From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030484Ab2AFTTR (ORCPT ); Fri, 6 Jan 2012 14:19:17 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:45564 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756464Ab2AFTTO (ORCPT ); Fri, 6 Jan 2012 14:19:14 -0500 Date: Fri, 6 Jan 2012 20:17:06 +0100 From: Ingo Molnar To: Linus Torvalds Cc: Martin Schwidefsky , Andreas Schwab , linux-kernel@vger.kernel.org, Peter Zijlstra , Mike Galbraith , Thomas Gleixner , Andrew Morton Subject: Re: [GIT PULL] scheduler changes for v3.3 Message-ID: <20120106191706.GB4164@elte.hu> References: <20120105140846.GA32342@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=AWL,BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.0 AWL AWL: From: address is in the auto white-list Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Linus Torvalds wrote: > [...] Also double-check my resolve of the > set_cpu_sd_state_idle() call in kernel/time/tick-sched.c, > please. I've pushed it out, and it seems to work for me, > but... Looks good at first sight - set_cpu_sd_state_idle() is only called from the idle thread when it is going idle - so there should neither be any irq context callers nor any preemption going on - no races. Thanks, Ingo