb_quirk_list[] = { + { USB_DEVICE(0x2040, 0x7200), .driver_info = + USB_QUIRK_CONFIG_INTF_STRINGS }, + ++ /* Raydium Touchscreen */ ++ { USB_DEVICE(0x2386, 0x3114), .driver_info = USB_QUIRK_NO_LPM }, ++ ++ { USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM }, ++ + /* DJI CineSSD */ + { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM }, + +diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c +index 8efdc500e790..288fe3e69d52 100644 +--- a/drivers/usb/misc/appledisplay.c ++++ b/drivers/usb/misc/appledisplay.c +@@ -63,6 +63,7 @@ static const struct usb_device_id appledisplay_table[] = { + { APPLEDISPLAY_DEVICE(0x9219) }, + { APPLEDISPLAY_DEVICE(0x921c) }, + { APPLEDISPLAY_DEVICE(0x921d) }, ++ { APPLEDISPLAY_DEVICE(0x9222) }, + { APPLEDISPLAY_DEVICE(0x9236) }, + + /* Terminating entry */ +diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c +index 44a7b2dea688..c5fd5abf7206 100644 +--- a/fs/cifs/cifsfs.c ++++ b/fs/cifs/cifsfs.c +@@ -933,8 +933,8 @@ static int cifs_clone_file_range(struct file *src_file, loff_t off, + struct inode *src_inode = file_inode(src_file); + struct inode *target_inode = file_inode(dst_file); + struct cifsFileInfo *smb_file_src = src_file->private_data; +- struct cifsFileInfo *smb_file_target = dst_file->private_data; +- struct cifs_tcon *target_tcon = tlink_tcon(smb_file_target->tlink); ++ struct cifsFileInfo *smb_file_target; ++ struct cifs_tcon *target_tcon; + unsigned int xid; + int rc; + +@@ -948,6 +948,9 @@ static int cifs_clone_file_range(struct file *src_file, loff_t off, + goto out; + } + ++ smb_file_target = dst_file->private_data; ++ target_tcon = tlink_tcon(smb_file_target->tlink); ++ + /* + * Note: cifs case is easier than btrfs since server responsible for + * checks for proper open modes and file type and if it wants +diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c +index 4e5b05263e4a..3372eedaa94d 100644 +--- a/fs/cifs/smb2ops.c ++++ b/fs/cifs/smb2ops.c +@@ -441,6 +441,7 @@ move_smb2_ea_to_cifs(char *dst, size_t dst_size, + int rc = 0; + unsigned int ea_name_len = ea_name ? strlen(ea_name) : 0; + char *name, *value; ++ size_t buf_size = dst_size; + size_t name_len, value_len, user_name_len; + + while (src_size > 0) { +@@ -476,9 +477,10 @@ move_smb2_ea_to_cifs(char *dst, size_t dst_size, + /* 'user.' plus a terminating null */ + user_name_len = 5 + 1 + name_len; + +- rc += user_name_len; +- +- if (dst_size >= user_name_len) { ++ if (buf_size == 0) { ++ /* skip copy - calc size only */ ++ rc += user_name_len; ++ } else if (dst_size >= user_name_len) { + dst_size -= user_name_len; + memcpy(dst, "user.", 5); + dst += 5; +@@ -486,8 +488,7 @@ move_smb2_ea_to_cifs(char *dst, size_t dst_size, + dst += name_len; + *dst = 0; + ++dst; +- } else if (dst_size == 0) { +- /* skip copy - calc size only */ ++ rc += user_name_len; + } else { + /* stop before overrun buffer */ + rc = -ERANGE; +diff --git a/fs/exofs/super.c b/fs/exofs/super.c +index 819624cfc8da..c9ec652e2fcd 100644 +--- a/fs/exofs/super.c ++++ b/fs/exofs/super.c +@@ -100,6 +100,7 @@ static int parse_options(char *options, struct exofs_mountopt *opts) + token = match_token(p, tokens, args); + switch (token) { + case Opt_name: ++ kfree(opts->dev_name); + opts->dev_name = match_strdup(&args[0]); + if (unlikely(!opts->dev_name)) { + EXOFS_ERR("Error allocating dev_name"); +@@ -863,8 +864,10 @@ static struct dentry *exofs_mount(struct file_system_type *type, + int ret; + + ret = parse_options(data, &opts); +- if (ret) ++ if (ret) { ++ kfree(opts.dev_name); + return ERR_PTR(ret); ++ } + + if (!opts.dev_name) + opts.dev_name = dev_name; +diff --git a/fs/hfs/brec.c b/fs/hfs/brec.c +index 9a8772465a90..da25c49203cc 100644 +--- a/fs/hfs/brec.c ++++ b/fs/hfs/brec.c +@@ -425,6 +425,10 @@ skip: + if (new_node) { + __be32 cnid; + ++ if (!new_node->parent) { ++ hfs_btree_inc_height(tree); ++ new_node->parent = tree->root; ++ } + fd->bnode = hfs_bnode_find(tree, new_node->parent); + /* create index key and entry */ + hfs_bnode_read_key(new_node, fd->search_key, 14); +diff --git a/fs/hfsplus/brec.c b/fs/hfsplus/brec.c +index 808f4d8c859c..d3f36982f685 100644 +--- a/fs/hfsplus/brec.c ++++ b/fs/hfsplus/brec.c +@@ -428,6 +428,10 @@ skip: + if (new_node) { + __be32 cnid; + ++ if (!new_node->parent) { ++ hfs_btree_inc_height(tree); ++ new_node->parent = tree->root; ++ } + fd->bnode = hfs_bnode_find(tree, new_node->parent); + /* create index key and entry */ + hfs_bnode_read_key(new_node, fd->search_key, 14); +diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c +index 505f87a8c724..83423192588c 100644 +--- a/fs/reiserfs/xattr.c ++++ b/fs/reiserfs/xattr.c +@@ -185,6 +185,7 @@ struct reiserfs_dentry_buf { + struct dir_context ctx; + struct dentry *xadir; + int count; ++ int err; + struct dentry *dentries[8]; + }; + +@@ -207,6 +208,7 @@ fill_with_dentries(struct dir_context *ctx, const char *name, int namelen, + + dentry = lookup_one_len(name, dbuf->xadir, namelen); + if (IS_ERR(dentry)) { ++ dbuf->err = PTR_ERR(dentry); + return PTR_ERR(dentry); + } else if (d_really_is_negative(dentry)) { + /* A directory entry exists, but no file? */ +@@ -215,6 +217,7 @@ fill_with_dentries(struct dir_context *ctx, const char *name, int namelen, + "not found for file %pd.\n", + dentry, dbuf->xadir); + dput(dentry); ++ dbuf->err = -EIO; + return -EIO; + } + +@@ -262,6 +265,10 @@ static int reiserfs_for_each_xattr(struct inode *inode, + err = reiserfs_readdir_inode(d_inode(dir), &buf.ctx); + if (err) + break; ++ if (buf.err) { ++ err = buf.err; ++ break; ++ } + if (!buf.count) + break; + for (i = 0; !err && i < buf.count && buf.dentries[i]; i++) { +diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h +index 8e42253e5d4d..91a533bd3eb1 100644 +--- a/include/linux/netfilter/ipset/ip_set.h ++++ b/include/linux/netfilter/ipset/ip_set.h +@@ -312,7 +312,7 @@ enum { + extern ip_set_id_t ip_set_get_byname(struct net *net, + const char *name, struct ip_set **set); + extern void ip_set_put_byindex(struct net *net, ip_set_id_t index); +-extern const char *ip_set_name_byindex(struct net *net, ip_set_id_t index); ++extern void ip_set_name_byindex(struct net *net, ip_set_id_t index, char *name); + extern ip_set_id_t ip_set_nfnl_get_byindex(struct net *net, ip_set_id_t index); + extern void ip_set_nfnl_put(struct net *net, ip_set_id_t index); + +diff --git a/include/linux/netfilter/ipset/ip_set_comment.h b/include/linux/netfilter/ipset/ip_set_comment.h +index 8e2bab1e8e90..70877f8de7e9 100644 +--- a/include/linux/netfilter/ipset/ip_set_comment.h ++++ b/include/linux/netfilter/ipset/ip_set_comment.h +@@ -43,11 +43,11 @@ ip_set_init_comment(struct ip_set *set, struct ip_set_comment *comment, + rcu_assign_pointer(comment->c, c); + } + +-/* Used only when dumping a set, protected by rcu_read_lock_bh() */ ++/* Used only when dumping a set, protected by rcu_read_lock() */ + static inline int + ip_set_put_comment(struct sk_buff *skb, const struct