[PATCH 3.4 05/99] ARM: 7957/1: add DSB after icache flush in __flush_icache_all()

[Greg Kroah-Hartman]

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vinayak Kale <vkale@xxxxxxx>

commit 39544ac9df20f73e49fc6b9ac19ff533388c82c0 upstream.

Add DSB after icache flush to complete the cache maintenance operation.

Signed-off-by: Vinayak Kale <vkale@xxxxxxx>
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 arch/arm/include/asm/cacheflush.h |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -202,6 +202,7 @@ extern void copy_to_user_page(struct vm_
 static inline void __flush_icache_all(void)
 {
 	__flush_icache_preferred();
+	dsb();
 }
 
 #define flush_cache_all()		__cpuc_flush_kern_all()


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