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Re: [Xen-devel] [PATCH 4/4] x86/vvmx: Don't call vmsucceed() at the end of virtual_vmexit()

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date: Thu, 15 Nov 2018 16:12:49 +0100
Cc: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxx>, Jun Nakajima <jun.nakajima@xxxxxxxxx>
Delivery-date: Thu, 15 Nov 2018 15:17:21 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Thu, Nov 15, 2018 at 01:52:50PM +0000, Andrew Cooper wrote:
> This ends up corrupting L1's view of RFLAGS by setting ZF.  The correct value
> is established earlier in the function.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

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References:
- [Xen-devel] [PATCH 0/4] x86/vvmx: Misc fixes
  - From: Andrew Cooper
- [Xen-devel] [PATCH 4/4] x86/vvmx: Don't call vmsucceed() at the end of virtual_vmexit()
  - From: Andrew Cooper

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