Re: [PATCH 3/4] KVM: x86: SVM: use vmcb01 in avic_init_vmcb

From: Maxim Levitsky
Date: Tue Mar 15 2022 - 08:27:57 EST


On Wed, 2022-03-09 at 16:48 +0100, Paolo Bonzini wrote:
> On 3/1/22 18:25, Maxim Levitsky wrote:
> > > I don't like this change. It's not bad code, but it'll be confusing because it
> > > implies that it's legal for svm->vmcb to be something other than svm->vmcb01.ptr
> > > when this is called.
> > Honestly I don't see how you had reached this conclusion.
> >
> > I just think that code that always works on vmcb01
> > should use it, even if it happens that vmcb == vmcb01.
> >
> > If you insist I can drop this patch or add WARN_ON instead,
> > I just think that this way is cleaner.
> >
>
> I do like the patch, but you should do the same in init_vmcb() and
> svm_hv_init_vmcb() as well.

I will do this.
Thanks!

Best regards,
Maxim Levitsky
>
> Paolo
>