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Re: [Xen-devel] [PATCH v3 3/4] xen/hvm: introduce a fpu_uninitialised field to the CPU save record

To: Roger Pau Monne <roger.pau@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date: Fri, 20 Nov 2015 14:35:46 +0000
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Delivery-date: Fri, 20 Nov 2015 14:35:52 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 18/11/15 16:37, Roger Pau Monne wrote:
> Introduce a new field to signal if the FPU has been initialised or not. Xen
> needs this new field in order to know whether to set the FPU as initialised
> or not during restore of CPU context. Previously Xen always wrongly assumed
> the FPU was initialised on restore.
>
> Signed-off-by: Roger Pau MonnÃ <roger.pau@xxxxxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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

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References:
- [Xen-devel] [PATCH v3 0/4] Introduce a fpu_initilised field to HVM CPU context
  - From: Roger Pau Monne
- [Xen-devel] [PATCH v3 3/4] xen/hvm: introduce a fpu_uninitialised field to the CPU save record
  - From: Roger Pau Monne

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