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Re: [Xen-devel] [PATCH 2/2] x86/emul: Avoid #UD when emulating v{, u}comis{s, d}

To: "Andrew Cooper" <andrew.cooper3@xxxxxxxxxx>
From: "Jan Beulich" <JBeulich@xxxxxxxx>
Date: Wed, 08 Mar 2017 01:30:07 -0700
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxx>
Delivery-date: Wed, 08 Mar 2017 08:30:17 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

>>> On 08.03.17 at 00:32, <andrew.cooper3@xxxxxxxxxx> wrote:
> v{,u}comis{s,d} have two operands, so require vex.reg set to ~0.
> 
> Spotted by AFL
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

I'm sorry for the oversight.

Jan


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References:
- [Xen-devel] [PATCH 1/2] break
  - From: Andrew Cooper
- [Xen-devel] [PATCH 2/2] x86/emul: Avoid #UD when emulating v{, u}comis{s, d}
  - From: Andrew Cooper

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