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.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
