Re: [PATCH 2/7] KVM-HDR: KVM Steal time implementation

Rik van Riel
2011-06-14T01:33:38Z

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 headers for it. I am keeping it separate 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<glommer@redhat.com>
> CC: Rik van Riel<riel@redhat.com>
> CC: Jeremy Fitzhardinge<jeremy.fitzhardinge@citrix.com>
> CC: Peter Zijlstra<peterz@infradead.org>
> CC: Avi Kivity<avi@redhat.com>
> CC: Anthony Liguori<aliguori@us.ibm.com>
> CC: Eric B Munson<emunson@mgebm.net>

Acked-by: Rik van Riel <riel@redhat.com>

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