On Tue, Feb 27, 2018 at 04:28:30PM +0000, Andrew Cooper wrote: > Instead of printing REZ, use NULL pointers to indicate missing information, > and have dump_leaf() print out the bit which is unknown. > > E.g. > > .... > Dynamic sets: > Raw > 178bfbff:fed8320b:2fd3fbff:35c233ff:0000000f:209c01a9:00000000:00006799:00001007:00000000 > [00] 0x00000001.edx fpu vme de pse tsc msr pae mce cx8 apic sysenter > mtrr pge ... > [01] 0x00000001.ecx sse3 pclmulqdq monitor ssse3 fma cx16 sse41 sse42 > movebe ... > [02] 0x80000001.edx fpu vme de pse tsc msr pae mce cx8 apic syscall > mtrr pge ... > [03] 0x80000001.ecx lahf_lm cmp svm extapic cr8d lzcnt sse4a msse > 3dnowpf osvw ... > [04] 0x0000000d:1.eax xsaveopt xsavec xgetbv1 xsaves > [05] 0x00000007:0.ebx fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap > clflushopt sha > [06] 0x00000007:0.ecx > [07] 0x80000007.edx <BIT0> <BIT3> <BIT4> <BIT7> itsc <BIT9> efro > <BIT13> <BIT14> > [08] 0x80000008.ebx clzero <BIT1> <BIT2> ibpb > [09] 0x00000007:0.edx > ... > > which is the output on an AMD EPYC system, where Xen doesn't know about, and > has therefore masked, most of the more advanced thermal/perf features. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> > --- > CC: Jan Beulich <jbeul...@suse.com> > CC: Ian Jackson <ian.jack...@eu.citrix.com> > CC: Wei Liu <wei.l...@citrix.com> > > Hey look - I've finally got back to some CPUID work...
Acked-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
