On Tue, Apr 22, 2014 at 08:26:36PM -0400, Paolo Bonzini wrote:
> Il 22/04/2014 15:10, Marcelo Tosatti ha scritto:
> >+ case 0x80000007:
> >+ *eax = 0;
> >+ *ebx = 0;
> >+ *ecx = 0;
> >+
> >+ if (kvm_enabled()) {
> >+ *edx = env->features[FEAT_8000_0007_EDX];
> >+ } else {
> >+ *edx = 0;
> >+ }
>
> I think TCG is able to eliminate unsupported features too before they
> get in env->features[]. Or are those patches not in yet? Eduardo?
They are not in yet, but while they are not included this filtering
(based on TCG_*_FEATURES macros) should be done in the !kvm_enabled()
block of x86_cpu_realizefn().
--
Eduardo
