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Message-Id: <16639372274113@kroah.com>
Date: Fri, 23 Sep 2022 14:47:07 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.10.145
diff --git a/Makefile b/Makefile
index 21aa9b04164d..76c85e40beea 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
-SUBLEVEL = 144
+SUBLEVEL = 145
EXTRAVERSION =
NAME = Dare mighty things
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index 6501a842c41a..191bcaf56513 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -127,6 +127,16 @@ static void octeon_irq_free_cd(struct irq_domain *d, unsigned int irq)
static int octeon_irq_force_ciu_mapping(struct irq_domain *domain,
int irq, int line, int bit)
{
+ struct device_node *of_node;
+ int ret;
+
+ of_node = irq_domain_get_of_node(domain);
+ if (!of_node)
+ return -EINVAL;
+ ret = irq_alloc_desc_at(irq, of_node_to_nid(of_node));
+ if (ret < 0)
+ return ret;
+
return irq_domain_associate(domain, irq, line << 6 | bit);
}
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 2d89f79f460c..07a4d4badd69 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -315,6 +315,16 @@ config IRQSTACKS
for handling hard and soft interrupts. This can help avoid
overflowing the process kernel stacks.
+config TLB_PTLOCK
+ bool "Use page table locks in TLB fault handler"
+ depends on SMP
+ default n
+ help
+ Select this option to enable page table locking in the TLB
+ fault handler. This ensures that page table entries are
+ updated consistently on SMP machines at the expense of some
+ loss in performance.
+
config HOTPLUG_CPU
bool
default y if SMP
diff --git a/arch/parisc/include/asm/mmu_context.h b/arch/parisc/include/asm/mmu_context.h
index cb5f2f730421..aba69ff79e8c 100644
--- a/arch/parisc/include/asm/mmu_context.h
+++ b/arch/parisc/include/asm/mmu_context.h
@@ -5,6 +5,7 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/atomic.h>
+#include <linux/spinlock.h>
#include <asm-generic/mm_hooks.h>
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
@@ -52,6 +53,12 @@ static inline void switch_mm_irqs_off(struct mm_struct *prev,
struct mm_struct *next, struct task_struct *tsk)
{
if (prev != next) {
+#ifdef CONFIG_TLB_PTLOCK
+ /* put physical address of page_table_lock in cr28 (tr4)
+ for TLB faults */
+ spinlock_t *pgd_lock = &next->page_table_lock;
+ mtctl(__pa(__ldcw_align(&pgd_lock->rlock.raw_lock)), 28);
+#endif
mtctl(__pa(next->pgd), 25);
load_context(next->context);
}
diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h
index 8802ce651a3a..0561568f7b48 100644
--- a/arch/parisc/include/asm/page.h
+++ b/arch/parisc/include/asm/page.h
@@ -112,7 +112,7 @@ extern int npmem_ranges;
#else
#define BITS_PER_PTE_ENTRY 2
#define BITS_PER_PMD_ENTRY 2
-#define BITS_PER_PGD_ENTRY BITS_PER_PMD_ENTRY
+#define BITS_PER_PGD_ENTRY 2
#endif
#define PGD_ENTRY_SIZE (1UL << BITS_PER_PGD_ENTRY)
#define PMD_ENTRY_SIZE (1UL << BITS_PER_PMD_ENTRY)
diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
index a6482b2ce0ea..dda557085311 100644
--- a/arch/parisc/include/asm/pgalloc.h
+++ b/arch/parisc/include/asm/pgalloc.h
@@ -15,47 +15,23 @@
#define __HAVE_ARCH_PGD_FREE
#include <asm-generic/pgalloc.h>
-/* Allocate the top level pgd (page directory)
- *
- * Here (for 64 bit kernels) we implement a Hybrid L2/L3 scheme: we
- * allocate the first pmd adjacent to the pgd. This means that we can
- * subtract a constant offset to get to it. The pmd and pgd sizes are
- * arranged so that a single pmd covers 4GB (giving a full 64-bit
- * process access to 8TB) so our lookups are effectively L2 for the
- * first 4GB of the kernel (i.e. for all ILP32 processes and all the
- * kernel for machines with under 4GB of memory) */
+/* Allocate the top level pgd (page directory) */
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
- pgd_t *pgd = (pgd_t *)__get_free_pages(GFP_KERNEL,
- PGD_ALLOC_ORDER);
- pgd_t *actual_pgd = pgd;
+ pgd_t *pgd;
- if (likely(pgd != NULL)) {
- memset(pgd, 0, PAGE_SIZE<<PGD_ALLOC_ORDER);
-#if CONFIG_PGTABLE_LEVELS == 3
- actual_pgd += PTRS_PER_PGD;
- /* Populate first pmd with allocated memory. We mark it
- * with PxD_FLAG_ATTACHED as a signal to the system that this
- * pmd entry may not be cleared. */
- set_pgd(actual_pgd, __pgd((PxD_FLAG_PRESENT |
- PxD_FLAG_VALID |
- PxD_FLAG_ATTACHED)
- + (__u32)(__pa((unsigned long)pgd) >> PxD_VALUE_SHIFT)));
- /* The first pmd entry also is marked with PxD_FLAG_ATTACHED as
- * a signal that this pmd may not be freed */
- set_pgd(pgd, __pgd(PxD_FLAG_ATTACHED));
-#endif
- }
- spin_lock_init(pgd_spinlock(actual_pgd));
- return actual_pgd;
+ pgd = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER);
+ if (unlikely(pgd == NULL))
+ return NULL;
+
+ memset(pgd, 0, PAGE_SIZE << PGD_ORDER);
+
+ return pgd;
}
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
-#if CONFIG_PGTABLE_LEVELS == 3
- pgd -= PTRS_PER_PGD;
-#endif
- free_pages((unsigned long)pgd, PGD_ALLOC_ORDER);
+ free_pages((unsigned long)pgd, PGD_ORDER);
}
#if CONFIG_PGTABLE_LEVELS == 3
@@ -70,41 +46,25 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
- return (pmd_t *)__get_free_pages(GFP_PGTABLE_KERNEL, PMD_ORDER);
+ pmd_t *pmd;
+
+ pmd = (pmd_t *)__get_free_pages(GFP_PGTABLE_KERNEL, PMD_ORDER);
+ if (likely(pmd))
+ memset ((void *)pmd, 0, PAGE_SIZE << PMD_ORDER);
+ return pmd;
}
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
- if (pmd_flag(*pmd) & PxD_FLAG_ATTACHED) {
- /*
- * This is the permanent pmd attached to the pgd;
- * cannot free it.
- * Increment the counter to compensate for the decrement
- * done by generic mm code.
- */
- mm_inc_nr_pmds(mm);
- return;
- }
free_pages((unsigned long)pmd, PMD_ORDER);
}
-
#endif
static inline void
pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
{
-#if CONFIG_PGTABLE_LEVELS == 3
- /* preserve the gateway marker if this is the beginning of
- * the permanent pmd */
- if(pmd_flag(*pmd) & PxD_FLAG_ATTACHED)
- set_pmd(pmd, __pmd((PxD_FLAG_PRESENT |
- PxD_FLAG_VALID |
- PxD_FLAG_ATTACHED)
- + (__u32)(__pa((unsigned long)pte) >> PxD_VALUE_SHIFT)));
- else
-#endif
- set_pmd(pmd, __pmd((PxD_FLAG_PRESENT | PxD_FLAG_VALID)
- + (__u32)(__pa((unsigned long)pte) >> PxD_VALUE_SHIFT)));
+ set_pmd(pmd, __pmd((PxD_FLAG_PRESENT | PxD_FLAG_VALID)
+ + (__u32)(__pa((unsigned long)pte) >> PxD_VALUE_SHIFT)));
}
#define pmd_populate(mm, pmd, pte_page) \
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 75cf84070fc9..8964798b8274 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -23,8 +23,6 @@
#include <asm/processor.h>
#include <asm/cache.h>
-static inline spinlock_t *pgd_spinlock(pgd_t *);
-
/*
* kern_addr_valid(ADDR) tests if ADDR is pointing to valid kernel
* memory. For the return value to be meaningful, ADDR must be >=
@@ -42,12 +40,8 @@ static inline spinlock_t *pgd_spinlock(pgd_t *);
/* This is for the serialization of PxTLB broadcasts. At least on the N class
* systems, only one PxTLB inter processor broadcast can be active at any one
- * time on the Merced bus.
-
- * PTE updates are protected by locks in the PMD.
- */
+ * time on the Merced bus. */
extern spinlock_t pa_tlb_flush_lock;
-extern spinlock_t pa_swapper_pg_lock;
#if defined(CONFIG_64BIT) && defined(CONFIG_SMP)
extern int pa_serialize_tlb_flushes;
#else
@@ -82,22 +76,25 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
purge_tlb_end(flags);
}
+extern void __update_cache(pte_t pte);
+
/* Certain architectures need to do special things when PTEs
* within a page table are directly modified. Thus, the following
* hook is made available.
