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Re: [Xen-devel] [PATCH for-4.8] x86/emul: Reject LGDT/LIDT attempts with non-canonical base addresses

To: Jan Beulich <JBeulich@xxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Thu, 3 Nov 2016 10:43:19 +0000
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxx>
Delivery-date: Thu, 03 Nov 2016 10:43:28 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Wed, Nov 02, 2016 at 09:42:33AM -0600, Jan Beulich wrote:
> >>> On 02.11.16 at 15:52, <andrew.cooper3@xxxxxxxxxx> wrote:
> > No sane OS would deliberately try this, but make Xen's emulation match real
> > hardware by delivering #GP(0), rather than suffering a VMEntry failure.
> > 
> > Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> 
> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

Release-acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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References:
- [Xen-devel] [PATCH for-4.8] x86/emul: Reject LGDT/LIDT attempts with non-canonical base addresses
  - From: Andrew Cooper
- Re: [Xen-devel] [PATCH for-4.8] x86/emul: Reject LGDT/LIDT attempts with non-canonical base addresses
  - From: Jan Beulich

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