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Re: [Xen-devel] [PATCH v3 2/6] x86: disable XPTI when RDCL_NO

To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date: Thu, 15 Mar 2018 15:54:25 +0000
Cc: Juergen Gross <jgross@xxxxxxxx>
Delivery-date: Thu, 15 Mar 2018 16:11:15 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 13/03/18 13:48, Jan Beulich wrote:
> Use the respective ARCH_CAPABILITIES MSR bit, but don't expose the MSR
> to guests yet.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> Tested-by: Juergen Gross <jgross@xxxxxxxx>
> Reviewed-by: Juergen Gross <jgross@xxxxxxxx>

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

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References:
- [Xen-devel] [PATCH v3 0/6] x86: Meltdown band-aid overhead reduction
  - From: Jan Beulich
- [Xen-devel] [PATCH v3 2/6] x86: disable XPTI when RDCL_NO
  - From: Jan Beulich

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