[lkml]   [2020]   [May]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v30 01/20] x86/cpufeatures: x86/msr: Add Intel SGX hardware bits
On Fri, May 15, 2020 at 03:43:51AM +0300, Jarkko Sakkinen wrote:
> From: Sean Christopherson <>
> 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.


 \ /
  Last update: 2020-05-20 14:16    [W:0.258 / U:1.396 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site