*/
-#define set_pte(pteptr, pteval) \
- do{ \
- *(pteptr) = (pteval); \
- } while(0)
-
-#define set_pte_at(mm, addr, ptep, pteval) \
- do { \
- unsigned long flags; \
- spin_lock_irqsave(pgd_spinlock((mm)->pgd), flags);\
- set_pte(ptep, pteval); \
- purge_tlb_entries(mm, addr); \
- spin_unlock_irqrestore(pgd_spinlock((mm)->pgd), flags);\
+#define set_pte(pteptr, pteval) \
+ do { \
+ *(pteptr) = (pteval); \
+ mb(); \
+ } while(0)
+
+#define set_pte_at(mm, addr, pteptr, pteval) \
+ do { \
+ if (pte_present(pteval) && \
+ pte_user(pteval)) \
+ __update_cache(pteval); \
+ *(pteptr) = (pteval); \
+ purge_tlb_entries(mm, addr); \
} while (0)
#endif /* !__ASSEMBLY__ */
@@ -120,12 +117,10 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
#define KERNEL_INITIAL_SIZE (1 << KERNEL_INITIAL_ORDER)
#if CONFIG_PGTABLE_LEVELS == 3
-#define PGD_ORDER 1 /* Number of pages per pgd */
-#define PMD_ORDER 1 /* Number of pages per pmd */
-#define PGD_ALLOC_ORDER (2 + 1) /* first pgd contains pmd */
+#define PMD_ORDER 1
+#define PGD_ORDER 0
#else
-#define PGD_ORDER 1 /* Number of pages per pgd */
-#define PGD_ALLOC_ORDER (PGD_ORDER + 1)
+#define PGD_ORDER 1
#endif
/* Definitions for 3rd level (we use PLD here for Page Lower directory
@@ -240,11 +235,9 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
* able to effectively address 40/42/44-bits of physical address space
* depending on 4k/16k/64k PAGE_SIZE */
#define _PxD_PRESENT_BIT 31
-#define _PxD_ATTACHED_BIT 30
-#define _PxD_VALID_BIT 29
+#define _PxD_VALID_BIT 30
#define PxD_FLAG_PRESENT (1 << xlate_pabit(_PxD_PRESENT_BIT))
-#define PxD_FLAG_ATTACHED (1 << xlate_pabit(_PxD_ATTACHED_BIT))
#define PxD_FLAG_VALID (1 << xlate_pabit(_PxD_VALID_BIT))
#define PxD_FLAG_MASK (0xf)
#define PxD_FLAG_SHIFT (4)
@@ -317,6 +310,7 @@ extern unsigned long *empty_zero_page;
#define pte_none(x) (pte_val(x) == 0)
#define pte_present(x) (pte_val(x) & _PAGE_PRESENT)
+#define pte_user(x) (pte_val(x) & _PAGE_USER)
#define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0))
#define pmd_flag(x) (pmd_val(x) & PxD_FLAG_MASK)
@@ -326,23 +320,10 @@ extern unsigned long *empty_zero_page;
#define pgd_flag(x) (pgd_val(x) & PxD_FLAG_MASK)
#define pgd_address(x) ((unsigned long)(pgd_val(x) &~ PxD_FLAG_MASK) << PxD_VALUE_SHIFT)
-#if CONFIG_PGTABLE_LEVELS == 3
-/* The first entry of the permanent pmd is not there if it contains
- * the gateway marker */
-#define pmd_none(x) (!pmd_val(x) || pmd_flag(x) == PxD_FLAG_ATTACHED)
-#else
#define pmd_none(x) (!pmd_val(x))
-#endif
#define pmd_bad(x) (!(pmd_flag(x) & PxD_FLAG_VALID))
#define pmd_present(x) (pmd_flag(x) & PxD_FLAG_PRESENT)
static inline void pmd_clear(pmd_t *pmd) {
-#if CONFIG_PGTABLE_LEVELS == 3
- if (pmd_flag(*pmd) & PxD_FLAG_ATTACHED)
- /* This is the entry pointing to the permanent pmd
- * attached to the pgd; cannot clear it */
- set_pmd(pmd, __pmd(PxD_FLAG_ATTACHED));
- else
-#endif
set_pmd(pmd, __pmd(0));
}
@@ -358,12 +339,6 @@ static inline void pmd_clear(pmd_t *pmd) {
#define pud_bad(x) (!(pud_flag(x) & PxD_FLAG_VALID))
#define pud_present(x) (pud_flag(x) & PxD_FLAG_PRESENT)
static inline void pud_clear(pud_t *pud) {
-#if CONFIG_PGTABLE_LEVELS == 3
- if(pud_flag(*pud) & PxD_FLAG_ATTACHED)
- /* This is the permanent pmd attached to the pud; cannot
- * free it */
- return;
-#endif
set_pud(pud, __pud(0));
}
#endif
@@ -443,7 +418,7 @@ extern void paging_init (void);
#define PG_dcache_dirty PG_arch_1
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
+#define update_mmu_cache(vms,addr,ptep) __update_cache(*ptep)
/* Encode and de-code a swap entry */
@@ -456,32 +431,18 @@ extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
-
-static inline spinlock_t *pgd_spinlock(pgd_t *pgd)
-{
- if (unlikely(pgd == swapper_pg_dir))
- return &pa_swapper_pg_lock;
- return (spinlock_t *)((char *)pgd + (PAGE_SIZE << (PGD_ALLOC_ORDER - 1)));
-}
-
-
static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
{
pte_t pte;
- unsigned long flags;
if (!pte_young(*ptep))
return 0;
- spin_lock_irqsave(pgd_spinlock(vma->vm_mm->pgd), flags);
pte = *ptep;
if (!pte_young(pte)) {
- spin_unlock_irqrestore(pgd_spinlock(vma->vm_mm->pgd), flags);
return 0;
}
- set_pte(ptep, pte_mkold(pte));
- purge_tlb_entries(vma->vm_mm, addr);
- spin_unlock_irqrestore(pgd_spinlock(vma->vm_mm->pgd), flags);
+ set_pte_at(vma->vm_mm, addr, ptep, pte_mkold(pte));
return 1;
}
@@ -489,24 +450,16 @@ struct mm_struct;
static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
pte_t old_pte;
- unsigned long flags;
- spin_lock_irqsave(pgd_spinlock(mm->pgd), flags);
old_pte = *ptep;
- set_pte(ptep, __pte(0));
- purge_tlb_entries(mm, addr);
- spin_unlock_irqrestore(pgd_spinlock(mm->pgd), flags);
+ set_pte_at(mm, addr, ptep, __pte(0));
return old_pte;
}
static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
- unsigned long flags;
- spin_lock_irqsave(pgd_spinlock(mm->pgd), flags);
- set_pte(ptep, pte_wrprotect(*ptep));
- purge_tlb_entries(mm, addr);
- spin_unlock_irqrestore(pgd_spinlock(mm->pgd), flags);
+ set_pte_at(mm, addr, ptep, pte_wrprotect(*ptep));
}
#define pte_same(A,B) (pte_val(A) == pte_val(B))
diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c
index 305768a40773..cd2cc1b1648c 100644
--- a/arch/parisc/kernel/asm-offsets.c
+++ b/arch/parisc/kernel/asm-offsets.c
@@ -268,7 +268,6 @@ int main(void)
DEFINE(ASM_BITS_PER_PGD, BITS_PER_PGD);
DEFINE(ASM_BITS_PER_PMD, BITS_PER_PMD);
DEFINE(ASM_BITS_PER_PTE, BITS_PER_PTE);
- DEFINE(ASM_PGD_PMD_OFFSET, -(PAGE_SIZE << PGD_ORDER));
DEFINE(ASM_PMD_ENTRY, ((PAGE_OFFSET & PMD_MASK) >> PMD_SHIFT));
DEFINE(ASM_PGD_ENTRY, PAGE_OFFSET >> PGDIR_SHIFT);
DEFINE(ASM_PGD_ENTRY_SIZE, PGD_ENTRY_SIZE);
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 86a1a63563fd..c81ab0cb8925 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -83,9 +83,9 @@ EXPORT_SYMBOL(flush_cache_all_local);
#define pfn_va(pfn) __va(PFN_PHYS(pfn))
void
-update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
+__update_cache(pte_t pte)
{
- unsigned long pfn = pte_pfn(*ptep);
+ unsigned long pfn = pte_pfn(pte);
struct page *page;
/* We don't have pte special. As a result, we can be called with
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 3da39140babc..05bed27eef85 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -35,10 +35,9 @@
.level 2.0
#endif
- .import pa_tlb_lock,data
- .macro load_pa_tlb_lock reg
- mfctl %cr25,\reg
- addil L%(PAGE_SIZE << (PGD_ALLOC_ORDER - 1)),\reg
+ /* Get aligned page_table_lock address for this mm from cr28/tr4 */
+ .macro get_ptl reg
+ mfctl %cr28,\reg
.endm
/* space_to_prot macro creates a prot id from a space id */
@@ -407,7 +406,9 @@
# endif
#endif
dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */
+#if CONFIG_PGTABLE_LEVELS < 3
copy %r0,\pte
+#endif
ldw,s \index(\pmd),\pmd
bb,>=,n \pmd,_PxD_PRESENT_BIT,\fault
dep %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */
@@ -417,38 +418,23 @@
shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd /* pmd is now pte */
.endm
- /* Look up PTE in a 3-Level scheme.
