From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753975AbaC3XdQ (ORCPT ); Sun, 30 Mar 2014 19:33:16 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:36514 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753137AbaC3XZE (ORCPT ); Sun, 30 Mar 2014 19:25:04 -0400 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Catalin Marinas" , "Russell King" , "Vinayak Kale" Date: Mon, 31 Mar 2014 00:23:35 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.2 124/200] ARM: 7957/1: add DSB after icache flush in __flush_icache_all() In-Reply-To: X-SA-Exim-Connect-IP: 192.168.4.249 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2.56-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Vinayak Kale 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: Ben Hutchings --- arch/arm/include/asm/cacheflush.h | 1 + 1 file changed, 1 insertion(+) --- 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_ static inline void __flush_icache_all(void) { __flush_icache_preferred(); + dsb(); } #define flush_cache_all() __cpuc_flush_kern_all()