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