From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754457AbYINPH1 (ORCPT ); Sun, 14 Sep 2008 11:07:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752476AbYINPHN (ORCPT ); Sun, 14 Sep 2008 11:07:13 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:42698 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752280AbYINPHM (ORCPT ); Sun, 14 Sep 2008 11:07:12 -0400 Date: Sun, 14 Sep 2008 17:06:51 +0200 From: Ingo Molnar To: Frank Mayhar Cc: linux-kernel , Roland McGrath , Thomas Gleixner , Alexey Dobriyan , Andrew Morton Subject: Re: [PATCH 2.6.27-rc5 resubmit] Fix itimer/many thread hang. Message-ID: <20080914150651.GK12522@elte.hu> References: <1221238479.30136.2.camel@bobble.smo.corp.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1221238479.30136.2.camel@bobble.smo.corp.google.com> User-Agent: Mutt/1.5.18 (2008-05-17) 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 * Frank Mayhar wrote: > This is a resubmission of the posix timer rework patch, posted a few > days ago. This addresses Oleg Nesterov's comments, removing the RCU > stuff from the patch and un-inlining the thread_group_cputime() > function for SMP. I left the function itself as an inline defined in > sched.h but the SMP version just calls thread_group_cputime_smp() > which is defined in posix-cpu-timers.c. (The UP version was a > one-liner; I left it as an inline.) i've applied it to tip/timers/posixtimers for more testing, thanks Frank. Ingo