On (Mon) 13 Feb 2012 [11:07:27], Marcelo Tosatti wrote:
>
> Upon resume from hibernation, CPU 0's hvclock area contains the old
> values for system_time and tsc_timestamp. It is necessary for the
> hypervisor to update these values with uptodate ones before the CPU uses
> them.
>
> Abstract TSC's save/restore sched_clock_state functions and use
> restore_state to write to KVM_SYSTEM_TIME MSR, forcing an update.
>
> Also move restore_sched_clock_state before __restore_processor_state,
> since the later calls CONFIG_LOCK_STAT's lockstat_clock (also for TSC).
> Thanks to Igor Mammedov for tracking it down.
>
> Fixes suspend-to-disk with kvmclock.
>
> Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com>
This works fine, thanks.
Tested-by: Amit Shah <amit.s...@redhat.com>
Amit
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
