diff options
Diffstat (limited to 'arch/arm/include/asm/cacheflush.h')
| -rw-r--r-- | arch/arm/include/asm/cacheflush.h | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index fd03fb63a33..73eceb87e58 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -331,15 +331,15 @@ static inline void outer_flush_range(unsigned long start, unsigned long end) * Convert calls to our calling convention. */ #define flush_cache_all() __cpuc_flush_kern_all() -#ifndef CONFIG_CPU_CACHE_VIPT -static inline void flush_cache_mm(struct mm_struct *mm) + +static inline void vivt_flush_cache_mm(struct mm_struct *mm) { if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm))) __cpuc_flush_user_all(); } static inline void -flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) +vivt_flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) __cpuc_flush_user_range(start & PAGE_MASK, PAGE_ALIGN(end), @@ -347,7 +347,7 @@ flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long } static inline void -flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn) +vivt_flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn) { if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) { unsigned long addr = user_addr & PAGE_MASK; @@ -356,7 +356,7 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned l } static inline void -flush_ptrace_access(struct vm_area_struct *vma, struct page *page, +vivt_flush_ptrace_access(struct vm_area_struct *vma, struct page *page, unsigned long uaddr, void *kaddr, unsigned long len, int write) { @@ -365,6 +365,16 @@ flush_ptrace_access(struct vm_area_struct *vma, struct page *page, __cpuc_coherent_kern_range(addr, addr + len); } } + +#ifndef CONFIG_CPU_CACHE_VIPT +#define flush_cache_mm(mm) \ + vivt_flush_cache_mm(mm) +#define flush_cache_range(vma,start,end) \ + vivt_flush_cache_range(vma,start,end) +#define flush_cache_page(vma,addr,pfn) \ + vivt_flush_cache_page(vma,addr,pfn) +#define flush_ptrace_access(vma,page,ua,ka,len,write) \ + vivt_flush_ptrace_access(vma,page,ua,ka,len,write) #else extern void flush_cache_mm(struct mm_struct *mm); extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); @@ -408,15 +418,19 @@ extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, * about to change to user space. This is the same method as used on SPARC64. * See update_mmu_cache for the user space part. */ +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page *); -extern void __flush_dcache_page(struct address_space *mapping, struct page *page); - static inline void __flush_icache_all(void) { +#ifdef CONFIG_ARM_ERRATA_411920 + extern void v6_icache_inval_all(void); + v6_icache_inval_all(); +#else asm("mcr p15, 0, %0, c7, c5, 0 @ invalidate I-cache\n" : : "r" (0)); +#endif } #define ARCH_HAS_FLUSH_ANON_PAGE |