From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754660AbZKVMLR (ORCPT ); Sun, 22 Nov 2009 07:11:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751655AbZKVMLQ (ORCPT ); Sun, 22 Nov 2009 07:11:16 -0500 Received: from mail.gmx.net ([213.165.64.20]:41671 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751479AbZKVMLP (ORCPT ); Sun, 22 Nov 2009 07:11:15 -0500 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX19rxC8kZ4NrJKtksjHbShiGvEckzDN0qfCr0c6ogP FLCS2rNT0gMS2X Subject: [patch] sched: add the other missing clock update to migrate_task() From: Mike Galbraith To: Peter Zijlstra , Ingo Molnar Cc: LKML Content-Type: text/plain Date: Sun, 22 Nov 2009 13:11:19 +0100 Message-Id: <1258891879.14325.36.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: 0.58 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org sched: add the other missing clock update to migrate_task() When calling set_task_cpu(), we must update both runqueue clocks in order to get an accurate clock offset. Add it. Signed-off-by: Mike Galbraith Cc: Ingo Molnar Cc: Peter Zijlstra LKML-Reference: --- kernel/sched.c | 1 + 1 file changed, 1 insertion(+) Index: linux-2.6/kernel/sched.c =================================================================== --- linux-2.6.orig/kernel/sched.c +++ linux-2.6/kernel/sched.c @@ -2126,6 +2126,7 @@ migrate_task(struct task_struct *p, int */ if (!p->se.on_rq && !task_running(rq, p)) { update_rq_clock(rq); + update_rq_clock(cpu_rq(dest_cpu)); set_task_cpu(p, dest_cpu); return 0; }