- *
- * Here we implement a Hybrid L2/L3 scheme: we allocate the
- * first pmd adjacent to the pgd. This means that we can
- * subtract a constant offset to get to it. The pmd and pgd
- * sizes are arranged so that a single pmd covers 4GB (giving
- * a full LP64 process access to 8TB) so our lookups are
- * effectively L2 for the first 4GB of the kernel (i.e. for
- * all ILP32 processes and all the kernel for machines with
- * under 4GB of memory) */
+ /* Look up PTE in a 3-Level scheme. */
.macro L3_ptep pgd,pte,index,va,fault
-#if CONFIG_PGTABLE_LEVELS == 3 /* we might have a 2-Level scheme, e.g. with 16kb page size */
+#if CONFIG_PGTABLE_LEVELS == 3
+ copy %r0,\pte
extrd,u \va,63-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index
- extrd,u,*= \va,63-ASM_PGDIR_SHIFT,64-ASM_PGDIR_SHIFT,%r0
ldw,s \index(\pgd),\pgd
- extrd,u,*= \va,63-ASM_PGDIR_SHIFT,64-ASM_PGDIR_SHIFT,%r0
bb,>=,n \pgd,_PxD_PRESENT_BIT,\fault
- extrd,u,*= \va,63-ASM_PGDIR_SHIFT,64-ASM_PGDIR_SHIFT,%r0
- shld \pgd,PxD_VALUE_SHIFT,\index
- extrd,u,*= \va,63-ASM_PGDIR_SHIFT,64-ASM_PGDIR_SHIFT,%r0
- copy \index,\pgd
- extrd,u,*<> \va,63-ASM_PGDIR_SHIFT,64-ASM_PGDIR_SHIFT,%r0
- ldo ASM_PGD_PMD_OFFSET(\pgd),\pgd
+ shld \pgd,PxD_VALUE_SHIFT,\pgd
#endif
L2_ptep \pgd,\pte,\index,\va,\fault
.endm
- /* Acquire pa_tlb_lock lock and check page is present. */
- .macro tlb_lock spc,ptp,pte,tmp,tmp1,fault
-#ifdef CONFIG_SMP
+ /* Acquire page_table_lock and check page is present. */
+ .macro ptl_lock spc,ptp,pte,tmp,tmp1,fault
+#ifdef CONFIG_TLB_PTLOCK
98: cmpib,COND(=),n 0,\spc,2f
- load_pa_tlb_lock \tmp
+ get_ptl \tmp
1: LDCW 0(\tmp),\tmp1
cmpib,COND(=) 0,\tmp1,1b
nop
@@ -463,26 +449,26 @@
3:
.endm
- /* Release pa_tlb_lock lock without reloading lock address.
+ /* Release page_table_lock without reloading lock address.
Note that the values in the register spc are limited to
NR_SPACE_IDS (262144). Thus, the stw instruction always
stores a nonzero value even when register spc is 64 bits.
We use an ordered store to ensure all prior accesses are
performed prior to releasing the lock. */
- .macro tlb_unlock0 spc,tmp
-#ifdef CONFIG_SMP
+ .macro ptl_unlock0 spc,tmp
+#ifdef CONFIG_TLB_PTLOCK
98: or,COND(=) %r0,\spc,%r0
stw,ma \spc,0(\tmp)
99: ALTERNATIVE(98b, 99b, ALT_COND_NO_SMP, INSN_NOP)
#endif
.endm
- /* Release pa_tlb_lock lock. */
- .macro tlb_unlock1 spc,tmp
-#ifdef CONFIG_SMP
-98: load_pa_tlb_lock \tmp
+ /* Release page_table_lock. */
+ .macro ptl_unlock1 spc,tmp
+#ifdef CONFIG_TLB_PTLOCK
+98: get_ptl \tmp
+ ptl_unlock0 \spc,\tmp
99: ALTERNATIVE(98b, 99b, ALT_COND_NO_SMP, INSN_NOP)
- tlb_unlock0 \spc,\tmp
#endif
.endm
@@ -1165,14 +1151,14 @@ dtlb_miss_20w:
L3_ptep ptp,pte,t0,va,dtlb_check_alias_20w
- tlb_lock spc,ptp,pte,t0,t1,dtlb_check_alias_20w
+ ptl_lock spc,ptp,pte,t0,t1,dtlb_check_alias_20w
update_accessed ptp,pte,t0,t1
make_insert_tlb spc,pte,prot,t1
idtlbt pte,prot
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1191,14 +1177,14 @@ nadtlb_miss_20w:
L3_ptep ptp,pte,t0,va,nadtlb_check_alias_20w
- tlb_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_20w
+ ptl_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_20w
update_accessed ptp,pte,t0,t1
make_insert_tlb spc,pte,prot,t1
idtlbt pte,prot
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1219,7 +1205,7 @@ dtlb_miss_11:
L2_ptep ptp,pte,t0,va,dtlb_check_alias_11
- tlb_lock spc,ptp,pte,t0,t1,dtlb_check_alias_11
+ ptl_lock spc,ptp,pte,t0,t1,dtlb_check_alias_11
update_accessed ptp,pte,t0,t1
make_insert_tlb_11 spc,pte,prot
@@ -1232,7 +1218,7 @@ dtlb_miss_11:
mtsp t1, %sr1 /* Restore sr1 */
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1252,7 +1238,7 @@ nadtlb_miss_11:
L2_ptep ptp,pte,t0,va,nadtlb_check_alias_11
- tlb_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_11
+ ptl_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_11
update_accessed ptp,pte,t0,t1
make_insert_tlb_11 spc,pte,prot
@@ -1265,7 +1251,7 @@ nadtlb_miss_11:
mtsp t1, %sr1 /* Restore sr1 */
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1285,7 +1271,7 @@ dtlb_miss_20:
L2_ptep ptp,pte,t0,va,dtlb_check_alias_20
- tlb_lock spc,ptp,pte,t0,t1,dtlb_check_alias_20
+ ptl_lock spc,ptp,pte,t0,t1,dtlb_check_alias_20
update_accessed ptp,pte,t0,t1
make_insert_tlb spc,pte,prot,t1
@@ -1294,7 +1280,7 @@ dtlb_miss_20:
idtlbt pte,prot
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1313,7 +1299,7 @@ nadtlb_miss_20:
L2_ptep ptp,pte,t0,va,nadtlb_check_alias_20
- tlb_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_20
+ ptl_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_20
update_accessed ptp,pte,t0,t1
make_insert_tlb spc,pte,prot,t1
@@ -1322,7 +1308,7 @@ nadtlb_miss_20:
idtlbt pte,prot
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1422,14 +1408,14 @@ itlb_miss_20w:
L3_ptep ptp,pte,t0,va,itlb_fault
- tlb_lock spc,ptp,pte,t0,t1,itlb_fault
+ ptl_lock spc,ptp,pte,t0,t1,itlb_fault
update_accessed ptp,pte,t0,t1
make_insert_tlb spc,pte,prot,t1
iitlbt pte,prot
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1446,14 +1432,14 @@ naitlb_miss_20w:
L3_ptep ptp,pte,t0,va,naitlb_check_alias_20w
- tlb_lock spc,ptp,pte,t0,t1,naitlb_check_alias_20w
+ ptl_lock spc,ptp,pte,t0,t1,naitlb_check_alias_20w
update_accessed ptp,pte,t0,t1
make_insert_tlb spc,pte,prot,t1
iitlbt pte,prot
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1474,7 +1460,7 @@ itlb_miss_11:
L2_ptep ptp,pte,t0,va,itlb_fault
- tlb_lock spc,ptp,pte,t0,t1,itlb_fault
+ ptl_lock spc,ptp,pte,t0,t1,itlb_fault
update_accessed ptp,pte,t0,t1
make_insert_tlb_11 spc,pte,prot
@@ -1487,7 +1473,7 @@ itlb_miss_11:
mtsp t1, %sr1 /* Restore sr1 */
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1498,7 +1484,7 @@ naitlb_miss_11:
L2_ptep ptp,pte,t0,va,naitlb_check_alias_11
- tlb_lock spc,ptp,pte,t0,t1,naitlb_check_alias_11
+ ptl_lock spc,ptp,pte,t0,t1,naitlb_check_alias_11
update_accessed ptp,pte,t0,t1
make_insert_tlb_11 spc,pte,prot
@@ -1511,7 +1497,7 @@ naitlb_miss_11:
mtsp t1, %sr1 /* Restore sr1 */
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1532,7 +1518,7 @@ itlb_miss_20:
L2_ptep ptp,pte,t0,va,itlb_fault
- tlb_lock spc,ptp,pte,t0,t1,itlb_fault
+ ptl_lock spc,ptp,pte,t0,t1,itlb_fault
update_accessed ptp,pte,t0,t1
make_insert_tlb spc,pte,prot,t1
