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| author | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
| commit | b10778a00d40b3d9fdaaf5891e802794781ff71c (patch) | |
| tree | 6ba4cbac86eecedc3f30650e7f764ecf00c83898 /arch/arm64/include/asm/cacheflush.h | |
| parent | 594081ee7145cc30a3977cb4e218f81213b63dc5 (diff) | |
| parent | bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 (diff) | |
Merge commit 'v3.17' into next
Diffstat (limited to 'arch/arm64/include/asm/cacheflush.h')
| -rw-r--r-- | arch/arm64/include/asm/cacheflush.h | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h index a5176cf32dad..f2defe1c380c 100644 --- a/arch/arm64/include/asm/cacheflush.h +++ b/arch/arm64/include/asm/cacheflush.h @@ -138,19 +138,10 @@ static inline void __flush_icache_all(void) #define flush_icache_page(vma,page) do { } while (0) /* - * flush_cache_vmap() is used when creating mappings (eg, via vmap, - * vmalloc, ioremap etc) in kernel space for pages. On non-VIPT - * caches, since the direct-mappings of these pages may contain cached - * data, we need to do a full cache flush to ensure that writebacks - * don't corrupt data placed into these pages via the new mappings. + * Not required on AArch64 (PIPT or VIPT non-aliasing D-cache). */ static inline void flush_cache_vmap(unsigned long start, unsigned long end) { - /* - * set_pte_at() called from vmap_pte_range() does not - * have a DSB after cleaning the cache line. - */ - dsb(ish); } static inline void flush_cache_vunmap(unsigned long start, unsigned long end) |