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xen-devel
RE: [Xen-devel] resume of HVM guest without PV drivers
>>> "James Harper" <james.harper@xxxxxxxxxxxxxxxx> 07.08.09 11:50 >>>
>>
>> Does a HVM guest without PV drivers have any way to know it got
resumed
>> after a migration or save/restore cycle?
>>
>
>I don't think so, but why do you want to do this?
>
>Do you want to have a service or some other software that polls or
>something and says "a suspend or resume has happened since last poll"?
See my other reply - the goal is to have a way to yield the CPU from the
spinlock contention path if I know (or better, can be reasonably sure) the
lock owner isn't currently executing.
Jan
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