Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264105AbTKJTsJ (ORCPT ); Mon, 10 Nov 2003 14:48:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264106AbTKJTsJ (ORCPT ); Mon, 10 Nov 2003 14:48:09 -0500 Received: from dbl.q-ag.de ([80.146.160.66]:52677 "EHLO dbl.q-ag.de") by vger.kernel.org with ESMTP id S264105AbTKJTsH (ORCPT ); Mon, 10 Nov 2003 14:48:07 -0500 Message-ID: <3FAFEB6A.9030206@colorfullife.com> Date: Mon, 10 Nov 2003 20:47:54 +0100 From: Manfred Spraul User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.1) Gecko/20031030 X-Accept-Language: en-us, en MIME-Version: 1.0 To: =?ISO-8859-1?Q?Mika_Penttil=E4?= CC: Petr Vandrovec , Dave Jones , linux-kernel@vger.kernel.org Subject: Re: EFAULT reading /dev/mem... - broken x86info References: <20031108162737.GB26350@vana.vc.cvut.cz> <20031110161114.GM10144@redhat.com> <3FAFC1D1.3090309@colorfullife.com> <20031110165654.GS10144@redhat.com> <3FAFC831.4090108@colorfullife.com> <20031110180551.GA20168@vana.vc.cvut.cz> <3FAFDFFF.70100@colorfullife.com> <3FAFE8D5.4020102@kolumbus.fi> In-Reply-To: <3FAFE8D5.4020102@kolumbus.fi> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 484 Lines: 17 Mika Penttil? wrote: > afaics, agp uses change_apge_attr() to turn on NOCACHE bit, and > doesn't remove the mapping. Ops, you are right. Hmm. I'll add code to /dev/mem for DEBUG_PAGEALLOC, but it might take some time. -- Manfred - 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/