Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754443Ab3HRRAZ (ORCPT ); Sun, 18 Aug 2013 13:00:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39871 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753143Ab3HRRAY (ORCPT ); Sun, 18 Aug 2013 13:00:24 -0400 Date: Sun, 18 Aug 2013 18:54:00 +0200 From: Oleg Nesterov To: Frederic Weisbecker 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: <20130818165400.GB21310@redhat.com> References: <1376667753-29014-1-git-send-email-fweisbec@gmail.com> <1376667753-29014-3-git-send-email-fweisbec@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1376667753-29014-3-git-send-email-fweisbec@gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 549 Lines: 16 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. But perhaps the changelog should mention other races we discussed. 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/