Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757400AbYAQUqB (ORCPT ); Thu, 17 Jan 2008 15:46:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757548AbYAQUpu (ORCPT ); Thu, 17 Jan 2008 15:45:50 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:40242 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755439AbYAQUpt (ORCPT ); Thu, 17 Jan 2008 15:45:49 -0500 Date: Thu, 17 Jan 2008 21:44:49 +0100 From: Ingo Molnar To: Andreas Herrmann3 Cc: Venki Pallipadi , ak@muc.de, ebiederm@xmission.com, rdreier@cisco.com, torvalds@linux-foundation.org, gregkh@suse.de, airlied@skynet.ie, davej@redhat.com, tglx@linutronix.de, hpa@zytor.com, akpm@linux-foundation.org, arjan@infradead.org, jesse.barnes@intel.com, davem@davemloft.net, linux-kernel@vger.kernel.org, suresh.b.siddha@intel.com Subject: Re: [patch 0/4] x86: PAT followup - Incremental changes and bug fixes Message-ID: <20080117204449.GA1292@elte.hu> References: <20080116023955.597433000@intel.com> <20080116185748.GA11244@alberich.amd.com> <20080116203328.GA17869@linux-os.sc.intel.com> <20080117191211.GA12631@alberich.amd.com> <20080117203600.GB27778@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080117203600.GB27778@elte.hu> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 986 Lines: 36 * Ingo Molnar wrote: > I.e. something like below? or the one below. (it even builds) Ingo --- arch/x86/mm/pat.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) Index: linux-x86.q/arch/x86/mm/pat.c =================================================================== --- linux-x86.q.orig/arch/x86/mm/pat.c +++ linux-x86.q/arch/x86/mm/pat.c @@ -174,7 +174,12 @@ int reserve_mattr(u64 start, u64 end, un current->comm, current->pid, start, end, cattr_name(attr), cattr_name(ml->attr)); - err = -EBUSY; + /* + * Force the already existing attribute: + */ + ma->attr = ml->attr; + if (*fattr) + *fattr = ml->attr; break; } } else if (ml->start >= end) { -- 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/