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Re: [Xen-devel] [PATCH for-4.7] xen/hvm: Fix advertisment of available xstates following c/s c52319642



On Mon, Jun 13, 2016 at 03:48:45AM -0600, Jan Beulich wrote:
> >>> On 10.06.16 at 20:17, <andrew.cooper3@xxxxxxxxxx> wrote:
> > PKU lives in CPUID.7[0].ECX, not EBX.  This causes hardware with BMI1 to
> > accidentally advertise PKU in CPUID.0xD[0].EAX.  Any OS which proceeds to
> > blindly write this into %xcr0 takes a #GP fault.  (Experimentally, Windows
> > Vista 32bit falls into this category.)
> > 
> > Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> 
> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
> 

Pushed to staging and staging-4.7.

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