diff options
Diffstat (limited to 'include/asm-generic/cacheflush.h')
| -rw-r--r-- | include/asm-generic/cacheflush.h | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/include/asm-generic/cacheflush.h b/include/asm-generic/cacheflush.h index 907fa5d16494..7ee8a179d103 100644 --- a/include/asm-generic/cacheflush.h +++ b/include/asm-generic/cacheflush.h @@ -2,6 +2,13 @@ #ifndef _ASM_GENERIC_CACHEFLUSH_H #define _ASM_GENERIC_CACHEFLUSH_H +#include <linux/instrumented.h> + +struct mm_struct; +struct vm_area_struct; +struct page; +struct address_space; + /* * The cache doesn't need to be flushed when TLB entries change when * the cache is mapped to physical memory, not virtual memory @@ -44,10 +51,10 @@ static inline void flush_cache_page(struct vm_area_struct *vma, static inline void flush_dcache_page(struct page *page) { } + #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 #endif - #ifndef flush_dcache_mmap_lock static inline void flush_dcache_mmap_lock(struct address_space *mapping) { @@ -70,13 +77,6 @@ static inline void flush_icache_range(unsigned long start, unsigned long end) #define flush_icache_user_range flush_icache_range #endif -#ifndef flush_icache_page -static inline void flush_icache_page(struct vm_area_struct *vma, - struct page *page) -{ -} -#endif - #ifndef flush_icache_user_page static inline void flush_icache_user_page(struct vm_area_struct *vma, struct page *page, @@ -91,6 +91,12 @@ static inline void flush_cache_vmap(unsigned long start, unsigned long end) } #endif +#ifndef flush_cache_vmap_early +static inline void flush_cache_vmap_early(unsigned long start, unsigned long end) +{ +} +#endif + #ifndef flush_cache_vunmap static inline void flush_cache_vunmap(unsigned long start, unsigned long end) { @@ -100,14 +106,22 @@ static inline void flush_cache_vunmap(unsigned long start, unsigned long end) #ifndef copy_to_user_page #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ + instrument_copy_to_user((void __user *)dst, src, len); \ memcpy(dst, src, len); \ flush_icache_user_page(vma, page, vaddr, len); \ } while (0) #endif + #ifndef copy_from_user_page -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) +#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ + do { \ + instrument_copy_from_user_before(dst, (void __user *)src, \ + len); \ + memcpy(dst, src, len); \ + instrument_copy_from_user_after(dst, (void __user *)src, len, \ + 0); \ + } while (0) #endif #endif /* _ASM_GENERIC_CACHEFLUSH_H */ |