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Re: [Xen-devel] [PATCH for-next] x86/VT-x: Don't use rdmsr() to fill HOST_SYSENTER_{CS, EIP}

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Fri, 20 Oct 2017 16:55:23 +0100
Cc: Kevin Tian <kevin.tian@xxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Jun Nakajima <jun.nakajima@xxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxx>
Delivery-date: Fri, 20 Oct 2017 15:55:29 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Fri, Oct 20, 2017 at 03:01:30PM +0100, Andrew Cooper wrote:
> These are compile-time constants, and don't need to be read back from
> hardware.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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

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References:
- [Xen-devel] [PATCH for-next] x86/VT-x: Don't use rdmsr() to fill HOST_SYSENTER_{CS, EIP}
  - From: Andrew Cooper

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