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xen-devel
Re: [Xen-devel] [PATCH 0 of 3] Remus: control tool
On 12/02/09 10:25, Keir Fraser wrote:
> From the tools p.o.v. the restore has finished when it kicks off execution
> of the guest. It's not that hard to handle this in the guest; you just need
> to do it. ;-)
Well, I think that just happens at the moment; the suspend is happening
from the xenstore watch thread, so there's no way it will even notice a
subsequent attempt until the suspend/resume cycle is done.
When we start triggering suspends from event channels, I'd suggest
something along the lines of wrapping the whole thing in a big fat
suspend mutex, and running the suspend from a workqueue triggered from
the interrupt or watch handler. And then deal with all the edge cases.
J
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