@@ -1541,7 +1527,7 @@ itlb_miss_20:
iitlbt pte,prot
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1552,7 +1538,7 @@ naitlb_miss_20:
L2_ptep ptp,pte,t0,va,naitlb_check_alias_20
- tlb_lock spc,ptp,pte,t0,t1,naitlb_check_alias_20
+ ptl_lock spc,ptp,pte,t0,t1,naitlb_check_alias_20
update_accessed ptp,pte,t0,t1
make_insert_tlb spc,pte,prot,t1
@@ -1561,7 +1547,7 @@ naitlb_miss_20:
iitlbt pte,prot
- tlb_unlock1 spc,t0
+ ptl_unlock1 spc,t0
rfir
nop
@@ -1584,14 +1570,14 @@ dbit_trap_20w:
L3_ptep ptp,pte,t0,va,dbit_fault
- tlb_lock spc,ptp,pte,t0,t1,dbit_fault
+ ptl_lock spc,ptp,pte,t0,t1,dbit_fault
update_dirty ptp,pte,t1
make_insert_tlb spc,pte,prot,t1
idtlbt pte,prot
- tlb_unlock0 spc,t0
+ ptl_unlock0 spc,t0
rfir
nop
#else
@@ -1604,7 +1590,7 @@ dbit_trap_11:
L2_ptep ptp,pte,t0,va,dbit_fault
- tlb_lock spc,ptp,pte,t0,t1,dbit_fault
+ ptl_lock spc,ptp,pte,t0,t1,dbit_fault
update_dirty ptp,pte,t1
make_insert_tlb_11 spc,pte,prot
@@ -1617,7 +1603,7 @@ dbit_trap_11:
mtsp t1, %sr1 /* Restore sr1 */
- tlb_unlock0 spc,t0
+ ptl_unlock0 spc,t0
rfir
nop
@@ -1628,7 +1614,7 @@ dbit_trap_20:
L2_ptep ptp,pte,t0,va,dbit_fault
- tlb_lock spc,ptp,pte,t0,t1,dbit_fault
+ ptl_lock spc,ptp,pte,t0,t1,dbit_fault
update_dirty ptp,pte,t1
make_insert_tlb spc,pte,prot,t1
@@ -1637,7 +1623,7 @@ dbit_trap_20:
idtlbt pte,prot
- tlb_unlock0 spc,t0
+ ptl_unlock0 spc,t0
rfir
nop
#endif
diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c
index d7ba014a7fbb..43652de5f139 100644
--- a/arch/parisc/mm/hugetlbpage.c
+++ b/arch/parisc/mm/hugetlbpage.c
@@ -142,24 +142,17 @@ static void __set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t entry)
{
- unsigned long flags;
-
- spin_lock_irqsave(pgd_spinlock((mm)->pgd), flags);
__set_huge_pte_at(mm, addr, ptep, entry);
- spin_unlock_irqrestore(pgd_spinlock((mm)->pgd), flags);
}
pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep)
{
- unsigned long flags;
pte_t entry;
- spin_lock_irqsave(pgd_spinlock((mm)->pgd), flags);
entry = *ptep;
__set_huge_pte_at(mm, addr, ptep, __pte(0));
- spin_unlock_irqrestore(pgd_spinlock((mm)->pgd), flags);
return entry;
}
@@ -168,29 +161,23 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
- unsigned long flags;
pte_t old_pte;
- spin_lock_irqsave(pgd_spinlock((mm)->pgd), flags);
old_pte = *ptep;
__set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
- spin_unlock_irqrestore(pgd_spinlock((mm)->pgd), flags);
}
int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty)
{
- unsigned long flags;
int changed;
struct mm_struct *mm = vma->vm_mm;
- spin_lock_irqsave(pgd_spinlock((mm)->pgd), flags);
changed = !pte_same(*ptep, pte);
if (changed) {
__set_huge_pte_at(mm, addr, ptep, pte);
}
- spin_unlock_irqrestore(pgd_spinlock((mm)->pgd), flags);
return changed;
}
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 319afa00cdf7..6a083fc87a03 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -37,11 +37,6 @@ extern int data_start;
extern void parisc_kernel_start(void); /* Kernel entry point in head.S */
#if CONFIG_PGTABLE_LEVELS == 3
-/* NOTE: This layout exactly conforms to the hybrid L2/L3 page table layout
- * with the first pmd adjacent to the pgd and below it. gcc doesn't actually
- * guarantee that global objects will be laid out in memory in the same order
- * as the order of declaration, so put these in different sections and use
- * the linker script to order them. */
pmd_t pmd0[PTRS_PER_PMD] __section(".data..vm0.pmd") __attribute__ ((aligned(PAGE_SIZE)));
#endif
@@ -558,6 +553,11 @@ void __init mem_init(void)
BUILD_BUG_ON(PGD_ENTRY_SIZE != sizeof(pgd_t));
BUILD_BUG_ON(PAGE_SHIFT + BITS_PER_PTE + BITS_PER_PMD + BITS_PER_PGD
> BITS_PER_LONG);
+#if CONFIG_PGTABLE_LEVELS == 3
+ BUILD_BUG_ON(PT_INITIAL > PTRS_PER_PMD);
+#else
+ BUILD_BUG_ON(PT_INITIAL > PTRS_PER_PGD);
+#endif
high_memory = __va((max_pfn << PAGE_SHIFT));
set_max_mapnr(max_low_pfn);
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 38b7a3491aac..1d2593238995 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -3399,8 +3399,22 @@ static noinline void kvmppc_run_core(struct kvmppc_vcore *vc)
kvmppc_set_host_core(pcpu);
+ context_tracking_guest_exit();
+ if (!vtime_accounting_enabled_this_cpu()) {
+ local_irq_enable();
+ /*
+ * Service IRQs here before vtime_account_guest_exit() so any
+ * ticks that occurred while running the guest are accounted to
+ * the guest. If vtime accounting is enabled, accounting uses
+ * TB rather than ticks, so it can be done without enabling
+ * interrupts here, which has the problem that it accounts
+ * interrupt processing overhead to the host.
+ */
+ local_irq_disable();
+ }
+ vtime_account_guest_exit();
+
local_irq_enable();
- guest_exit();
/* Let secondaries go back to the offline loop */
for (i = 0; i < controlled_threads; ++i) {
@@ -4235,8 +4249,22 @@ int kvmhv_run_single_vcpu(struct kvm_vcpu *vcpu, u64 time_limit,
kvmppc_set_host_core(pcpu);
+ context_tracking_guest_exit();
+ if (!vtime_accounting_enabled_this_cpu()) {
+ local_irq_enable();
+ /*
+ * Service IRQs here before vtime_account_guest_exit() so any
+ * ticks that occurred while running the guest are accounted to
+ * the guest. If vtime accounting is enabled, accounting uses
+ * TB rather than ticks, so it can be done without enabling
+ * interrupts here, which has the problem that it accounts
+ * interrupt processing overhead to the host.
+ */
+ local_irq_disable();
+ }
+ vtime_account_guest_exit();
+
local_irq_enable();
- guest_exit();
cpumask_clear_cpu(pcpu, &kvm->arch.cpu_in_guest);
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index b1abcb816439..75381beb7514 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -1016,7 +1016,21 @@ int kvmppc_handle_exit(struct kvm_vcpu *vcpu, unsigned int exit_nr)
}
trace_kvm_exit(exit_nr, vcpu);
- guest_exit_irqoff();
+
+ context_tracking_guest_exit();
+ if (!vtime_accounting_enabled_this_cpu()) {
+ local_irq_enable();
+ /*
+ * Service IRQs here before vtime_account_guest_exit() so any
+ * ticks that occurred while running the guest are accounted to
+ * the guest. If vtime accounting is enabled, accounting uses
+ * TB rather than ticks, so it can be done without enabling
+ * interrupts here, which has the problem that it accounts
+ * interrupt processing overhead to the host.
