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| author | Dave Airlie <airlied@redhat.com> | 2020-01-20 11:08:11 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-01-20 11:42:57 +1000 |
| commit | 3d4743131b8de970faa4b979ead0fadfe5d2de9d (patch) | |
| tree | 68e948c2d94d48598dd37e31bb654feb0b43ae4a /include/asm-generic/cacheflush.h | |
| parent | Merge tag 'amd-drm-next-5.6-2020-01-17' of git://people.freedesktop.org/~agd5... (diff) | |
| parent | Linux 5.5-rc7 (diff) | |
| download | linux-3d4743131b8de970faa4b979ead0fadfe5d2de9d.tar.gz linux-3d4743131b8de970faa4b979ead0fadfe5d2de9d.zip | |
Backmerge v5.5-rc7 into drm-next
msm needs 5.5-rc4, go to the latest.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/asm-generic/cacheflush.h')
| -rw-r--r-- | include/asm-generic/cacheflush.h | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/include/asm-generic/cacheflush.h b/include/asm-generic/cacheflush.h index a950a22c4890..cac7404b2bdd 100644 --- a/include/asm-generic/cacheflush.h +++ b/include/asm-generic/cacheflush.h @@ -11,71 +11,102 @@ * The cache doesn't need to be flushed when TLB entries change when * the cache is mapped to physical memory, not virtual memory */ +#ifndef flush_cache_all static inline void flush_cache_all(void) { } +#endif +#ifndef flush_cache_mm static inline void flush_cache_mm(struct mm_struct *mm) { } +#endif +#ifndef flush_cache_dup_mm static inline void flush_cache_dup_mm(struct mm_struct *mm) { } +#endif +#ifndef flush_cache_range static inline void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { } +#endif +#ifndef flush_cache_page static inline void flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn) { } +#endif +#ifndef flush_dcache_page static inline void flush_dcache_page(struct page *page) { } +#endif +#ifndef flush_dcache_mmap_lock static inline void flush_dcache_mmap_lock(struct address_space *mapping) { } +#endif +#ifndef flush_dcache_mmap_unlock static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { } +#endif +#ifndef flush_icache_range static inline void flush_icache_range(unsigned long start, unsigned long end) { } +#endif +#ifndef flush_icache_page static inline void flush_icache_page(struct vm_area_struct *vma, struct page *page) { } +#endif +#ifndef flush_icache_user_range static inline void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, unsigned long addr, int len) { } +#endif +#ifndef flush_cache_vmap static inline void flush_cache_vmap(unsigned long start, unsigned long end) { } +#endif +#ifndef flush_cache_vunmap static inline void flush_cache_vunmap(unsigned long start, unsigned long end) { } +#endif -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ +#ifndef copy_to_user_page +#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ memcpy(dst, src, len); \ flush_icache_user_range(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) +#endif #endif /* __ASM_CACHEFLUSH_H */ |