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Re: [Xen-devel] [PATCH v9 0/7] KVM: x86: Allow Qemu/KVM to use PVH entry point
- To: Maran Wilson <maran.wilson@xxxxxxxxxx>, x86@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, pbonzini@xxxxxxxxxx, jgross@xxxxxxxx
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Fri, 14 Dec 2018 18:13:10 -0500
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- Cc: thomas.lendacky@xxxxxxx, mchehab@xxxxxxxxxx, hpa@xxxxxxxxx, rkrcmar@xxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, hch@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, rdunlap@xxxxxxxxxxxxx, luto@xxxxxxxxxx, jpoimboe@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, bp@xxxxxxx, davem@xxxxxxxxxxxxx, kirill.shutemov@xxxxxxxxxxxxxxx, roger.pau@xxxxxxxxxx
- Delivery-date: Fri, 14 Dec 2018 23:14:31 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Openpgp: preference=signencrypt
On 12/10/18 2:05 PM, 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.
>
Applied to for-linus-4.21
-boris
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