From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756635Ab0CKKFA (ORCPT ); Thu, 11 Mar 2010 05:05:00 -0500 Received: from mail.gmx.net ([213.165.64.20]:44073 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1756432Ab0CKKE6 (ORCPT ); Thu, 11 Mar 2010 05:04:58 -0500 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX19g+vokx/pgKvRs8q1demmmjxElP52fnjTZ3aMIAg 4zL+hueqxna+l7 Subject: Re: [patch 12/12] sched: remove AFFINE_WAKEUPS feature From: Mike Galbraith To: Peter Zijlstra Cc: Ingo Molnar , LKML In-Reply-To: <1268300950.6785.27.camel@marge.simson.net> References: <1268300950.6785.27.camel@marge.simson.net> Content-Type: text/plain Date: Thu, 11 Mar 2010 11:04:50 +0100 Message-Id: <1268301890.6785.50.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.53000000000000003 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org sched: remove AFFINE_WAKEUPS feature Disabling affine wakeups is too horrible to contemplate. Remove it. Signed-off-by: Mike Galbraith Cc: Ingo Molnar Cc: Peter Zijlstra LKML-Reference: --- kernel/sched_fair.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) Index: linux-2.6/kernel/sched_fair.c =================================================================== --- linux-2.6.orig/kernel/sched_fair.c +++ linux-2.6/kernel/sched_fair.c @@ -1433,8 +1433,7 @@ static int select_task_rq_fair(struct ta int sync = wake_flags & WF_SYNC; if (sd_flag & SD_BALANCE_WAKE) { - if (sched_feat(AFFINE_WAKEUPS) && - cpumask_test_cpu(cpu, &p->cpus_allowed)) + if (cpumask_test_cpu(cpu, &p->cpus_allowed)) want_affine = 1; new_cpu = prev_cpu; }