Re: [Xen-devel] [PATCH] libxl: allow to enable/disable cpuid bits

[Christoph Egger <Christoph.Egger@xxxxxxx>]

On 11/02/11 11:20, Tim Deegan wrote:
> At 10:23 +0100 on 02 Nov (1320229392), Christoph Egger wrote:
> > On 11/01/11 20:07, Ian Jackson wrote:
> > > Christoph Egger writes ("[Xen-devel] [PATCH] libxl: allow to
> > > enable/disable cpuid bits"):
> > > > Allow to enable/disable SVM specific cpuid bits
> > > > in the guest config file via cpuid config option.
> > > > Also allow to enable/disable the hypervisor cpuid bit
> > > > in the guest config file. We need to disable the
> > > > hypervisor cpuid bit to get Hyper-V going.
> > > The change itself looks plausible to me.  However I don't know much
> > > about cpuid; can you get an ack from a hypervisor maintainer or an
> > > suitable expert ?
> > Keir? Tim?
> I think the hypervisor bit should be given a better name than 'raz' --
> although it is read-as-zero on real hardware that doesn't distinguish it
> from other raz bits, or describe what it does.
>
> 'hypervisor' maybe, to match 'X86_FEATURE_HYPERVISOR' elsewhere in the
> Xen code?
>
> With that change, Acked-by: Tim Deegan<tim@xxxxxxx>
New version with that change attached.

Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>


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Attachment: xen_tools_libxl_cpuid.diff
Description: xen_tools_libxl_cpuid.diff

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