linux-kernel - Re: [PATCH] KVM: SVM: Mark SEV launch secret pages as dirty.

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Message-ID: <alpine.DEB.2.23.453.2008071055220.2136128@chino.kir.corp.google.com>
Date:   Fri, 7 Aug 2020 10:55:32 -0700 (PDT)
From:   David Rientjes <rientjes@...gle.com>
To:     Cfir Cohen <cfir@...gle.com>
cc:     "kvm @ vger . kernel . org" <kvm@...r.kernel.org>,
        Lendacky Thomas <thomas.lendacky@....com>,
        Singh Brijesh <brijesh.singh@....com>,
        Grimm Jon <Jon.Grimm@....com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: SVM: Mark SEV launch secret pages as dirty.

On Thu, 6 Aug 2020, Cfir Cohen wrote:

> The LAUNCH_SECRET command performs encryption of the
> launch secret memory contents. Mark pinned pages as
> dirty, before unpinning them.
> This matches the logic in sev_launch_update().
> 
> Signed-off-by: Cfir Cohen <cfir@...gle.com>

Acked-by: David Rientjes <rientjes@...gle.com>