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Re: [Xen-devel] [PATCH 02/10] x86/gen-cpuid: Clarify the intended meaning of AVX wrt feature dependencies
>>> On 21.02.17 at 18:42, <andrew.cooper3@xxxxxxxxxx> wrote:
> On 21/02/17 17:17, Jan Beulich wrote:
>>>>> On 21.02.17 at 18:12, <andrew.cooper3@xxxxxxxxxx> wrote:
>>> Which particular feature groups? I could extend that text to say
>>>
>>> "VEX/XOP-encoded GPR instructions, such as those from the BMI{1,2} and
>>> $X sets..."
>> TBM and LWP.
>
> Ok. Final text reads:
>
> # AVX is not taken to mean support for the VEX prefix itself (nor XOP
> # for the XOP prefix). VEX/XOP-encoded GPR instructions, such as
> # those from the BMI{1,2}, TBM and LWP sets function fine in the
> # absence of any enabled xstate.
Thanks, looks good.
Jan
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