Re: [PATCH 1/2] KVM: SEV: Return appropriate error codes if SEV-ES scratch setup fails

[Tom Lendacky]

On 11/11/21 9:47 AM, Paolo Bonzini wrote:
> On 11/11/21 16:14, Tom Lendacky wrote:
> > > Return appropriate error codes if setting up the GHCB scratch area for an
> > > SEV-ES guest fails.  In particular, returning -EINVAL instead of -ENOMEM
> > > when allocating the kernel buffer could be confusing as userspace would
> > > likely suspect a guest issue.
> >
> > Based on previous feedback and to implement the changes to the GHCB 
> > specification, I'm planning on submitting a patch that will return an 
> > error code back to the guest, instead of terminating the guest, if the 
> > scratch area fails to be setup properly. So you could hold off on this 
> > patch if you want.
>
> I think we still want these two patches in 5.16.

Ok, I'll rebase my changes on top of these then once you push them.

Thanks,
Tom

> Paolo