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author | James Bottomley <James.Bottomley@suse.de> | 2011-02-10 18:20:53 +0100 |
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committer | James Bottomley <James.Bottomley@suse.de> | 2011-02-10 18:20:53 +0100 |
commit | 2c250ad23d438fa56e1beded374e44dc565c6c47 (patch) | |
tree | 8f7e115c81c066134e48e998cb9b7380ff43f21c /arch/parisc/include/asm | |
parent | Merge branch 'tmpalias-flush' into for-next (diff) | |
parent | [PARISC] fix per-cpu flag problem in the cpu affinity checkers (diff) | |
download | linux-2c250ad23d438fa56e1beded374e44dc565c6c47.tar.xz linux-2c250ad23d438fa56e1beded374e44dc565c6c47.zip |
Merge branch 'fixes' into for-next
Diffstat (limited to 'arch/parisc/include/asm')
-rw-r--r-- | arch/parisc/include/asm/cacheflush.h | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index dc9286a4dcc7..d18328b3f938 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -35,6 +35,13 @@ void flush_cache_all_local(void); void flush_cache_all(void); void flush_cache_mm(struct mm_struct *mm); +#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE +void flush_kernel_dcache_page_addr(void *addr); +static inline void flush_kernel_dcache_page(struct page *page) +{ + flush_kernel_dcache_page_addr(page_address(page)); +} + #define flush_kernel_dcache_range(start,size) \ flush_kernel_dcache_range_asm((start), (start)+(size)); /* vmap range flushes and invalidates. Architecturally, we don't need @@ -48,6 +55,16 @@ static inline void flush_kernel_vmap_range(void *vaddr, int size) } static inline void invalidate_kernel_vmap_range(void *vaddr, int size) { + unsigned long start = (unsigned long)vaddr; + void *cursor = vaddr; + + for ( ; cursor < vaddr + size; cursor += PAGE_SIZE) { + struct page *page = vmalloc_to_page(cursor); + + if (test_and_clear_bit(PG_dcache_dirty, &page->flags)) + flush_kernel_dcache_page(page); + } + flush_kernel_dcache_range_asm(start, start + size); } #define flush_cache_vmap(start, end) flush_cache_all() @@ -99,13 +116,6 @@ flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vma flush_dcache_page_asm(page_to_phys(page), vmaddr); } -#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE -void flush_kernel_dcache_page_addr(void *addr); -static inline void flush_kernel_dcache_page(struct page *page) -{ - flush_kernel_dcache_page_addr(page_address(page)); -} - #ifdef CONFIG_DEBUG_RODATA void mark_rodata_ro(void); #endif |