On Wed, May 20, 2020 at 02:16:21PM +0200, Borislav Petkov wrote: > On Fri, May 15, 2020 at 03:43:51AM +0300, Jarkko Sakkinen wrote: > > From: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> > > > > Add X86_FEATURE_SGX from CPUID.(EAX=7, ECX=1), which informs whether the > > CPU has SGX. > > > > Add X86_FEATURE_SGX1 and X86_FEATURE_SGX2 from CPUID.(EAX=12H, ECX=0), > > which describe the level of SGX support available [1]. > > > > Remap CPUID.(EAX=12H, ECX=0) bits to the Linux fake CPUID 8 in order to > > conserve some space. Keep the bit positions intact because KVM requires > > this. Reserve bits 0-7 for SGX in order to maintain this invariant also > > when new SGX specific feature bits get added. > > That paragraph needs dropping now. I dropped it (in my tree). > -- > Regards/Gruss, > Boris. > > https://people.kernel.org/tglx/notes-about-netiquette /Jarkko