+ */
+ local_irq_disable();
+ }
+ vtime_account_guest_exit();
local_irq_enable();
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
index 2f73cb5bf12d..f386a7bc3811 100644
--- a/arch/powerpc/platforms/pseries/mobility.c
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -59,18 +59,31 @@ static int mobility_rtas_call(int token, char *buf, s32 scope)
return rc;
}
-static int delete_dt_node(__be32 phandle)
+static int delete_dt_node(struct device_node *dn)
{
- struct device_node *dn;
+ struct device_node *pdn;
+ bool is_platfac;
- dn = of_find_node_by_phandle(be32_to_cpu(phandle));
- if (!dn)
- return -ENOENT;
+ pdn = of_get_parent(dn);
+ is_platfac = of_node_is_type(dn, "ibm,platform-facilities") ||
+ of_node_is_type(pdn, "ibm,platform-facilities");
+ of_node_put(pdn);
- pr_debug("removing node %pOFfp\n", dn);
+ /*
+ * The drivers that bind to nodes in the platform-facilities
+ * hierarchy don't support node removal, and the removal directive
+ * from firmware is always followed by an add of an equivalent
+ * node. The capability (e.g. RNG, encryption, compression)
+ * represented by the node is never interrupted by the migration.
+ * So ignore changes to this part of the tree.
+ */
+ if (is_platfac) {
+ pr_notice("ignoring remove operation for %pOFfp\n", dn);
+ return 0;
+ }
+ pr_debug("removing node %pOFfp\n", dn);
dlpar_detach_node(dn);
- of_node_put(dn);
return 0;
}
@@ -135,10 +148,9 @@ static int update_dt_property(struct device_node *dn, struct property **prop,
return 0;
}
-static int update_dt_node(__be32 phandle, s32 scope)
+static int update_dt_node(struct device_node *dn, s32 scope)
{
struct update_props_workarea *upwa;
- struct device_node *dn;
struct property *prop = NULL;
int i, rc, rtas_rc;
char *prop_data;
@@ -155,14 +167,8 @@ static int update_dt_node(__be32 phandle, s32 scope)
if (!rtas_buf)
return -ENOMEM;
- dn = of_find_node_by_phandle(be32_to_cpu(phandle));
- if (!dn) {
- kfree(rtas_buf);
- return -ENOENT;
- }
-
upwa = (struct update_props_workarea *)&rtas_buf[0];
- upwa->phandle = phandle;
+ upwa->phandle = cpu_to_be32(dn->phandle);
do {
rtas_rc = mobility_rtas_call(update_properties_token, rtas_buf,
@@ -221,25 +227,30 @@ static int update_dt_node(__be32 phandle, s32 scope)
cond_resched();
} while (rtas_rc == 1);
- of_node_put(dn);
kfree(rtas_buf);
return 0;
}
-static int add_dt_node(__be32 parent_phandle, __be32 drc_index)
+static int add_dt_node(struct device_node *parent_dn, __be32 drc_index)
{
struct device_node *dn;
- struct device_node *parent_dn;
int rc;
- parent_dn = of_find_node_by_phandle(be32_to_cpu(parent_phandle));
- if (!parent_dn)
- return -ENOENT;
-
dn = dlpar_configure_connector(drc_index, parent_dn);
- if (!dn) {
- of_node_put(parent_dn);
+ if (!dn)
return -ENOENT;
+
+ /*
+ * Since delete_dt_node() ignores this node type, this is the
+ * necessary counterpart. We also know that a platform-facilities
+ * node returned from dlpar_configure_connector() has children
+ * attached, and dlpar_attach_node() only adds the parent, leaking
+ * the children. So ignore these on the add side for now.
+ */
+ if (of_node_is_type(dn, "ibm,platform-facilities")) {
+ pr_notice("ignoring add operation for %pOF\n", dn);
+ dlpar_free_cc_nodes(dn);
+ return 0;
}
rc = dlpar_attach_node(dn, parent_dn);
@@ -248,7 +259,6 @@ static int add_dt_node(__be32 parent_phandle, __be32 drc_index)
pr_debug("added node %pOFfp\n", dn);
- of_node_put(parent_dn);
return rc;
}
@@ -281,22 +291,31 @@ int pseries_devicetree_update(s32 scope)
data++;
for (i = 0; i < node_count; i++) {
+ struct device_node *np;
__be32 phandle = *data++;
__be32 drc_index;
+ np = of_find_node_by_phandle(be32_to_cpu(phandle));
+ if (!np) {
+ pr_warn("Failed lookup: phandle 0x%x for action 0x%x\n",
+ be32_to_cpu(phandle), action);
+ continue;
+ }
+
switch (action) {
case DELETE_DT_NODE:
- delete_dt_node(phandle);
+ delete_dt_node(np);
break;
case UPDATE_DT_NODE:
- update_dt_node(phandle, scope);
+ update_dt_node(np, scope);
break;
case ADD_DT_NODE:
drc_index = *data++;
- add_dt_node(phandle, drc_index);
+ add_dt_node(np, drc_index);
break;
}
+ of_node_put(np);
cond_resched();
}
}
diff --git a/drivers/dma/bestcomm/ata.c b/drivers/dma/bestcomm/ata.c
index 2fd87f83cf90..e169f18da551 100644
--- a/drivers/dma/bestcomm/ata.c
+++ b/drivers/dma/bestcomm/ata.c
@@ -133,7 +133,7 @@ void bcom_ata_reset_bd(struct bcom_task *tsk)
struct bcom_ata_var *var;
/* Reset all BD */
- memset(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
+ memset_io(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
tsk->index = 0;
tsk->outdex = 0;
diff --git a/drivers/dma/bestcomm/bestcomm.c b/drivers/dma/bestcomm/bestcomm.c
index d91cbbe7a48f..8c42e5ca00a9 100644
--- a/drivers/dma/bestcomm/bestcomm.c
+++ b/drivers/dma/bestcomm/bestcomm.c
@@ -95,7 +95,7 @@ bcom_task_alloc(int bd_count, int bd_size, int priv_size)
tsk->bd = bcom_sram_alloc(bd_count * bd_size, 4, &tsk->bd_pa);
if (!tsk->bd)
goto error;
- memset(tsk->bd, 0x00, bd_count * bd_size);
+ memset_io(tsk->bd, 0x00, bd_count * bd_size);
tsk->num_bd = bd_count;
tsk->bd_size = bd_size;
@@ -186,16 +186,16 @@ bcom_load_image(int task, u32 *task_image)
inc = bcom_task_inc(task);
/* Clear & copy */
- memset(var, 0x00, BCOM_VAR_SIZE);
- memset(inc, 0x00, BCOM_INC_SIZE);
+ memset_io(var, 0x00, BCOM_VAR_SIZE);
+ memset_io(inc, 0x00, BCOM_INC_SIZE);
desc_src = (u32 *)(hdr + 1);
var_src = desc_src + hdr->desc_size;
inc_src = var_src + hdr->var_size;
- memcpy(desc, desc_src, hdr->desc_size * sizeof(u32));
- memcpy(var + hdr->first_var, var_src, hdr->var_size * sizeof(u32));
- memcpy(inc, inc_src, hdr->inc_size * sizeof(u32));
+ memcpy_toio(desc, desc_src, hdr->desc_size * sizeof(u32));
+ memcpy_toio(var + hdr->first_var, var_src, hdr->var_size * sizeof(u32));
+ memcpy_toio(inc, inc_src, hdr->inc_size * sizeof(u32));
return 0;
}
@@ -302,13 +302,13 @@ static int bcom_engine_init(void)
return -ENOMEM;
}
- memset(bcom_eng->tdt, 0x00, tdt_size);
- memset(bcom_eng->ctx, 0x00, ctx_size);
- memset(bcom_eng->var, 0x00, var_size);
- memset(bcom_eng->fdt, 0x00, fdt_size);
+ memset_io(bcom_eng->tdt, 0x00, tdt_size);
