From: James Bottomley <jejb@xxxxxxxxxxxxxxx>
ARM cannot prevent cache movein, so this patch implements both the
flush and invalidate pieces of the API.
Signed-off-by: James Bottomley <James.Bottomley@xxxxxxx>
---
arch/arm/include/asm/cacheflush.h | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 1a711ea..1104ee9 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -436,6 +436,16 @@ static inline void flush_kernel_dcache_page(struct page *page)
if ((cache_is_vivt() || cache_is_vipt_aliasing()) && !PageHighMem(page))
__cpuc_flush_dcache_page(page_address(page));
}
+static inline void flush_kernel_dcache_addr(void *addr)
+{
+ if ((cache_is_vivt() || cache_is_vipt_aliasing()))
+ __cpuc_flush_dcache_page(addr);
+}
+static inline void invalidate_kernel_dcache_addr(void *addr)
+{
+ if ((cache_is_vivt() || cache_is_vipt_aliasing()))
+ __cpuc_flush_dcache_page(addr);
+}
#define flush_dcache_mmap_lock(mapping) \
spin_lock_irq(&(mapping)->tree_lock)
--
1.6.3.3
--
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