On Thu, 2007-05-24 at 20:10 +0800, Avi Kivity wrote:
> The following patchset makes kvm more robust wrt cpu hotunplug, and
> makes suspend-to-ram actually work. Suspend-to-disk benefits from
> the cpu hotunplug improvements as well.
>
> The major issue is that KVM wants to disable the virtualization
> extensions at a point in time when no user processes are schedulable
> on the victim cpu. No current notifier exists, so a new one,
> CPU_DYING,
> is added for the purpose.
>
> Should there be no objections, I will submit this patchset for
> inclusion
> in 2.6.22, and backport it to 2.6.21.stable.
Is it possible disabling kvm can be done at the begining of play_dead?
take_cpu_done is designed to run fast.
Thanks,
Shaohua
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