From c943f5f92411ccb977e3272615309d3877d435f5 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 17d0ae8672f..a25e62d2de6 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(); } /* -- 2.11.0