ip_set_comment *comment) + { +- struct ip_set_comment_rcu *c = rcu_dereference_bh(comment->c); ++ struct ip_set_comment_rcu *c = rcu_dereference(comment->c); + + if (!c) + return 0; +diff --git a/kernel/sched/core.c b/kernel/sched/core.c +index 4e89ed8a0fb2..3bc664662081 100644 +--- a/kernel/sched/core.c ++++ b/kernel/sched/core.c +@@ -5733,14 +5733,17 @@ void __init sched_init_smp(void) + /* + * There's no userspace yet to cause hotplug operations; hence all the + * CPU masks are stable and all blatant races in the below code cannot +- * happen. ++ * happen. The hotplug lock is nevertheless taken to satisfy lockdep, ++ * but there won't be any contention on it. + */ ++ cpus_read_lock(); + mutex_lock(&sched_domains_mutex); + sched_init_domains(cpu_active_mask); + cpumask_andnot(non_isolated_cpus, cpu_possible_mask, cpu_isolated_map); + if (cpumask_empty(non_isolated_cpus)) + cpumask_set_cpu(smp_processor_id(), non_isolated_cpus); + mutex_unlock(&sched_domains_mutex); ++ cpus_read_unlock(); + + /* Move init over to a non-isolated CPU */ + if (set_cpus_allowed_ptr(current, non_isolated_cpus) < 0) +diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile +index be1010bdc435..565a77220fae 100644 +--- a/lib/raid6/test/Makefile ++++ b/lib/raid6/test/Makefile +@@ -27,7 +27,7 @@ ifeq ($(ARCH),arm) + CFLAGS += -I../../../arch/arm/include -mfpu=neon + HAS_NEON = yes + endif +-ifeq ($(ARCH),arm64) ++ifeq ($(ARCH),aarch64) + CFLAGS += -I../../../arch/arm64/include + HAS_NEON = yes + endif +@@ -41,7 +41,7 @@ ifeq ($(IS_X86),yes) + gcc -c -x assembler - >&/dev/null && \ + rm ./-.o && echo -DCONFIG_AS_AVX512=1) + else ifeq ($(HAS_NEON),yes) +- OBJS += neon.o neon1.o neon2.o neon4.o neon8.o ++ OBJS += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o + CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1 + else + HAS_ALTIVEC := $(shell printf '\#include <altivec.h>\nvector int a;\n' |\ +diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c +index 5c4e85296cf6..5281da82371a 100644 +--- a/net/ceph/messenger.c ++++ b/net/ceph/messenger.c +@@ -594,9 +594,15 @@ static int ceph_tcp_sendpage(struct socket *sock, struct page *page, + struct bio_vec bvec; + int ret; + +- /* sendpage cannot properly handle pages with page_count == 0, +- * we need to fallback to sendmsg if that's the case */ +- if (page_count(page) >= 1) ++ /* ++ * sendpage cannot properly handle pages with page_count == 0, ++ * we need to fall back to sendmsg if that's the case. ++ * ++ * Same goes for slab pages: skb_can_coalesce() allows ++ * coalescing neighboring slab objects into a single frag which ++ * triggers one of hardened usercopy checks. ++ */ ++ if (page_count(page) >= 1 && !PageSlab(page)) + return __ceph_tcp_sendpage(sock, page, offset, size, more); + + bvec.bv_page = page; +diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c +index 9d2ce1459cec..a3f1dc7cf538 100644 +--- a/net/netfilter/ipset/ip_set_core.c ++++ b/net/netfilter/ipset/ip_set_core.c +@@ -668,21 +668,20 @@ ip_set_put_byindex(struct net *net, ip_set_id_t index) + EXPORT_SYMBOL_GPL(ip_set_put_byindex); + + /* Get the name of a set behind a set index. +- * We assume the set is referenced, so it does exist and +- * can't be destroyed. The set cannot be renamed due to +- * the referencing either. +- * ++ * Set itself is protected by RCU, but its name isn't: to protect against ++ * renaming, grab ip_set_ref_lock as reader (see ip_set_rename()) and copy the ++ * name. + */ +-const