From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754762Ab1A2Bqn (ORCPT ); Fri, 28 Jan 2011 20:46:43 -0500 Received: from mx1.redhat.com ([209.132.183.28]:17752 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752787Ab1A2Bqm (ORCPT ); Fri, 28 Jan 2011 20:46:42 -0500 Message-ID: <4D437179.4070302@redhat.com> Date: Fri, 28 Jan 2011 20:46:33 -0500 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc13 Lightning/1.0b3pre Thunderbird/3.1.7 MIME-Version: 1.0 To: Glauber Costa CC: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, aliguori@us.ibm.com, Jeremy Fitzhardinge , Peter Zijlstra , Avi Kivity Subject: Re: [PATCH v2 2/6] KVM-HV: KVM Steal time implementation References: <1296244340-15173-1-git-send-email-glommer@redhat.com> <1296244340-15173-3-git-send-email-glommer@redhat.com> In-Reply-To: <1296244340-15173-3-git-send-email-glommer@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/28/2011 02:52 PM, Glauber Costa wrote: > To implement steal time, we need the hypervisor to pass the guest information > about how much time was spent running other processes outside the VM. > This is per-vcpu, and using the kvmclock structure for that is an abuse > we decided not to make. > > In this patchset, I am introducing a new msr, KVM_MSR_STEAL_TIME, that > holds the memory area address containing information about steal time > > This patch contains the hypervisor part for it. I am keeping it separate from > the headers to facilitate backports to people who wants to backport the kernel > part but not the hypervisor, or the other way around. > > Signed-off-by: Glauber Costa > CC: Rik van Riel > CC: Jeremy Fitzhardinge > CC: Peter Zijlstra > CC: Avi Kivity Acked-by: Rik van Riel -- All rights reversed