From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754703Ab2GQIWZ (ORCPT ); Tue, 17 Jul 2012 04:22:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34518 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753641Ab2GQIWX (ORCPT ); Tue, 17 Jul 2012 04:22:23 -0400 Message-ID: <500520A8.50106@redhat.com> Date: Tue, 17 Jul 2012 11:22:00 +0300 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1 MIME-Version: 1.0 To: Raghavendra K T CC: "H. Peter Anvin" , Thomas Gleixner , Marcelo Tosatti , Ingo Molnar , Rik van Riel , Srikar , S390 , Carsten Otte , Christian Borntraeger , KVM , chegu vinod , "Andrew M. Theurer" , LKML , X86 , Gleb Natapov , linux390@de.ibm.com, Srivatsa Vaddagiri , Joerg Roedel Subject: Re: [PATCH RFC V4 2/3] kvm: Note down when cpu relax intercepted or pause loop exited References: <20120716082445.23477.15128.sendpatchset@codeblue.in.ibm.com> <20120716082514.23477.23849.sendpatchset@codeblue.in.ibm.com> <5003E682.20909@redhat.com> <50044E58.60905@linux.vnet.ibm.com> In-Reply-To: <50044E58.60905@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/16/2012 08:24 PM, Raghavendra K T wrote: > So are you saying allow vcpu to spin in non over-commit scenarios? So > that we avoid all yield_to etc... > > ( Or even in some other place where it is useful). When is yielding useful, if you're not overcommitted? -- error compiling committee.c: too many arguments to function