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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-27 04:05:10 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-27 04:05:10 +0300 |
| commit | f24407d2bde27a4eb75ce5e52069bf4f1ba0e8a5 (patch) | |
| tree | 6ad6dbc0b3d394435615b5e53b7d2ab3bde4c354 /arch/parisc | |
| parent | 654451748b779b28077d9058442d0f354251870d (diff) | |
| parent | 73c77e2ccc14413c232c3e0b3aa43a0c4b72ec70 (diff) | |
| download | linux-f24407d2bde27a4eb75ce5e52069bf4f1ba0e8a5.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/xfs-vipt
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/xfs-vipt:
xfs: fix xfs to work with Virtually Indexed architectures
sh: add mm API for DMA to vmalloc/vmap areas
arm: add mm API for DMA to vmalloc/vmap areas
parisc: add mm API for DMA to vmalloc/vmap areas
mm: add coherence API for DMA to vmalloc/vmap areas
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/include/asm/cacheflush.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index 7a73b615c23d..477277739da5 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -38,6 +38,18 @@ void flush_cache_mm(struct mm_struct *mm); #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 + * the invalidate, because the CPU should refuse to speculate once an + * area has been flushed, so invalidate is left empty */ +static inline void flush_kernel_vmap_range(void *vaddr, int size) +{ + unsigned long start = (unsigned long)vaddr; + + flush_kernel_dcache_range_asm(start, start + size); +} +static inline void invalidate_kernel_vmap_range(void *vaddr, int size) +{ +} #define flush_cache_vmap(start, end) flush_cache_all() #define flush_cache_vunmap(start, end) flush_cache_all() |