| From | Kamal Mostafa <> | Subject | [PATCH 3.8 33/81] ARM: 7957/1: add DSB after icache flush in __flush_icache_all() | Date | Tue, 25 Mar 2014 10:15:46 -0700 |
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3.8.13.20 -stable review patch. If anyone has any objections, please let me know.
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From: Vinayak Kale <vkale@apm.com>
commit 39544ac9df20f73e49fc6b9ac19ff533388c82c0 upstream.
Add DSB after icache flush to complete the cache maintenance operation.
Signed-off-by: Vinayak Kale <vkale@apm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- 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 738fcba..f591b85 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(); } /* -- 1.8.3.2
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