linux-kernel - Re: [PATCH] KVM: SVM: Do not terminate SEV-ES guests on GHCB validation failure

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Message-ID: <bcb33845-6fff-34c1-9e41-fb611b6f9319@redhat.com>
Date:   Thu, 2 Dec 2021 20:39:56 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Tom Lendacky <thomas.lendacky@....com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, x86@...nel.org
Cc:     Jim Mattson <jmattson@...gle.com>, Joerg Roedel <joro@...tes.org>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Brijesh Singh <brijesh.singh@....com>
Subject: Re: [PATCH] KVM: SVM: Do not terminate SEV-ES guests on GHCB
 validation failure

On 12/2/21 20:39, Tom Lendacky wrote:
>> Queued, thanks.  Though it would have been nicer to split the changes 
>> in the return values (e.g. for setup_vmgexit_scratch and 
>> sev_es_validate_vmgexit) from the introduction of the new GHCB exitinfo.
> 
> I can still do that if it will help make things easier. Let me know.

Well, at this point I've already reviewed it. :)

Paolo