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RE: [PATCH for-4.17 v2 3/3] amd: remove VIRT_SC_MSR_HVM synthetic feature
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Henry Wang <Henry.Wang@xxxxxxx>
- Date: Wed, 2 Nov 2022 08:45:28 +0000
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- Cc: Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Wed, 02 Nov 2022 08:45:43 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [PATCH for-4.17 v2 3/3] amd: remove VIRT_SC_MSR_HVM synthetic feature
Hi Roger,
> -----Original Message-----
> From: Roger Pau Monne <roger.pau@xxxxxxxxxx>
> Subject: [PATCH for-4.17 v2 3/3] amd: remove VIRT_SC_MSR_HVM synthetic
> feature
>
> Since the VIRT_SPEC_CTRL.SSBD selection is no longer context switched
> on vm{entry,exit} there's no need to use a synthetic feature bit for
> it anymore.
>
> Remove the bit and instead use a global variable.
>
> No functional change intended.
>
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Sorry for the late response.
Release-acked-by: Henry Wang <Henry.Wang@xxxxxxx>
Kind regards,
Henry
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