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Re: [Xen-devel] [PATCH v8 0/7] KVM: x86: Allow Qemu/KVM to use PVH entry point
- To: Paolo Bonzini <pbonzini@xxxxxxxxxx>, x86@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, jgross@xxxxxxxx
- From: Maran Wilson <maran.wilson@xxxxxxxxxx>
- Date: Wed, 12 Dec 2018 10:09:38 -0800
- Cc: thomas.lendacky@xxxxxxx, Maran Wilson <maran.wilson@xxxxxxxxxx>, mchehab@xxxxxxxxxx, jpoimboe@xxxxxxxxxx, rkrcmar@xxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, hch@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, rdunlap@xxxxxxxxxxxxx, luto@xxxxxxxxxx, hpa@xxxxxxxxx, boris.ostrovsky@xxxxxxxxxx, bp@xxxxxxx, davem@xxxxxxxxxxxxx, kirill.shutemov@xxxxxxxxxxxxxxx, roger.pau@xxxxxxxxxx
- Delivery-date: Wed, 12 Dec 2018 18:10:25 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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
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