From d25de0cc257d404bfbd401a246a37a89171a163b Mon Sep 17 00:00:00 2001 From: Vinayak Kale Date: Wed, 12 Feb 2014 07:30:01 +0100 Subject: [PATCH] ARM: 7957/1: add DSB after icache flush in __flush_icache_all() commit 39544ac9df20f73e49fc6b9ac19ff533388c82c0 upstream. Add DSB after icache flush to complete the cache maintenance operation. Signed-off-by: Vinayak Kale Acked-by: Catalin Marinas Signed-off-by: Russell King Signed-off-by: Greg Kroah-Hartman --- 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 0a5e8a512ee2b..420b7d20d520e 100644 --- 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_area_struct *, struct page *, static inline void __flush_icache_all(void) { __flush_icache_preferred(); + dsb(); } #define flush_cache_all() __cpuc_flush_kern_all() -- 2.47.3