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Re: [Xen-devel] [PATCH] x86emul: properly refuse LOCK on most 0FC7 insns

To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date: Wed, 27 Sep 2017 15:01:39 +0100
Delivery-date: Wed, 27 Sep 2017 14:02:59 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 22/09/17 10:02, Jan Beulich wrote:
> When adding support for RDRAND/RDSEED/RDPID I didn't remember to also
> update this special early check. Make it (hopefully) future-proof by
> also refusing VEX-encodings.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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References:
- [Xen-devel] [PATCH] x86emul: properly refuse LOCK on most 0FC7 insns
  - From: Jan Beulich

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