From mboxrd@z Thu Jan  1 00:00:00 1970
From: Borislav Petkov <bp@suse.de>
Subject: Re: [Qemu-devel] [PATCH v8 05/28] target/i386: add memory encryption
 feature cpuid support
Date: Tue, 13 Feb 2018 16:41:51 +0100
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Cc: Brijesh Singh <brijesh.singh@amd.com>,
        Eduardo Habkost <ehabkost@redhat.com>,
        "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>,
        Peter Maydell <peter.maydell@linaro.org>, kvm@vger.kernel.org,
        "Michael S. Tsirkin" <mst@redhat.com>,
        Marcel Apfelbaum <marcel@redhat.com>,
        Markus Armbruster <armbru@redhat.com>,
        Peter Crosthwaite <crosthwaite.peter@gmail.com>,
        Richard Henderson <richard.henderson@linaro.org>,
        qemu-devel@nongnu.org,
        "Dr. David Alan Gilbert" <dgilbert@redhat.com>,
        Christian Borntraeger <borntraeger@de.ibm.com>,
        Alexander Graf <agraf@suse.de>,
        Stefan Hajnoczi <stefanha@gmail.com>,
        Cornelia Huck <cornelia.huck@de.ibm.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Thomas Lendacky <Thomas.Lendacky@amd.com>,
        Alistair Francis <alistair.francis@xilinx.co
To: Brijesh Singh <brijesh.ksingh@gmail.com>
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On Tue, Feb 13, 2018 at 09:39:01AM -0600, Brijesh Singh wrote:
> Yes, I think we should be able to avoid creating new CPU model to
> handle this case. I am leaning towards dropping this patch and
> implement logic to populate the CPUID 0x8000_001F only when SEV is
> enabled. This should not require any changes in existing CPU model
> feature flag and live migration of existing guest should work fine.

That sounds even nicer.

Thx.

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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