Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758901AbXJEIGG (ORCPT ); Fri, 5 Oct 2007 04:06:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752338AbXJEIFu (ORCPT ); Fri, 5 Oct 2007 04:05:50 -0400 Received: from cantor.suse.de ([195.135.220.2]:54553 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752143AbXJEIFs (ORCPT ); Fri, 5 Oct 2007 04:05:48 -0400 From: Andi Kleen To: Keir Fraser Subject: Re: race with page_referenced_one->ptep_test_and_clear_young and pagetable setup/pulldown Date: Fri, 5 Oct 2007 10:03:44 +0200 User-Agent: KMail/1.9.1 Cc: Jeremy Fitzhardinge , Andrew Morton , Hugh Dickens , David Rientjes , Zachary Amsden , Linus Torvalds , Rusty Russell , Linux Kernel Mailing List References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710051003.45129.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 609 Lines: 14 > Fortuitously, Jan Beulich has a patch to fix this. It's not going to be > directly applicable to 2.6.23-rc series, but should be easily ported: > . Do I misread that patch or does it really walk the complete address space and try to take all possible locks? Isn't that very slow? -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/