Re: [Qemu-devel] [PATCH v4 0/2] Support CPUID signature for TCG

[Richard Henderson]

On 05/09/2017 07:13 AM, Richard W.M. Jones wrote:
> On Tue, May 09, 2017 at 07:05:51AM -0700, Richard Henderson wrote:
> > > Daniel P. Berrange (2):
> > >    i386: rewrite way CPUID index is validated
> > >    i386: expose "TCGTCGTCGTCG" in the 0x40000000 CPUID leaf
> >
> > I probably should have commented earlier but...  what's the point?
> >
> > If you want the guest os to actually do anything with this, what do
> > you gain for advertising TCG over KVM?
>
> I can see this being useful from virt-what, since it would allow
> vendors to diagnose problems being caused by TCG ...

Thanks, that's an excellent point.


r~