| Date | Wed, 20 May 2020 14:16:21 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v30 01/20] x86/cpufeatures: x86/msr: Add Intel SGX hardware bits |
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On Fri, May 15, 2020 at 03:43:51AM +0300, Jarkko Sakkinen wrote: > From: Sean Christopherson <sean.j.christopherson@intel.com> > > 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.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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