char * +-ip_set_name_byindex(struct net *net, ip_set_id_t index) ++void ++ip_set_name_byindex(struct net *net, ip_set_id_t index, char *name) + { +- const struct ip_set *set = ip_set_rcu_get(net, index); ++ struct ip_set *set = ip_set_rcu_get(net, index); + + BUG_ON(!set); +- BUG_ON(set->ref == 0); + +- /* Referenced, so it's safe */ +- return set->name; ++ read_lock_bh(&ip_set_ref_lock); ++ strncpy(name, set->name, IPSET_MAXNAMELEN); ++ read_unlock_bh(&ip_set_ref_lock); + } + EXPORT_SYMBOL_GPL(ip_set_name_byindex); + +@@ -1128,7 +1127,7 @@ static int ip_set_rename(struct net *net, struct sock *ctnl, + if (!set) + return -ENOENT; + +- read_lock_bh(&ip_set_ref_lock); ++ write_lock_bh(&ip_set_ref_lock); + if (set->ref != 0) { + ret = -IPSET_ERR_REFERENCED; + goto out; +@@ -1145,7 +1144,7 @@ static int ip_set_rename(struct net *net, struct sock *ctnl, + strncpy(set->name, name2, IPSET_MAXNAMELEN); + + out: +- read_unlock_bh(&ip_set_ref_lock); ++ write_unlock_bh(&ip_set_ref_lock); + return ret; + } + +diff --git a/net/netfilter/ipset/ip_set_hash_netportnet.c b/net/netfilter/ipset/ip_set_hash_netportnet.c +index 8602f2595a1a..0e6e40c6f652 100644 +--- a/net/netfilter/ipset/ip_set_hash_netportnet.c ++++ b/net/netfilter/ipset/ip_set_hash_netportnet.c +@@ -213,13 +213,13 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[], + + if (tb[IPSET_ATTR_CIDR]) { + e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]); +- if (!e.cidr[0] || e.cidr[0] > HOST_MASK) ++ if (e.cidr[0] > HOST_MASK) + return -IPSET_ERR_INVALID_CIDR; + } + + if (tb[IPSET_ATTR_CIDR2]) { + e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]); +- if (!e.cidr[1] || e.cidr[1] > HOST_MASK) ++ if (e.cidr[1] > HOST_MASK) + return -IPSET_ERR_INVALID_CIDR; + } + +@@ -492,13 +492,13 @@ hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[], + + if (tb[IPSET_ATTR_CIDR]) { + e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]); +- if (!e.cidr[0] || e.cidr[0] > HOST_MASK) ++ if (e.cidr[0] > HOST_MASK) + return -IPSET_ERR_INVALID_CIDR; + } + + if (tb[IPSET_ATTR_CIDR2]) { + e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]); +- if (!e.cidr[1] || e.cidr[1] > HOST_MASK) ++ if (e.cidr[1] > HOST_MASK) + return -IPSET_ERR_INVALID_CIDR; + } + +diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c +index 178d4eba013b..75d52aed6fdb 100644 +--- a/net/netfilter/ipset/ip_set_list_set.c ++++ b/net/netfilter/ipset/ip_set_list_set.c +@@ -156,9 +156,7 @@ __list_set_del_rcu(struct rcu_head * rcu) + { + struct set_elem *e = container_of(rcu, struct set_elem, rcu); + struct ip_set *set = e->set; +- struct list_set *map = set->data; + +- ip_set_put_byindex(map->net, e->id); + ip_set_ext_destroy(set, e); + kfree(e); + } +@@ -166,15 +164,21 @@ __list_set_del_rcu(struct rcu_head * rcu) + static inline void + list_set_del(struct ip_set *set, struct set_elem *e) + { ++ struct list_set *map = set->data; ++ + set->elements--; + list_del_rcu(&e->list); ++ ip_set_put_byindex(map->net, e->id); + call_rcu(&e->rcu, __list_set_del_rcu); + } + + static inline void +-list_set_replace(struct set_elem *e, struct set_elem *old) ++list_set_replace(struct ip_set *set, struct set_elem *e, struct set_elem *old) + { ++ struct list_set *map = set->data; ++ + list_replace_rcu(&old->list, &e->list); ++ ip_set_put_byindex(map->net, old->id); + call_rcu(&old->rcu, __list_set_del_rcu); + } + +@@ -306,7 +310,7 @@ list_set_uadd(struct ip_set *set, void *value, const struct ip_set_ext *ext, + INIT_LIST_HEAD(&e->list); + list_set_init_extensions(set, ext, e); + if (n) +- list_set_replace(e, n); ++ list_set_replace(set, e, n); + else if (next) + list_add_tail_rcu(&e->list, &next->list); + else if (prev) +@@ -497,6 +501,7 @@ list_set_list(const struct ip_set *set, + const struct list_set *map = set->data; + struct nlattr *atd, *nested; + u32 i = 0, first = cb->args[IPSET_CB_ARG0]; ++ char name[IPSET_MAXNAMELEN]; + struct set_elem *e; + int ret = 0; + +@@ -515,8 +520,8 @@ list_set_list(const struct ip_set *set, + nested = ipset_nest_start(skb, IPSET_ATTR_DATA); + if (!nested) + goto nla_put_failure; +- if (nla_put_string(skb, IPSET_ATTR_NAME, +- ip_set_name_byindex(map->net, e->id))) ++ ip_set_name_byindex(map->net, e->id, name); ++ if (nla_put_string(skb, IPSET_ATTR_NAME, name)) + goto nla_put_failure; + if (ip_set_put_extensions(skb, set, e, true)) + goto nla_put_failure; +diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c +index 1141f08810b6..3fef8c2e545d 100644 +--- a/net/netfilter/xt_IDLETIMER.c ++++ b/net/netfilter/xt_IDLETIMER.c +@@ -116,6 +116,22 @@ static void idletimer_tg_expired(unsigned long data) + schedule_work(&timer->work); + } + ++static int idletimer_check_sysfs_name(const char *name, unsigned int size) ++{ ++ int ret; ++ ++ ret = xt_check_proc_name(name, size); ++ if (ret < 0) ++ return ret; ++ ++ if (!strcmp(name, "power") || ++ !strcmp(name, "subsystem") || ++ !strcmp(name, "uevent")) ++ return -EINVAL; ++ ++ return 0; ++} ++ + static int idletimer_tg_create(struct idletimer_tg_info *info) + { + int ret; +@@ -126,6 +142,10 @@ static int idletimer_tg_create(struct idletimer_tg_info *info) + goto out; + } + ++ ret = idletimer_check_sysfs_name(info->label, sizeof(info->label)); ++ if (ret < 0) ++ goto out_free_timer; ++ + sysfs_attr_init(&info->timer->attr.attr); + info->timer->attr.attr.name = kstrdup(info->label, GFP_KERNEL); + if (!info->timer->attr.attr.name) { +diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c +index 13695ba8fc54..4f382805eb9c 100644 +--- a/net/sunrpc/xdr.c ++++ b/net/sunrpc/xdr.c +@@ -512,7 +512,7 @@ EXPORT_SYMBOL_GPL(xdr_commit_encode); + static __be32 *xdr_get_next_encode_buffer(struct xdr_stream *xdr, + size_t nbytes) + { +- static __be32 *p; ++ __be32 *p; + int space_left; + int frag1bytes, frag2bytes; + +diff --git a/security/apparmor/lib.c b/security/apparmor/lib.c +index 08ca26bcca77..451654372a76 100644 +--- a/security/apparmor/lib.c ++++ b/security/apparmor/lib.c +@@ -90,10 +90,12 @@ const char *aa_splitn_fqname(const char *fqname, size_t n, const char **ns_name, + const char *end = fqname + n; + const char *name = skipn_spaces(fqname, n); + +- if (!name) +- return NULL; + *ns_name = NULL; + *ns_len = 0; ++ ++ if (!name) ++ return NULL; ++ + if (name[0] == ':') { + char *split = strnchr(&name[1], end - &name[1], ':'); + *ns_name = skipn_spaces(&name[1], end - &name[1]); +diff --git a/tools/perf/jvmti/jvmti_agent.c b/tools/perf/jvmti/jvmti_agent.c +index c1d20d951434..4ad9948fe594 100644 +--- a/tools/perf/jvmti/jvmti_agent.c ++++ b/tools/perf/jvmti/jvmti_agent.c +@@ -125,7 +125,7 @@ perf_get_timestamp(void) + } + + static int +-debug_cache_init(void) ++create_jit_cache_dir(void) + { + char str[32]; + char *base, *p; +@@ -144,8 +144,13 @@ debug_cache_init(void) + + strftime(str, sizeof(str), JIT_LANG"-jit-%Y%m%d", &tm); + +- snprintf(jit_path, PATH_MAX - 1, "%s/.debug/", base); +- ++ ret = snprintf(jit_path, PATH_MAX, "%s/.debug/", base); ++ if (ret >= PATH_MAX) { ++ warnx("jvmti: cannot generate jit cache dir because %s/.debug/" ++ " is too long, please check the cwd, JITDUMPDIR, and" ++ " HOME variables", base); ++ return -1; ++ } + ret = mkdir(jit_path, 0755); + if (ret == -1) { + if (errno != EEXIST) { +@@ -154,20 +159,32 @@ debug_cache_init(void) + } + } + +- snprintf(jit_path, PATH_MAX - 1, "%s/.debug/jit", base); ++ ret = snprintf(jit_path, PATH_MAX, "%s/.debug/jit", base); ++ if (ret >= PATH_MAX) { ++ warnx("jvmti: cannot generate jit cache dir because" ++ " %s/.debug/jit is too long, please check the cwd," ++ " JITDUMPDIR, and HOME variables", base); ++ return -1; ++ } + ret = mkdir(jit_path, 0755); + if (ret == -1) { + if (errno != EEXIST) { +- warn("cannot create jit cache dir %s", jit_path); ++ warn("jvmti: cannot create jit cache dir %s", jit_path); + return -1; + } + } + +- snprintf(jit_path, PATH_MAX - 1, "%s/.debug/jit/%s.XXXXXXXX", base, str); +- ++ ret = snprintf(jit_path, PATH_MAX, "%s/.debug/jit/%s.XXXXXXXX", base, str); ++ if (ret >= PATH_MAX) { ++ warnx("jvmti: cannot generate jit cache dir because" ++ " %s/.debug/jit/%s.XXXXXXXX is too long, please check" ++ " the cwd, JITDUMPDIR, and HOME variables", ++ base, str); ++ return -1; ++ } + p = mkdtemp(jit_path); + if (p != jit_path) { +- warn("cannot create jit cache dir %s", jit_path); ++ warn("jvmti: cannot create jit cache dir %s", jit_path); + return -1; + } + +@@ -228,7 +245,7 @@ void *jvmti_open(void) + { + char dump_path[PATH_MAX]; + struct jitheader header; +- int fd; ++ int fd, ret; + FILE *fp; + + init_arch_timestamp(); +@@ -245,12 +262,22 @@ void *jvmti_open(void) + + memset(&header, 0, sizeof(header)); + +- debug_cache_init(); ++ /* ++ * jitdump file dir ++ */ ++ if (create_jit_cache_dir() < 0) ++ return NULL; + + /* + * jitdump file name + */ +- scnprintf(dump_path, PATH_MAX, "%s/jit-%i.dump", jit_path, getpid()); ++ ret = snprintf(dump_path, PATH_MAX, "%s/jit-%i.dump", jit_path, getpid()); ++ if (ret >= PATH_MAX) { ++ warnx("jvmti: cannot generate jitdump file full path because" ++ " %s/jit-%i.dump is too long, please check the cwd," ++ " JITDUMPDIR, and HOME variables", jit_path, getpid()); ++ return NULL; ++ } + + fd = open(dump_path, O_CREAT|O_TRUNC|O_RDWR, 0666); + if (fd == -1) +diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c +index fcc8984bc329..acad8ba06d77 100644 +--- a/tools/perf/tests/code-reading.c ++++ b/tools/perf/tests/code-reading.c +@@ -527,6 +527,7 @@ static int do_test_code_reading(bool try_kcore) + pid = getpid(); + + machine = machine__new_host(); ++ machine->env = &perf_env; + + ret = machine__create_kernel_maps(machine); + if (ret < 0) { +diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c +index 6276b340f893..b492cb974aa0 100644 +--- a/tools/perf/util/env.c ++++ b/tools/perf/util/env.c +@@ -3,6 +3,7 @@ + #include "env.h" + #include "util.h" + #include <errno.h> ++#include <sys/utsname.h> + + struct perf_env perf_env; + +@@ -87,6 +88,37 @@ int perf_env__read_cpu_topology_map(struct perf_env *env) + return 0; + } + ++static int perf_env__read_arch(struct perf_env *env) ++{ ++ struct utsname uts; ++ ++ if (env->arch) ++ return 0; ++ ++ if (!uname(&uts)) ++ env->arch = strdup(uts.machine); ++ ++ return env->arch ? 0 : -ENOMEM; ++} ++ ++static int perf_env__read_nr_cpus_avail(struct perf_env *env) ++{ ++ if (env->nr_cpus_avail == 0) ++ env->nr_cpus_avail = cpu__max_present_cpu(); ++ ++ return env->nr_cpus_avail ? 