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Re: [Xen-devel] [PATCH v2 1/2] x86/hvm: allow guest to use clflushopt and clwb

To: "Zhang, Haozhong" <haozhong.zhang@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date: Tue, 5 Jan 2016 07:02:31 +0000
Accept-language: en-US
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Keir Fraser <keir@xxxxxxx>
Delivery-date: Tue, 05 Jan 2016 07:02:45 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>
Thread-index: AQHRQvhNRiqUTk8bj0GrLNGOPmXu5J7siAcw
Thread-topic: [PATCH v2 1/2] x86/hvm: allow guest to use clflushopt and clwb

> From: Zhang, Haozhong
> Sent: Wednesday, December 30, 2015 7:49 PM
> 
> Pass CPU features CLFLUSHOPT and CLWB into HVM domain so that those two
> instructions can be used by guest.
> 
> The specification of above two instructions can be found in
> https://software.intel.com/sites/default/files/managed/0d/53/319433-022.pdf
> 
> Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx>

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

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