Add DSB after icache flush to complete the cache maintenance operation.
Signed-off-by: Vinayak Kale <vk...@apm.com>
Acked-by: Catalin Marinas <catalin.mari...@arm.com>
Cc: <sta...@vger.kernel.org>
---
KernelVersion: 3.14-rc1
PS:
- This patch is tested for ARM-v7.
arch/arm/include/asm/cacheflush.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/include/asm/cacheflush.h
b/arch/arm/include/asm/cacheflush.h
index ee753f1..ab91ebb 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -212,6 +212,7 @@ extern void copy_to_user_page(struct vm_area_struct *,
struct page *,
static inline void __flush_icache_all(void)
{
__flush_icache_preferred();
+ dsb();
}
/*
--
1.7.9.5
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