0 : -ENOENT; ++} ++ ++const char *perf_env__raw_arch(struct perf_env *env) ++{ ++ return env && !perf_env__read_arch(env) ? env->arch : "unknown"; ++} ++ ++int perf_env__nr_cpus_avail(struct perf_env *env) ++{ ++ return env && !perf_env__read_nr_cpus_avail(env) ? env->nr_cpus_avail : 0; ++} ++ + void cpu_cache_level__free(struct cpu_cache_level *cache) + { + free(cache->type); +diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h +index 1eb35b190b34..9aace8452751 100644 +--- a/tools/perf/util/env.h ++++ b/tools/perf/util/env.h +@@ -65,4 +65,8 @@ int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]); + int perf_env__read_cpu_topology_map(struct perf_env *env); + + void cpu_cache_level__free(struct cpu_cache_level *cache); ++ ++const char *perf_env__raw_arch(struct perf_env *env); ++int perf_env__nr_cpus_avail(struct perf_env *env); ++ + #endif /* __PERF_ENV_H */ +diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c +index bd5d5b5e2218..968fd0454e6b 100644 +--- a/tools/perf/util/machine.c ++++ b/tools/perf/util/machine.c +@@ -818,6 +818,102 @@ static int machine__get_running_kernel_start(struct machine *machine, + return 0; + } + ++/* Kernel-space maps for symbols that are outside the main kernel map and module maps */ ++struct extra_kernel_map { ++ u64 start; ++ u64 end; ++ u64 pgoff; ++}; ++ ++static int machine__create_extra_kernel_map(struct machine *machine, ++ struct dso *kernel, ++ struct extra_kernel_map *xm) ++{ ++ struct kmap *kmap; ++ struct map *map; ++ ++ map = map__new2(xm->start, kernel, MAP__FUNCTION); ++ if (!map) ++ return -1; ++ ++ map->end = xm->end; ++ map->pgoff = xm->pgoff; ++ ++ kmap = map__kmap(map); ++ ++ kmap->kmaps = &machine->kmaps; ++ ++ map_groups__insert(&machine->kmaps, map); ++ ++ pr_debug2("Added extra kernel map %" PRIx64 "-%" PRIx64 "\n", ++ map->start, map->end); ++ ++ map__put(map); ++ ++ return 0; ++} ++ ++static u64 find_entry_trampoline(struct dso *dso) ++{ ++ /* Duplicates are removed so lookup all aliases */ ++ const char *syms[] = { ++ "_entry_trampoline", ++ "__entry_trampoline_start", ++ "entry_SYSCALL_64_trampoline", ++ }; ++ struct symbol *sym = dso__first_symbol(dso, MAP__FUNCTION); ++ unsigned int i; ++ ++ for (; sym; sym = dso__next_symbol(sym)) { ++ if (sym->binding != STB_GLOBAL) ++ continue; ++ for (i = 0; i < ARRAY_SIZE(syms); i++) { ++ if (!strcmp(sym->name, syms[i])) ++ return sym->start; ++ } ++ } ++ ++ return 0; ++} ++ ++/* ++ * These values can be used for kernels that do not have symbols for the entry ++ * trampolines in kallsyms. ++ */ ++#define X86_64_CPU_ENTRY_AREA_PER_CPU 0xfffffe0000000000ULL ++#define X86_64_CPU_ENTRY_AREA_SIZE 0x2c000 ++#define X86_64_ENTRY_TRAMPOLINE 0x6000 ++ ++/* Map x86_64 PTI entry trampolines */ ++int machine__map_x86_64_entry_trampolines(struct machine *machine, ++ struct dso *kernel) ++{ ++ u64 pgoff = find_entry_trampoline(kernel); ++ int nr_cpus_avail, cpu; ++ ++ if (!pgoff) ++ return 0; ++ ++ nr_cpus_avail = machine__nr_cpus_avail(machine); ++ ++ /* Add a 1 page map for each CPU's entry trampoline */ ++ for (cpu = 0; cpu < nr_cpus_avail; cpu++) { ++ u64 va = X86_64_CPU_ENTRY_AREA_PER_CPU + ++ cpu * X86_64_CPU_ENTRY_AREA_SIZE + ++ X86_64_ENTRY_TRAMPOLINE; ++ struct extra_kernel_map xm = { ++ .start = va, ++ .end = va + page_size, ++ .pgoff = pgoff, ++ }; ++ ++ if (machine__create_extra_kernel_map(machine, kernel, &xm) < 0) ++ return -1; ++ } ++ ++ return 0; ++} ++ + int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel) + { + int