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xen-devel
Re: [Xen-devel] new_ctxt_format in xc_linux_restore?
On 21/5/07 06:37, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote:
> Guess following lines as typo since new context format is used to
> support fast suspend with online vcpu context saved in image file:
>
> if ( !new_ctxt_format ) <--- Opposite should be used here???
> ctxt.flags |= VGCF_online;
>
> Or do I misunderstand save/restore logic? Also interested why
> smp restore works if a true typo above. :-)
It's the right way round. Old images may not include the VGCF_online flag
(since it is a new flag). Since old images only ever include one saved VCPU,
and that VCPU is never offline, we just poke that flag in.
-- Keir
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