From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751224AbWJEUTm (ORCPT ); Thu, 5 Oct 2006 16:19:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751234AbWJEUTm (ORCPT ); Thu, 5 Oct 2006 16:19:42 -0400 Received: from dsl027-180-168.sfo1.dsl.speakeasy.net ([216.27.180.168]:7569 "EHLO sunset.davemloft.net") by vger.kernel.org with ESMTP id S1751224AbWJEUTl (ORCPT ); Thu, 5 Oct 2006 16:19:41 -0400 Date: Thu, 05 Oct 2006 13:19:43 -0700 (PDT) Message-Id: <20061005.131943.11597704.davem@davemloft.net> To: dmonakhov@openvz.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: D-cache aliasing issue in __block_prepare_write From: David Miller In-Reply-To: <87ejtmn675.fsf@sw.ru> References: <87ejtmn675.fsf@sw.ru> X-Mailer: Mew version 4.2 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Monakhov Dmitriy Date: Thu, 05 Oct 2006 19:16:46 +0400 > It's seems I've found D-cache aliasing issue in fs/buffer.c ... > x86 does not have cache aliasing problems, the problem could > show up only on marginal archs, ia64 is the most frequently used. > > Following is the patch against 2.6.18 fix this issue: This patch looks good to me.