[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] target/i386: Add CPU model versions supporting 'xsaves'
From: |
Eduardo Habkost |
Subject: |
Re: [PATCH] target/i386: Add CPU model versions supporting 'xsaves' |
Date: |
Tue, 13 Apr 2021 15:39:10 -0400 |
On Mon, Apr 12, 2021 at 09:39:52AM +0200, Vitaly Kuznetsov wrote:
> Hyper-V 2016 refuses to boot on Skylake+ CPU models because they lack
> 'xsaves'/'vmx-xsaves' features and this diverges from real hardware. The
> same issue emerges with AMD "EPYC" CPU model prior to version 3 which got
> 'xsaves' added. EPYC-Rome/EPYC-Milan CPU models have 'xsaves' enabled from
> the very beginning so the comment blaming KVM to explain why other CPUs
> lack 'xsaves' is likely outdated.
>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
I'm queueing this for 6.1. Thanks!
--
Eduardo