Messages in this thread | | | Subject | Re: [PATCH 05/26] x86, pkey: add PKRU xsave fields and data structure(s) | From | Dave Hansen <> | Date | Tue, 22 Sep 2015 12:58:49 -0700 |
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On 09/22/2015 12:53 PM, Thomas Gleixner wrote: > On Wed, 16 Sep 2015, Dave Hansen wrote: >> --- a/arch/x86/kernel/fpu/xstate.c~pkeys-03-xsave 2015-09-16 10:48:13.340060126 -0700 >> +++ b/arch/x86/kernel/fpu/xstate.c 2015-09-16 10:48:13.344060307 -0700 >> @@ -23,6 +23,8 @@ static const char *xfeature_names[] = >> "AVX-512 opmask" , >> "AVX-512 Hi256" , >> "AVX-512 ZMM_Hi256" , >> + "unknown xstate feature (8)" , > > It's not unknown. It's PT, right?
Yes, it's the Processor Trace state.
I'll give it a real name and also a comment about it being unused.
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