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Date: Thu, 11 Nov 2021 09:56:54 -0600 From: Tom Lendacky <thomas.lendacky@....com> To: Paolo Bonzini <pbonzini@...hat.com>, Sean Christopherson <seanjc@...gle.com> Cc: Vitaly Kuznetsov <vkuznets@...hat.com>, Wanpeng Li <wanpengli@...cent.com>, Jim Mattson <jmattson@...gle.com>, Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/2] KVM: SEV: Return appropriate error codes if SEV-ES scratch setup fails 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 >
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