linux-kernel - Re: [PATCH v8 0/7] KVM: x86: Allow Qemu/KVM to use PVH entry point

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Message-ID: <faae2cec-1ff2-74eb-69c8-b75f64cfca3a@oracle.com>
Date:   Wed, 12 Dec 2018 10:09:38 -0800
From:   Maran Wilson <maran.wilson@...cle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>, x86@...nel.org,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, jgross@...e.com
Cc:     boris.ostrovsky@...cle.com, bp@...e.de,
        dave.hansen@...ux.intel.com, davem@...emloft.net,
        gregkh@...uxfoundation.org, hpa@...or.com, jpoimboe@...hat.com,
        kirill.shutemov@...ux.intel.com, luto@...nel.org,
        mchehab@...nel.org, mingo@...hat.com, rdunlap@...radead.org,
        tglx@...utronix.de, thomas.lendacky@....com, hch@...radead.org,
        roger.pau@...rix.com, rkrcmar@...hat.com,
        Maran Wilson <maran.wilson@...cle.com>
Subject: Re: [PATCH v8 0/7] KVM: x86: Allow Qemu/KVM to use PVH entry point

On 12/6/2018 1:21 PM, Paolo Bonzini wrote:
> On 06/12/18 07:02, Maran Wilson wrote:
>> For certain applications it is desirable to rapidly boot a KVM virtual
>> machine. In cases where legacy hardware and software support within the
>> guest is not needed, Qemu should be able to boot directly into the
>> uncompressed Linux kernel binary without the need to run firmware.
>>
>> There already exists an ABI to allow this for Xen PVH guests and the ABI
>> is supported by Linux and FreeBSD:
>>
>>     https://xenbits.xen.org/docs/unstable/misc/pvh.html
>>
>> This patch series would enable Qemu to use that same entry point for
>> booting KVM guests.
> Thanks!  I should be able to post a Tested-by next Monday.  Boris, are
> you going to pick it up for 4.21?

Hi Paolo,

Are you still planning on running some testing of your own for these 
patches? Should Boris wait to hear from you before moving forward?

Thanks,
-Maran

> Paolo