> > --- a/xen/include/public/arch-x86/cpufeatureset.h > > +++ b/xen/include/public/arch-x86/cpufeatureset.h > > @@ -215,6 +215,7 @@ XEN_CPUFEATURE(SMAP, 5*32+20) /*S Supervisor > > Mode Access Prevention */ > > XEN_CPUFEATURE(AVX512IFMA, 5*32+21) /*A AVX-512 Integer Fused Multiply > > Add */ > > XEN_CPUFEATURE(CLFLUSHOPT, 5*32+23) /*A CLFLUSHOPT instruction */ > > XEN_CPUFEATURE(CLWB, 5*32+24) /*A CLWB instruction */ > > +XEN_CPUFEATURE(IPT, 5*32+25) /*H Intel Processor Trace */ > > Btw - introducing the feature flag here is certainly fine, but I think you > should add the H annotation only once functionality is > complete. That would then e.g. also reduce the impact of patch 8 adding > functionality otherwise strictly necessary already in patch > 7.
Sorry, not full understand here. Do you mean I need expose this feature to guest after all is ready? That is move this patch after patch 7,8 ? Thanks, Luwei Kang _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