type; +@@ -2238,6 +2334,20 @@ int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid, + return 0; + } + ++/* ++ * Compares the raw arch string. N.B. see instead perf_env__arch() if a ++ * normalized arch is needed. ++ */ ++bool machine__is(struct machine *machine, const char *arch) ++{ ++ return machine && !strcmp(perf_env__raw_arch(machine->env), arch); ++} ++ ++int machine__nr_cpus_avail(struct machine *machine) ++{ ++ return machine ? perf_env__nr_cpus_avail(machine->env) : 0; ++} ++ + int machine__get_kernel_start(struct machine *machine) + { + struct map *map = machine__kernel_map(machine); +@@ -2254,7 +2364,12 @@ int machine__get_kernel_start(struct machine *machine) + machine->kernel_start = 1ULL << 63; + if (map) { + err = map__load(map); +- if (!err) ++ /* ++ * On x86_64, PTI entry trampolines are less than the ++ * start of kernel text, but still above 2^63. So leave ++ * kernel_start = 1ULL << 63 for x86_64. ++ */ ++ if (!err && !machine__is(machine, "x86_64")) + machine->kernel_start = map->start; + } + return err; +diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h +index d551aa80a59b..13041b036a5b 100644 +--- a/tools/perf/util/machine.h ++++ b/tools/perf/util/machine.h +@@ -169,6 +169,9 @@ static inline bool machine__is_host(struct machine *machine) + return machine ? machine->pid == HOST_KERNEL_ID : false; + } + ++bool machine__is(struct machine *machine, const char *arch); ++int machine__nr_cpus_avail(struct machine *machine); ++ + struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); + struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); + +@@ -263,4 +266,7 @@ int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid, + */ + char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp); + ++int machine__map_x86_64_entry_trampolines(struct machine *machine, ++ struct dso *kernel); ++ + #endif /* __PERF_MACHINE_H */ +diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c +index 2de770511e70..8ad4296de98b 100644 +--- a/tools/perf/util/symbol-elf.c ++++ b/tools/perf/util/symbol-elf.c +@@ -338,7 +338,17 @@ int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss, struct map * + plt_entry_size = 16; + break; + +- default: /* FIXME: s390/alpha/mips/parisc/poperpc/sh/sparc/xtensa need to be checked */ ++ case EM_SPARC: ++ plt_header_size = 48; ++ plt_entry_size = 12; ++ break; ++ ++ case EM_SPARCV9: ++ plt_header_size = 128; ++ plt_entry_size = 32; ++ break; ++ ++ default: /* FIXME: s390/alpha/mips/parisc/poperpc/sh/xtensa need to be checked */ + plt_header_size = shdr_plt.sh_entsize; + plt_entry_size = shdr_plt.sh_entsize; + break; +diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c +index ec40e47aa198..3936f69f385c 100644 +--- a/tools/perf/util/symbol.c ++++ b/tools/perf/util/symbol.c +@@ -1513,20 +1513,22 @@ int dso__load(struct dso *dso, struct map *map) + goto out; + } + ++ if (map->groups && map->groups->machine) ++ machine = map->groups->machine; ++ else ++ machine = NULL; ++ + if (dso->kernel) { + if (dso->kernel == DSO_TYPE_KERNEL) + ret = dso__load_kernel_sym(dso, map); + else if (dso->kernel == DSO_TYPE_GUEST_KERNEL) + ret = dso__load_guest_kernel_sym(dso, map); + ++ if (machine__is(machine, "x86_64")) ++ machine__map_x86_64_entry_trampolines(machine, dso); + goto out; + } + +- if (map->groups && map->groups->machine) +- machine = map->groups->machine; +- else +- machine = NULL; +- + dso->adjust_symbols = 0; + + if (perfmap) { |