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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>