Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751197AbWIZMWq (ORCPT ); Tue, 26 Sep 2006 08:22:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751199AbWIZMWq (ORCPT ); Tue, 26 Sep 2006 08:22:46 -0400 Received: from mx2.suse.de ([195.135.220.15]:30613 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1751197AbWIZMWp (ORCPT ); Tue, 26 Sep 2006 08:22:45 -0400 To: OGAWA Hirofumi Cc: linux-kernel@vger.kernel.org, OGAWA Hirofumi Subject: Re: [PATCH] arch/i386/pci/mmconfig.c tlb flush fix References: From: Andi Kleen Date: 26 Sep 2006 14:22:29 +0200 In-Reply-To: Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 726 Lines: 16 OGAWA Hirofumi writes: > Hi, > > We use the fixmap for accessing pci config space in pci_mmcfg_read/write(). > The problem is in pci_exp_set_dev_base(). It is caching a last > accessed address to avoid calling set_fixmap_nocache() whenever > pci_mmcfg_read/write() is used. Good catch. I already had another report of mmconfig corruption on i386, but didn't have time to look at it yet. Will be definitely stable material once it hit mainline. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/