[PATCH 3.11 043/131] ARM: 7957/1: add DSB after icache flush in __flush_icache_all()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



3.11.10.6 -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: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
 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 17d0ae8..a25e62d 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();
 }
 
 /*
-- 
1.9.0

--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]