From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rik van Riel Subject: Re: [PATCH 3/7] KVM-HV: KVM Steal time implementation Date: Tue, 14 Jun 2011 08:20:57 -0400 Message-ID: <4DF75229.701@redhat.com> References: <1308007897-17013-1-git-send-email-glommer@redhat.com> <1308007897-17013-4-git-send-email-glommer@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Jeremy Fitzhardinge , Peter Zijlstra , Avi Kivity , Anthony Liguori , Eric B Munson To: Glauber Costa Return-path: In-Reply-To: <1308007897-17013-4-git-send-email-glommer@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 06/13/2011 07:31 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 > CC: Anthony Liguori > CC: Eric B Munson Acked-by: Rik van Riel -- All rights reversed