Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757280AbZJJKNA (ORCPT ); Sat, 10 Oct 2009 06:13:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755963AbZJJKM7 (ORCPT ); Sat, 10 Oct 2009 06:12:59 -0400 Received: from casper.infradead.org ([85.118.1.10]:46625 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755680AbZJJKM6 (ORCPT ); Sat, 10 Oct 2009 06:12:58 -0400 Subject: Re: [PATCH RFC] sched: add notifier for process migration From: Peter Zijlstra To: Jeremy Fitzhardinge Cc: Avi Kivity , Ingo Molnar , Linux Kernel Mailing List , Thomas Gleixner , Andi Kleen , "H. Peter Anvin" In-Reply-To: <4AD055B3.8070705@goop.org> References: <4ACFA4C5.4020607@goop.org> <1255125738.7439.17.camel@laptop> <4ACFBC98.4070701@goop.org> <1255158863.7866.25.camel@twins> <4AD04E50.7060001@redhat.com> <1255166662.7866.28.camel@twins> <4AD055B3.8070705@goop.org> Content-Type: text/plain Date: Sat, 10 Oct 2009 12:12:08 +0200 Message-Id: <1255169528.7521.3.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 686 Lines: 18 On Sat, 2009-10-10 at 02:36 -0700, Jeremy Fitzhardinge wrote: > On 10/10/09 02:24, Peter Zijlstra wrote: > > Is that a real issue? If its not supported by the early hardware virt > > chips, tough luck, they sucked anyway :-) > > > > Nehalem is the first Intel chip to support it, and Xen doesn't rely on > hardware virt support anyway. Ah, nehalem is too limited indeed :-/ A well, look at set_task_cpu(): new_rq->nr_migrations_in++; -- 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/