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Re: [PATCH v11] x86emul: support LKGS
- To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Mon, 11 May 2026 13:26:41 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Teddy Astie <teddy.astie@xxxxxxxxxx>
- Delivery-date: Mon, 11 May 2026 12:27:08 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 20/04/2026 3:07 pm, Jan Beulich wrote:
> Provide support for this insn, which is a prereq to FRED. CPUID-wise,
> while its and FRED's enumerators were already introduced, their dependency
> still needs adding.
>
> While adding a testcase, also add a SWAPGS one. In order to not affect
> the behavior of pre-existing tests, install write_{segment,msr} hooks
> only transiently.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
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