Re: [PATCH v33 02/21] x86/cpufeatures: x86/msr: Add Intel SGX Launch Control hardware bits

Borislav Petkov
2020-06-24T13:04:43Z

On Thu, Jun 18, 2020 at 01:08:24AM +0300, Jarkko Sakkinen wrote:
> From: Sean Christopherson <sean.j.christopherson@intel.com>
>
> Add X86_FEATURE_SGX_LC, which informs whether or not the CPU supports SGX
> Launch Control.
>
> Add MSR_IA32_SGXLEPUBKEYHASH{0, 1, 2, 3}, which when combined contain a
> SHA256 hash of a 3072-bit RSA public key. SGX backed software packages, so
> called enclaves, are always signed. All enclaves signed with the public key
> are unconditionally allowed to initialize. [1]
>
> Add FEATURE_CONTROL_SGX_LE_WR bit of the feature control MSR, which informs

LE_WR or LC_ENABLED?

With that addressed:

Reviewed-by: Borislav Petkov <bp@suse.de>

--
Regards/Gruss,
Boris.