Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755607Ab3HRVkf (ORCPT ); Sun, 18 Aug 2013 17:40:35 -0400 Received: from mail-wg0-f51.google.com ([74.125.82.51]:36540 "EHLO mail-wg0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755471Ab3HRVke (ORCPT ); Sun, 18 Aug 2013 17:40:34 -0400 Date: Sun, 18 Aug 2013 23:40:30 +0200 From: Frederic Weisbecker To: Oleg Nesterov Cc: LKML , Fernando Luis Vazquez Cao , Tetsuo Handa , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Andrew Morton , Arjan van de Ven Subject: Re: [PATCH 2/4] nohz: Synchronize sleep time stats with seqlock Message-ID: <20130818214029.GC22640@somewhere> References: <1376667753-29014-1-git-send-email-fweisbec@gmail.com> <1376667753-29014-3-git-send-email-fweisbec@gmail.com> <20130818165400.GB21310@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130818165400.GB21310@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 684 Lines: 25 On Sun, Aug 18, 2013 at 06:54:00PM +0200, Oleg Nesterov wrote: > On 08/16, Frederic Weisbecker wrote: > > > > This fixes a reported bug where non-monotonic sleeptime stats are returned by /proc/stat > > when it is frequently read. > > Plus it fixes the problems with 32bit machines reading u64 values. Ah indeed. > > But perhaps the changelog should mention other races we discussed. Agreed, I'll detail that. thanks. > > Oleg. > -- 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/