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SubjectRe: [PATCH v3 04/18] x86/intel_rdt: Feature discovery
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On 10/08/2016 10:11 AM, Nilay Vaish wrote:
>> > #define X86_FEATURE_RTM ( 9*32+11) /* Restricted Transactional Memory */
>> > #define X86_FEATURE_CQM ( 9*32+12) /* Cache QoS Monitoring */
>> > #define X86_FEATURE_MPX ( 9*32+14) /* Memory Protection Extension */
>> > +#define X86_FEATURE_RDT_A ( 9*32+15) /* Resource Director Technology Allocation */
>> > #define X86_FEATURE_AVX512F ( 9*32+16) /* AVX-512 Foundation */
>> > #define X86_FEATURE_AVX512DQ ( 9*32+17) /* AVX-512 DQ (Double/Quad granular) Instructions */
>> > #define X86_FEATURE_RDSEED ( 9*32+18) /* The RDSEED instruction */
> I think these #defines are specific to Intel. I would prefer if we
> have _INTEL_ somewhere in them.

While that isn't a horrible idea, it's also not something that we've
enforced at *all* in the past. Would you suggest that we do this only
for features in the generic CPUID leaves, or all features?

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