Re: [Xen-devel] Supporting consistency of vcpu_runstate_info across cpus

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Thu, 19 May 2016, Juergen Gross wrote:
> On 19/05/16 12:48, Stefano Stabellini wrote:
> > On Thu, 19 May 2016, Jan Beulich wrote:
> >>>>> On 19.05.16 at 12:40, <sstabellini@xxxxxxxxxx> wrote:
> >>> On Thu, 19 May 2016, Juergen Gross wrote:
> >>>>> Alternatively, the easiest way will probably be to add a new VMASSIST,
> >>>>> which allows the guest to opt into the new behaviour.
> >>>>
> >>>> Aah, nice. Yes, this seems to be a sensible option.
> >>>
> >>> If you are referring to VM_ASSIST, it is only available on x86. I
> >>> suggest we use a feature flag instead.
> >>
> >> A feature flag can only be checked by the guest, not set. How
> >> about enabling VMASSIST for ARM?
> > 
> > Sure
> 
> Stefano, if you want I can do this when adding the VMASSIST option.

That would be great

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