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Re: [Xen-devel] [PATCH] x86/cpuid: fix dom0 crash on skylake machine



On Wed, 2016-06-01 at 02:49 -0600, Jan Beulich wrote:
> >>> On 01.06.16 at 07:54, <huaitong.han@xxxxxxxxx> wrote:
> > On Wed, 2016-06-01 at 12:58 +0800, Luwei Kang wrote:
> >> CPUID.0XD.0X0.EAX is from machine value for dom0, and dom0 kernel will 
> >> xsetbv
> >> with xfeatures_mask that is from CPUID.0XD.0X0.EAX, but handle_xsetbv has
> >> ingored XSTATE_PKRU with hardware protection fault emulation, so dom0 
> >> kernel
> >> will crash on skylake machine with PKRU support.
> >> 
> >> Signed-off-by: Luwei Kang <luwei.kang@xxxxxxxxx>
> > Signed-off-by: Huaitong Han <huaitong.han@xxxxxxxxx>
> 
> I don't understand this: Did you mean Reviewed-by? Or else did
> Luwei forget to mention your co-authorship (albeit co-authoring
> on this small a patch seems unlikely), or the patch having flown
> from you to him or the other way around?
Reviewed-by: Huaitong Han <huaitong.han@xxxxxxxxx>
> 
> Jan
> 

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