Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964792AbXBYKoF (ORCPT ); Sun, 25 Feb 2007 05:44:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964793AbXBYKoF (ORCPT ); Sun, 25 Feb 2007 05:44:05 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:40364 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964795AbXBYKoB (ORCPT ); Sun, 25 Feb 2007 05:44:01 -0500 Date: Sun, 25 Feb 2007 11:43:54 +0100 From: Pavel Machek To: "Rafael J. Wysocki" Cc: LKML , paulmck@linux.vnet.ibm.com, ego@in.ibm.com, akpm@osdl.org, mingo@elte.hu, vatsa@in.ibm.com, dipankar@in.ibm.com, venkatesh.pallipadi@intel.com, Aneesh Kumar Subject: Re: [RFC][PATCH 1/7] Freezer: Read PF_BORROWED_MM in a nonracy way Message-ID: <20070225104354.GH2045@elf.ucw.cz> References: <200702231116.23607.rjw@sisk.pl> <200702231118.07629.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200702231118.07629.rjw@sisk.pl> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 625 Lines: 18 On Fri 2007-02-23 11:18:06, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki > > The reading of PF_BORROWED_MM in is_user_space() without task_lock() is racy. > Fix it. > > Signed-off-by: Rafael J. Wysocki ACK. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - 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/