+ memset_io(bcom_eng->ctx, 0x00, ctx_size);
+ memset_io(bcom_eng->var, 0x00, var_size);
+ memset_io(bcom_eng->fdt, 0x00, fdt_size);
/* Copy the FDT for the EU#3 */
- memcpy(&bcom_eng->fdt[48], fdt_ops, sizeof(fdt_ops));
+ memcpy_toio(&bcom_eng->fdt[48], fdt_ops, sizeof(fdt_ops));
/* Initialize Task base structure */
for (task=0; task<BCOM_MAX_TASKS; task++)
diff --git a/drivers/dma/bestcomm/fec.c b/drivers/dma/bestcomm/fec.c
index 7f1fb1c999e4..d203618ac11f 100644
--- a/drivers/dma/bestcomm/fec.c
+++ b/drivers/dma/bestcomm/fec.c
@@ -140,7 +140,7 @@ bcom_fec_rx_reset(struct bcom_task *tsk)
tsk->index = 0;
tsk->outdex = 0;
- memset(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
+ memset_io(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
/* Configure some stuff */
bcom_set_task_pragma(tsk->tasknum, BCOM_FEC_RX_BD_PRAGMA);
@@ -241,7 +241,7 @@ bcom_fec_tx_reset(struct bcom_task *tsk)
tsk->index = 0;
tsk->outdex = 0;
- memset(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
+ memset_io(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
/* Configure some stuff */
bcom_set_task_pragma(tsk->tasknum, BCOM_FEC_TX_BD_PRAGMA);
diff --git a/drivers/dma/bestcomm/gen_bd.c b/drivers/dma/bestcomm/gen_bd.c
index 906ddba6a6f5..8a24a5cbc263 100644
--- a/drivers/dma/bestcomm/gen_bd.c
+++ b/drivers/dma/bestcomm/gen_bd.c
@@ -142,7 +142,7 @@ bcom_gen_bd_rx_reset(struct bcom_task *tsk)
tsk->index = 0;
tsk->outdex = 0;
- memset(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
+ memset_io(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
/* Configure some stuff */
bcom_set_task_pragma(tsk->tasknum, BCOM_GEN_RX_BD_PRAGMA);
@@ -226,7 +226,7 @@ bcom_gen_bd_tx_reset(struct bcom_task *tsk)
tsk->index = 0;
tsk->outdex = 0;
- memset(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
+ memset_io(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
/* Configure some stuff */
bcom_set_task_pragma(tsk->tasknum, BCOM_GEN_TX_BD_PRAGMA);
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index d60d5520707d..60c2533a39a5 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -169,6 +169,7 @@ static int mpc8xxx_irq_set_type(struct irq_data *d, unsigned int flow_type)
switch (flow_type) {
case IRQ_TYPE_EDGE_FALLING:
+ case IRQ_TYPE_LEVEL_LOW:
raw_spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
gc->write_reg(mpc8xxx_gc->regs + GPIO_ICR,
gc->read_reg(mpc8xxx_gc->regs + GPIO_ICR)
diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c
index 35338ed18209..255c6b863f8d 100644
--- a/drivers/gpu/drm/meson/meson_plane.c
+++ b/drivers/gpu/drm/meson/meson_plane.c
@@ -163,7 +163,7 @@ static void meson_plane_atomic_update(struct drm_plane *plane,
/* Enable OSD and BLK0, set max global alpha */
priv->viu.osd1_ctrl_stat = OSD_ENABLE |
- (0xFF << OSD_GLOBAL_ALPHA_SHIFT) |
+ (0x100 << OSD_GLOBAL_ALPHA_SHIFT) |
OSD_BLK0_ENABLE;
priv->viu.osd1_ctrl_stat2 = readl(priv->io_base +
diff --git a/drivers/gpu/drm/meson/meson_viu.c b/drivers/gpu/drm/meson/meson_viu.c
index bb7e109534de..d4b907889a21 100644
--- a/drivers/gpu/drm/meson/meson_viu.c
+++ b/drivers/gpu/drm/meson/meson_viu.c
@@ -94,7 +94,7 @@ static void meson_viu_set_g12a_osd1_matrix(struct meson_drm *priv,
priv->io_base + _REG(VPP_WRAP_OSD1_MATRIX_COEF11_12));
writel(((m[9] & 0x1fff) << 16) | (m[10] & 0x1fff),
priv->io_base + _REG(VPP_WRAP_OSD1_MATRIX_COEF20_21));
- writel((m[11] & 0x1fff) << 16,
+ writel((m[11] & 0x1fff),
priv->io_base + _REG(VPP_WRAP_OSD1_MATRIX_COEF22));
writel(((m[18] & 0xfff) << 16) | (m[19] & 0xfff),
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 7b7a8a74405d..371b345635e6 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -666,44 +666,48 @@ static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
{
struct mv88e6xxx_chip *chip = ds->priv;
struct mv88e6xxx_port *p;
- int err;
+ int err = 0;
p = &chip->ports[port];
- /* FIXME: is this the correct test? If we're in fixed mode on an
- * internal port, why should we process this any different from
- * PHY mode? On the other hand, the port may be automedia between
- * an internal PHY and the serdes...
- */
- if ((mode == MLO_AN_PHY) && mv88e6xxx_phy_is_internal(ds, port))
- return;
-
mv88e6xxx_reg_lock(chip);
- /* In inband mode, the link may come up at any time while the link
- * is not forced down. Force the link down while we reconfigure the
- * interface mode.
- */
- if (mode == MLO_AN_INBAND && p->interface != state->interface &&
- chip->info->ops->port_set_link)
- chip->info->ops->port_set_link(chip, port, LINK_FORCED_DOWN);
-
- err = mv88e6xxx_port_config_interface(chip, port, state->interface);
- if (err && err != -EOPNOTSUPP)
- goto err_unlock;
- err = mv88e6xxx_serdes_pcs_config(chip, port, mode, state->interface,
- state->advertising);
- /* FIXME: we should restart negotiation if something changed - which
- * is something we get if we convert to using phylinks PCS operations.
- */
- if (err > 0)
- err = 0;
+ if (mode != MLO_AN_PHY || !mv88e6xxx_phy_is_internal(ds, port)) {
+ /* In inband mode, the link may come up at any time while the
+ * link is not forced down. Force the link down while we
+ * reconfigure the interface mode.
+ */
+ if (mode == MLO_AN_INBAND &&
+ p->interface != state->interface &&
+ chip->info->ops->port_set_link)
+ chip->info->ops->port_set_link(chip, port,
+ LINK_FORCED_DOWN);
+
+ err = mv88e6xxx_port_config_interface(chip, port,
+ state->interface);
+ if (err && err != -EOPNOTSUPP)
+ goto err_unlock;
+
+ err = mv88e6xxx_serdes_pcs_config(chip, port, mode,
+ state->interface,
+ state->advertising);
+ /* FIXME: we should restart negotiation if something changed -
+ * which is something we get if we convert to using phylinks
+ * PCS operations.
+ */
+ if (err > 0)
+ err = 0;
+ }
/* Undo the forced down state above after completing configuration
- * irrespective of its state on entry, which allows the link to come up.
+ * irrespective of its state on entry, which allows the link to come
+ * up in the in-band case where there is no separate SERDES. Also
+ * ensure that the link can come up if the PPU is in use and we are
+ * in PHY mode (we treat the PPU as an effective in-band mechanism.)
