Re: [PATCH 2/4] kvm: svm: Defer VMSA allocation to LAUNCH_FINISH stage

[Jörg Rödel]

On Tue, Jun 16, 2026 at 04:33:56PM -0500, Tom Lendacky wrote:
> On 6/11/26 07:35, Jörg Rödel wrote:
> > @@ -1209,6 +1215,8 @@ static int __sev_launch_update_vmsa(struct kvm *kvm, struct kvm_vcpu *vcpu,
> >  	if (ret)
> >  		return ret;
> >  
> > +	vmsa_ref = sev_es_vmsa_ref(vcpu);
> 
> Maybe just a comment above this that indicates if the sync was
> successful then a VMSA has been allocated and only now can you get a
> pointer to it ?

Makes sense, added a comment here and to __snp_launch_update_vmsa().

> > -	if (!is_sev_es_guest(vcpu))
> > -		return 0;
> 
> If you leave this here, it might make it easier to add things in the
> future should something be needed. Just tack them on at the bottom. Not
> necessary, though.

Right, that is better, changed it back.

-Joerg