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

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Message-ID: <b0443caf-d822-f671-d930-ff317833d701@amd.com>
Date:   Thu, 2 Dec 2021 13:39:09 -0600
From:   Tom Lendacky <thomas.lendacky@....com>
To:     Paolo Bonzini <pbonzini@...hat.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 1:19 PM, Paolo Bonzini wrote:
> On 12/2/21 19:52, 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.

Thanks,
Tom

> 
> Paolo
> 
> Paolo