*/
- if (mode == MLO_AN_INBAND && p->interface != state->interface &&
- chip->info->ops->port_set_link)
+ if (chip->info->ops->port_set_link &&
+ ((mode == MLO_AN_INBAND && p->interface != state->interface) ||
+ (mode == MLO_AN_PHY && mv88e6xxx_port_ppu_updates(chip, port))))
chip->info->ops->port_set_link(chip, port, LINK_UNFORCED);
p->interface = state->interface;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 48e8b94e4a7c..1502069f3a4e 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1024,6 +1024,7 @@ static const struct usb_device_id products[] = {
{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */
{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0620)}, /* Quectel EM160R-GL */
{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */
+ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0801)}, /* Quectel RM520N */
/* 3. Combined interface devices matching on interface number */
{QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 8e412125a49c..50190ded7edc 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -4209,6 +4209,10 @@ static int hwsim_virtio_handle_cmd(struct sk_buff *skb)
nlh = nlmsg_hdr(skb);
gnlh = nlmsg_data(nlh);
+
+ if (skb->len < nlh->nlmsg_len)
+ return -EINVAL;
+
err = genlmsg_parse(nlh, &hwsim_genl_family, tb, HWSIM_ATTR_MAX,
hwsim_genl_policy, NULL);
if (err) {
@@ -4251,7 +4255,8 @@ static void hwsim_virtio_rx_work(struct work_struct *work)
spin_unlock_irqrestore(&hwsim_virtio_lock, flags);
skb->data = skb->head;
- skb_set_tail_pointer(skb, len);
+ skb_reset_tail_pointer(skb);
+ skb_put(skb, len);
hwsim_virtio_handle_cmd(skb);
spin_lock_irqsave(&hwsim_virtio_lock, flags);
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 57ff31b6b1e4..5a1b8688b460 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -315,7 +315,7 @@ static int unflatten_dt_nodes(const void *blob,
for (offset = 0;
offset >= 0 && depth >= initial_depth;
offset = fdt_next_node(blob, offset, &depth)) {
- if (WARN_ON_ONCE(depth >= FDT_MAX_DEPTH))
+ if (WARN_ON_ONCE(depth >= FDT_MAX_DEPTH - 1))
continue;
if (!IS_ENABLED(CONFIG_OF_KOBJ) &&
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index ffd5000c23d3..be81b765858b 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -1546,6 +1546,7 @@ static int __init ccio_probe(struct parisc_device *dev)
}
ccio_ioc_init(ioc);
if (ccio_init_resources(ioc)) {
+ iounmap(ioc->ioc_regs);
kfree(ioc);
return -ENOMEM;
}
diff --git a/drivers/pinctrl/sunxi/pinctrl-sun50i-a100-r.c b/drivers/pinctrl/sunxi/pinctrl-sun50i-a100-r.c
index 21054fcacd34..18088f6f44b2 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sun50i-a100-r.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sun50i-a100-r.c
@@ -98,7 +98,7 @@ MODULE_DEVICE_TABLE(of, a100_r_pinctrl_match);
static struct platform_driver a100_r_pinctrl_driver = {
.probe = a100_r_pinctrl_probe,
.driver = {
- .name = "sun50iw10p1-r-pinctrl",
+ .name = "sun50i-a100-r-pinctrl",
.of_match_table = a100_r_pinctrl_match,
},
};
diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c
index 8a0cd5bf0065..cebddefba2f4 100644
--- a/drivers/platform/x86/intel-hid.c
+++ b/drivers/platform/x86/intel-hid.c
@@ -93,6 +93,13 @@ static const struct dmi_system_id button_array_table[] = {
DMI_MATCH(DMI_PRODUCT_FAMILY, "ThinkPad X1 Tablet Gen 2"),
},
},
+ {
+ .ident = "Microsoft Surface Go 3",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Surface Go 3"),
+ },
+ },
{ }
};
diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index 0a19500d3725..44a8e500fb30 100644
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -791,7 +791,7 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
((pfuze_chip->chip_id == PFUZE3000) ? "3000" : "3001"))));
memcpy(pfuze_chip->regulator_descs, pfuze_chip->pfuze_regulators,
- sizeof(pfuze_chip->regulator_descs));
+ regulator_num * sizeof(struct pfuze_regulator));
ret = pfuze_parse_regulators_dt(pfuze_chip);
if (ret)
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index a37ea946459c..c6fc14b169da 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -352,19 +352,6 @@ static void cdns3_ep_inc_deq(struct cdns3_endpoint *priv_ep)
cdns3_ep_inc_trb(&priv_ep->dequeue, &priv_ep->ccs, priv_ep->num_trbs);
}
-static void cdns3_move_deq_to_next_trb(struct cdns3_request *priv_req)
-{
- struct cdns3_endpoint *priv_ep = priv_req->priv_ep;
- int current_trb = priv_req->start_trb;
-
- while (current_trb != priv_req->end_trb) {
- cdns3_ep_inc_deq(priv_ep);
- current_trb = priv_ep->dequeue;
- }
-
- cdns3_ep_inc_deq(priv_ep);
-}
-
/**
* cdns3_allow_enable_l1 - enable/disable permits to transition to L1.
* @priv_dev: Extended gadget object
@@ -1518,10 +1505,11 @@ static void cdns3_transfer_completed(struct cdns3_device *priv_dev,
trb = priv_ep->trb_pool + priv_ep->dequeue;
- /* Request was dequeued and TRB was changed to TRB_LINK. */
- if (TRB_FIELD_TO_TYPE(le32_to_cpu(trb->control)) == TRB_LINK) {
+ /* The TRB was changed as link TRB, and the request was handled at ep_dequeue */
+ while (TRB_FIELD_TO_TYPE(le32_to_cpu(trb->control)) == TRB_LINK) {
trace_cdns3_complete_trb(priv_ep, trb);
- cdns3_move_deq_to_next_trb(priv_req);
+ cdns3_ep_inc_deq(priv_ep);
+ trb = priv_ep->trb_pool + priv_ep->dequeue;
}
if (!request->stream_id) {
diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c
index ad5ced4ef972..8fb4e01e1943 100644
--- a/drivers/video/fbdev/i740fb.c
+++ b/drivers/video/fbdev/i740fb.c
@@ -662,6 +662,9 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var,
static int i740fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
+ if (!var->pixclock)
+ return -EINVAL;
+
switch (var->bits_per_pixel) {
case 8:
var->red.offset = var->green.offset = var->blue.offset = 0;
diff --git a/drivers/video/fbdev/pxa3xx-gcu.c b/drivers/video/fbdev/pxa3xx-gcu.c
index 9421d14d0eb0..9e9888e40c57 100644
--- a/drivers/video/fbdev/pxa3xx-gcu.c
+++ b/drivers/video/fbdev/pxa3xx-gcu.c
@@ -381,7 +381,7 @@ pxa3xx_gcu_write(struct file *file, const char *buff,
struct pxa3xx_gcu_batch *buffer;
struct pxa3xx_gcu_priv *priv = to_pxa3xx_gcu_priv(file);
- int words = count / 4;
+ size_t words = count / 4;
/* Does not need to be atomic. There's a lock in user space,
* but anyhow, this is just for statistics. */
diff --git a/fs/afs/misc.c b/fs/afs/misc.c
index 1d1a8debe472..f1dc2162900a 100644
--- a/fs/afs/misc.c
+++ b/fs/afs/misc.c
@@ -69,6 +69,7 @@ int afs_abort_to_error(u32 abort_code)
/* Unified AFS error table */
case UAEPERM: return -EPERM;
case UAENOENT: return -ENOENT;
+ case UAEAGAIN: return -EAGAIN;
case UAEACCES: return -EACCES;
case UAEBUSY: return -EBUSY;
case UAEEXIST: return -EEXIST;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 6c06870f9018..fafb69d338c2 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3244,6 +3244,9 @@ static ssize_t __cifs_writev(
ssize_t cifs_direct_writev(struct kiocb *iocb, struct iov_iter *from)
{
+ struct file *file = iocb->ki_filp;
+
+ cifs_revalidate_mapping(file->f_inode);
return __cifs_writev(iocb, from, true);
}
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 503a0056b60f..383ae8744c33 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -209,8 +209,8 @@ smb_send_kvec(struct TCP_Server_Info *server, struct msghdr *smb_msg,
*sent = 0;
- smb_msg->msg_name = (struct sockaddr *) &server->dstaddr;
- smb_msg->msg_namelen = sizeof(struct sockaddr);
+ smb_msg->msg_name = NULL;
+ smb_msg->msg_namelen = 0;
smb_msg->msg_control = NULL;
smb_msg->msg_controllen = 0;
if (server->noblocksnd)
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 4034102010f0..b3fcc27b9564 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1029,22 +1029,31 @@ static void nfs_fill_super(struct super_block *sb, struct nfs_fs_context *ctx)
if (ctx && ctx->bsize)
sb->s_blocksize = nfs_block_size(ctx->bsize, &sb->s_blocksize_bits);
- if (server->nfs_client->rpc_ops->version != 2) {
- /* The VFS shouldn't apply the umask to mode bits. We will do
- * so ourselves when necessary.
+ switch (server->nfs_client->rpc_ops->version) {
+ case 2:
+ sb->s_time_gran = 1000;
+ sb->s_time_min = 0;
+ sb->s_time_max = U32_MAX;
+ break;
+ case 3:
+ /*
+ * The VFS shouldn't apply the umask to mode bits.
+ * We will do so ourselves when necessary.
