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Re: [PATCH RFC] target/i386: Add Intel CPU model versions supporting 'xs


From: Wen Pu
Subject: Re: [PATCH RFC] target/i386: Add Intel CPU model versions supporting 'xsaves'
Date: Thu, 8 Apr 2021 12:59:32 +0000

On 2021/4/7 23:43, 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 Intel CPUs
> lack 'xsaves' is likely outdated.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
> ---
> The only CPU model where I keep the original comment and don't add
> a version supporting 'xsaves' is "Hygon Dhyana" as I don't know much
> about it.

Hi Vitaly,

Hygon Dhyana supports 'xsaves', could you please add a version supporting
'xsaves' for Hygon "Dhyana"?

Thanks.

-- 
Regards,
Pu Wen

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