Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752243AbZDMQfD (ORCPT ); Mon, 13 Apr 2009 12:35:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751496AbZDMQey (ORCPT ); Mon, 13 Apr 2009 12:34:54 -0400 Received: from mail.gmx.net ([213.165.64.20]:57085 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750767AbZDMQex (ORCPT ); Mon, 13 Apr 2009 12:34:53 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX1/mpo9UxnHm/hBY1B35XEi90VLvk0LdjS6I08ydPd moHtc/GQSjlPLp Subject: Re: mmotm 2009-04-10-02-21 uploaded - forkbombed by work_for_cpu From: Mike Galbraith To: Linus Torvalds Cc: Valdis.Kletnieks@vt.edu, Mike Travis , Andrew Morton , Linux Kernel Mailing List , mm-commits@vger.kernel.org, Rusty Russell , Dave Jones , Ingo Molnar In-Reply-To: References: <200904100922.n3A9MOIV013828@imap1.linux-foundation.org> <4609.1239456126@turing-police.cc.vt.edu> Content-Type: text/plain Date: Mon, 13 Apr 2009 18:34:48 +0200 Message-Id: <1239640488.7866.4.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.22.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.71 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 576 Lines: 15 On Mon, 2009-04-13 at 09:04 -0700, Linus Torvalds wrote: > So afaik, acpi-cpufreq.c should not use "work_on_cpu()" for that at all. > It should just do a smp_call_function_single(). Andrew already fixed it to use smp_call_function_single() because of another regression. (mysql+oltp took 10% peak throughput hit here) -Mike -- 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/