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Subject: Re: [RFC PATCH] KVM: x86: Allow Qemu/KVM to use PVH entry point
To:     Maran Wilson <maran.wilson@oracle.com>, boris.ostrovsky@oracle.com,
        jgross@suse.com, tglx@linutronix.de, mingo@redhat.com,
        hpa@zytor.com, x86@kernel.org, xen-devel@lists.xenproject.org,
        linux-kernel@vger.kernel.org, roger.pau@citrix.com,
        rkrcmar@redhat.com, JBeulich@suse.com, andrew.cooper3@citrix.com,
        kvm@vger.kernel.org
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From:   Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <b964c95d-8698-7dbb-648b-6d494eecd30b@redhat.com>
Date:   Wed, 29 Nov 2017 18:16:14 +0100
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On 29/11/2017 18:14, Maran Wilson wrote:
> That is one option. I guess this gets into a discussion about the QEMU
> side of the upcoming patches that would follow ...
> 
> I'm currently just initializing the CPU state in QEMU for testing since
> there is such minimal (non Linux specific) setup that is required by the
> ABI.  And (borrowing from the Intel clear container patches) that VM
> setup is only performed when user selects the "nofw" option with the q35
> model. But yeah, if folks think it important to move all such machine
> state initialization out of QEMU and into an option ROM, I can look into
> coding it up that way for the QEMU patches.

Yes, please do an option ROM.  I'll take care of porting it to qboot.

Thanks,

Paolo

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