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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-26 17:05:10 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-26 17:05:10 -0800
commitf24407d2bde27a4eb75ce5e52069bf4f1ba0e8a5 (patch)
tree6ad6dbc0b3d394435615b5e53b7d2ab3bde4c354 /arch/parisc
parent654451748b779b28077d9058442d0f354251870d (diff)
parent73c77e2ccc14413c232c3e0b3aa43a0c4b72ec70 (diff)
downloadlinux-2.6.34-ux500-f24407d2bde27a4eb75ce5e52069bf4f1ba0e8a5.tar.gz
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.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index 7a73b615c23..477277739da 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()