Re: [Xen-devel] [PATCH v7 7/7] KVM: x86: Allow Qemu/KVM to use PVH entry point

[Juergen Gross <jgross@xxxxxxxx>]

On 17/04/18 01:13, 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 enables Qemu to use that same entry point for booting KVM
> guests.
> 
> Signed-off-by: Maran Wilson <maran.wilson@xxxxxxxxxx>
> Suggested-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Suggested-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Tested-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

Reviewed-by: Juergen Gross <jgross@xxxxxxxx>

You might want to send a follow-up patch to rename the functions in
arch/x86/platform/pvh/* from xen_* to pvh_*.


Juergen

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