Re: [Xen-devel] [PATCH] Xen/MCE: adjust for future new vMCE model

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 05.07.12 at 05:03, "Liu, Jinsong" <jinsong.liu@xxxxxxxxx> wrote:
> Jan Beulich wrote:
>> Also I seem to recall that there was going to be a need to
>> save/restore MCi_CTL2, but there's nothing being done in that
>> direction.
> 
> Yes, but that would be done at new vMCE.
> Current vMCE didn't enable MCG_CMCI_P, and MCi_CTL2 are not used, so we 
> don't save/restore MCi_CTL2 at this version.

But _that_ is the major save/restore related issue to be
addressed, at least if backward migration (4.2 -> 4.1) is also
to be working reasonably. If such compatibility is entirely
unneeded, then I agree that it likely doesn't need any
consideration at this point.

Jan


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