On Mon, Apr 03, 2023, Paolo Bonzini wrote: > On 4/3/23 17:24, Sean Christopherson wrote: > > An alternative would be to force emulation when using KVM, but KVM doesn't currently > > emulating pcommit (deprecated by Intel), clwb, or any of the fence instructions > > (at least, not afaict; I'm somewhat surprised *fence isn't "required"). > > > > diff --git a/x86/unittests.cfg b/x86/unittests.cfg > > index f324e32d..5afb5dad 100644 > > --- a/x86/unittests.cfg > > +++ b/x86/unittests.cfg > > @@ -185,6 +185,7 @@ arch = x86_64 > > [memory] > > file = memory.flat > > +accel = tcg > > extra_params = -cpu max > > arch = x86_64 > > > > I think we should just drop the "CPUID bit non-present" case. Oh, yeah, that's even better.
