Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754872AbYGGPoU (ORCPT ); Mon, 7 Jul 2008 11:44:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753541AbYGGPoM (ORCPT ); Mon, 7 Jul 2008 11:44:12 -0400 Received: from mtagate3.uk.ibm.com ([195.212.29.136]:51258 "EHLO mtagate3.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753475AbYGGPoL (ORCPT ); Mon, 7 Jul 2008 11:44:11 -0400 Message-ID: <487239BE.8070505@de.ibm.com> Date: Mon, 07 Jul 2008 17:43:58 +0200 From: Carsten Otte Reply-To: carsteno@de.ibm.com Organization: =?ISO-8859-1?Q?BM_Deutschland_Research_=26_Developm?= =?ISO-8859-1?Q?ent_GmbH_/_Vorsitzender_des_Aufsichtsrats=3A_?= =?ISO-8859-1?Q?Martin_Jetter=2CGesch=E4ftsf=FChrung=3A_Herbert_Kir?= =?ISO-8859-1?Q?cher=2CSitz_der_Gesellschaft=3A_B=F6blingen_/_R?= =?ISO-8859-1?Q?egistergericht=3A_Amtsgericht_Stuttgart=2C_HRB_24?= =?ISO-8859-1?Q?3294?= User-Agent: Mozilla-Thunderbird 2.0.0.14 (X11/20080509) MIME-Version: 1.0 To: Nick Piggin CC: Hugh Dickins , benh@kernel.crashing.org, Zan Lynx , Ryan Hope , LKML , Andrew Morton Subject: Re: Lockless/Get_User_Pages_Fast causes Xorg 1.4.99.* to lock References: <48f7fe350807032326l1d68c94l531e44c09693b989@mail.gmail.com> <486E4FD8.4010102@acm.org> <200807071806.11630.nickpiggin@yahoo.com.au> In-Reply-To: <200807071806.11630.nickpiggin@yahoo.com.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 708 Lines: 13 Nick Piggin wrote: > I think we need a similar fix for s390 too. If so, then it really should > get into 2.6.26, but this late in the release, I hope an s390 maintainer > might be able to test and verify the fix? I've done my best to combine mprotect, mmap and munmap a MAP_PRIVATE mapping on a xip file system. The system runs stable with and without this patch. Could someone please enlighten me on how to reproduce the problem so that I can verify the fix? -- 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/