Re: [Xen-devel] [PATCH v2 3/3] Revert "libxc: create an initial FPU state for HVM guests"

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Nov 17, 2015 at 06:44:39PM +0000, Roger Pau Monne wrote:
> This reverts commit d64dbbcc7c9934a46126c59d78536235908377ad:
> 
> Xen always set the FPU as initialized when loading a HVM context, so libxc
> has to provide a valid FPU context when setting the CPU registers.
> 
> This is a stop-gap measure in order to unblock OSSTest Windows 7 failures
> while a proper fix for the HVM CPU save/restore is being worked on.
> 
> This can now be reverted because a proper fix is in place and we can signal
> in the save record whether the FPU is initialized or not.
> 
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: Wei Liu <wei.liu2@xxxxxxxxxx>

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

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