*/
sb->s_flags |= SB_POSIXACL;
sb->s_time_gran = 1;
- sb->s_export_op = &nfs_export_ops;
- } else
- sb->s_time_gran = 1000;
-
- if (server->nfs_client->rpc_ops->version != 4) {
sb->s_time_min = 0;
sb->s_time_max = U32_MAX;
- } else {
+ sb->s_export_op = &nfs_export_ops;
+ break;
+ case 4:
+ sb->s_flags |= SB_POSIXACL;
+ sb->s_time_gran = 1;
sb->s_time_min = S64_MIN;
sb->s_time_max = S64_MAX;
+ if (server->caps & NFS_CAP_ATOMIC_OPEN_V1)
+ sb->s_export_op = &nfs_export_ops;
+ break;
}
sb->s_magic = NFS_SUPER_MAGIC;
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 07ca187fc5e4..fe339106e02c 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -113,8 +113,9 @@ static inline struct device_node *of_cpu_device_node_get(int cpu)
}
static inline int of_dma_configure_id(struct device *dev,
- struct device_node *np,
- bool force_dma)
+ struct device_node *np,
+ bool force_dma,
+ const u32 *id)
{
return 0;
}
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index 1a0a9f820c69..433b9e840b38 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -57,6 +57,7 @@ int cgroup_attach_task_all(struct task_struct *from, struct task_struct *tsk)
int retval = 0;
mutex_lock(&cgroup_mutex);
+ cpus_read_lock();
percpu_down_write(&cgroup_threadgroup_rwsem);
for_each_root(root) {
struct cgroup *from_cgrp;
@@ -73,6 +74,7 @@ int cgroup_attach_task_all(struct task_struct *from, struct task_struct *tsk)
break;
}
percpu_up_write(&cgroup_threadgroup_rwsem);
+ cpus_read_unlock();
mutex_unlock(&cgroup_mutex);
return retval;
diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c
index f4938040c228..3aa55b807560 100644
--- a/kernel/trace/trace_preemptirq.c
+++ b/kernel/trace/trace_preemptirq.c
@@ -94,15 +94,15 @@ __visible void trace_hardirqs_on_caller(unsigned long caller_addr)
this_cpu_write(tracing_irq_cpu, 0);
}
- lockdep_hardirqs_on_prepare(CALLER_ADDR0);
- lockdep_hardirqs_on(CALLER_ADDR0);
+ lockdep_hardirqs_on_prepare(caller_addr);
+ lockdep_hardirqs_on(caller_addr);
}
EXPORT_SYMBOL(trace_hardirqs_on_caller);
NOKPROBE_SYMBOL(trace_hardirqs_on_caller);
__visible void trace_hardirqs_off_caller(unsigned long caller_addr)
{
- lockdep_hardirqs_off(CALLER_ADDR0);
+ lockdep_hardirqs_off(caller_addr);
if (!this_cpu_read(tracing_irq_cpu)) {
this_cpu_write(tracing_irq_cpu, 1);
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index f8ecad2b730e..2a93e7b5fbd0 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -166,7 +166,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
_enter("{%d,%d}", call->tx_hard_ack, call->tx_top);
now = ktime_get_real();
- max_age = ktime_sub(now, jiffies_to_usecs(call->peer->rto_j));
+ max_age = ktime_sub_us(now, jiffies_to_usecs(call->peer->rto_j));
spin_lock_bh(&call->lock);
diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c
index 8c2881054266..ebbf1b03b62c 100644
--- a/net/rxrpc/local_object.c
+++ b/net/rxrpc/local_object.c
@@ -424,6 +424,9 @@ static void rxrpc_local_processor(struct work_struct *work)
container_of(work, struct rxrpc_local, processor);
bool again;
+ if (local->dead)
+ return;
+
trace_rxrpc_local(local->debug_id, rxrpc_local_processing,
atomic_read(&local->usage), NULL);
diff --git a/scripts/mksysmap b/scripts/mksysmap
index 9aa23d15862a..ad8bbc52267d 100755
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
@@ -41,4 +41,4 @@
# so we just ignore them to let readprofile continue to work.
# (At least sparc64 has __crc_ in the middle).
-$NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)\|\( \.L\)' > $2
+$NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)\|\( \.L\)\|\( L0\)' > $2
diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c
index 07787698b973..1e44e337986e 100644
--- a/sound/pci/hda/hda_tegra.c
+++ b/sound/pci/hda/hda_tegra.c
@@ -479,7 +479,8 @@ MODULE_DEVICE_TABLE(of, hda_tegra_match);
static int hda_tegra_probe(struct platform_device *pdev)
{
const unsigned int driver_flags = AZX_DCAPS_CORBRP_SELF_CLEAR |
- AZX_DCAPS_PM_RUNTIME;
+ AZX_DCAPS_PM_RUNTIME |
+ AZX_DCAPS_4K_BDLE_BOUNDARY;
struct snd_card *card;
struct azx *chip;
struct hda_tegra *hda;
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index c662431bf13a..b848e435b93f 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -209,6 +209,7 @@ struct sigmatel_spec {
/* beep widgets */
hda_nid_t anabeep_nid;
+ bool beep_power_on;
/* SPDIF-out mux */
const char * const *spdif_labels;
@@ -4447,6 +4448,28 @@ static int stac_suspend(struct hda_codec *codec)
stac_shutup(codec);
return 0;
}
+
+static int stac_check_power_status(struct hda_codec *codec, hda_nid_t nid)
+{
+#ifdef CONFIG_SND_HDA_INPUT_BEEP
+ struct sigmatel_spec *spec = codec->spec;
+#endif
+ int ret = snd_hda_gen_check_power_status(codec, nid);
+
+#ifdef CONFIG_SND_HDA_INPUT_BEEP
+ if (nid == spec->gen.beep_nid && codec->beep) {
+ if (codec->beep->enabled != spec->beep_power_on) {
+ spec->beep_power_on = codec->beep->enabled;
+ if (spec->beep_power_on)
+ snd_hda_power_up_pm(codec);
+ else
+ snd_hda_power_down_pm(codec);
+ }
+ ret |= spec->beep_power_on;
+ }
+#endif
+ return ret;
+}
#else
#define stac_suspend NULL
#endif /* CONFIG_PM */
@@ -4459,6 +4482,7 @@ static const struct hda_codec_ops stac_patch_ops = {
.unsol_event = snd_hda_jack_unsol_event,
#ifdef CONFIG_PM
.suspend = stac_suspend,
+ .check_power_status = stac_check_power_status,
#endif
.reboot_notify = stac_shutup,
};
diff --git a/sound/soc/codecs/nau8824.c b/sound/soc/codecs/nau8824.c
index c8ccfa2fff84..a95fe3fff1db 100644
--- a/sound/soc/codecs/nau8824.c
+++ b/sound/soc/codecs/nau8824.c
@@ -1072,6 +1072,7 @@ static int nau8824_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_component *component = dai->component;
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
unsigned int val_len = 0, osr, ctrl_val, bclk_fs, bclk_div;
+ int err = -EINVAL;
nau8824_sema_acquire(nau8824, HZ);
@@ -1088,7 +1089,7 @@ static int nau8824_hw_params(struct snd_pcm_substream *substream,
osr &= NAU8824_DAC_OVERSAMPLE_MASK;
if (nau8824_clock_check(nau8824, substream->stream,
nau8824->fs, osr))
- return -EINVAL;
+ goto error;
regmap_update_bits(nau8824->regmap, NAU8824_REG_CLK_DIVIDER,
NAU8824_CLK_DAC_SRC_MASK,
osr_dac_sel[osr].clk_src << NAU8824_CLK_DAC_SRC_SFT);
@@ -1098,7 +1099,7 @@ static int nau8824_hw_params(struct snd_pcm_substream *substream,
osr &= NAU8824_ADC_SYNC_DOWN_MASK;
if (nau8824_clock_check(nau8824, substream->stream,
nau8824->fs, osr))
- return -EINVAL;
+ goto error;
regmap_update_bits(nau8824->regmap, NAU8824_REG_CLK_DIVIDER,
NAU8824_CLK_ADC_SRC_MASK,
osr_adc_sel[osr].clk_src << NAU8824_CLK_ADC_SRC_SFT);
@@ -1119,7 +1120,7 @@ static int nau8824_hw_params(struct snd_pcm_substream *substream,
else if (bclk_fs <= 256)
bclk_div = 0;
else
- return -EINVAL;
+ goto error;
regmap_update_bits(nau8824->regmap,
NAU8824_REG_PORT0_I2S_PCM_CTRL_2,
NAU8824_I2S_LRC_DIV_MASK | NAU8824_I2S_BLK_DIV_MASK,
@@ -1140,15 +1141,17 @@ static int nau8824_hw_params(struct snd_pcm_substream *substream,
val_len |= NAU8824_I2S_DL_32;
break;
default:
- return -EINVAL;
+ goto error;
}
regmap_update_bits(nau8824->regmap, NAU8824_REG_PORT0_I2S_PCM_CTRL_1,
NAU8824_I2S_DL_MASK, val_len);
+ err = 0;
+ error:
nau8824_sema_release(nau8824);
- return 0;
+ return err;
}
static int nau8824_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
@@ -1157,8 +1160,6 @@ static int nau8824_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
unsigned int ctrl1_val = 0, ctrl2_val = 0;
- nau8824_sema_acquire(nau8824, HZ);
-
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
ctrl2_val |= NAU8824_I2S_MS_MASTER;
@@ -1200,6 +1201,8 @@ static int nau8824_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
return -EINVAL;
}
+ nau8824_sema_acquire(nau8824, HZ);
+
regmap_update_bits(nau8824->regmap, NAU8824_REG_PORT0_I2S_PCM_CTRL_1,
NAU8824_I2S_DF_MASK | NAU8824_I2S_BP_MASK |
NAU8824_I2S_PCMB_EN, ctrl1_val);
diff --git a/tools/include/uapi/asm/errno.h b/tools/include/uapi/asm/errno.h
index d30439b4b8ab..869379f91fe4 100644
--- a/tools/include/uapi/asm/errno.h
+++ b/tools/include/uapi/asm/errno.h
@@ -9,8 +9,8 @@
#include "../../../arch/alpha/include/uapi/asm/errno.h"
#elif defined(__mips__)
#include "../../../arch/mips/include/uapi/asm/errno.h"
-#elif defined(__xtensa__)
-#include "../../../arch/xtensa/include/uapi/asm/errno.h"
+#elif defined(__hppa__)
+#include "../../../arch/parisc/include/uapi/asm/errno.h"
#else
#include <asm-generic/errno.h>
#endif
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