From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751875AbaBKJRe (ORCPT ); Tue, 11 Feb 2014 04:17:34 -0500 Received: from exprod5og110.obsmtp.com ([64.18.0.20]:57676 "HELO exprod5og110.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751199AbaBKJRa (ORCPT ); Tue, 11 Feb 2014 04:17:30 -0500 X-Greylist: delayed 415 seconds by postgrey-1.27 at vger.kernel.org; Tue, 11 Feb 2014 04:17:30 EST From: Vinayak Kale To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: stable@vger.kernel.org, linux@arm.linux.org.uk, nico@linaro.org, catalin.marinas@arm.com, Dave.Martin@arm.com, will.deacon@arm.com, dirk.behme@gmail.com, Vinayak Kale Subject: [PATCH RESEND] arm: add DSB after icache flush in __flush_icache_all() Date: Tue, 11 Feb 2014 14:40:11 +0530 Message-Id: <1392109811-8525-1-git-send-email-vkale@apm.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add DSB after icache flush to complete the cache maintenance operation. Signed-off-by: Vinayak Kale Acked-by: Catalin Marinas --- 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