Re: [PATCH v6 04/11] x86: define IA32_FEATUE_CONTROL.SGX_LC

From: Jarkko Sakkinen
Date: Wed Nov 29 2017 - 10:38:29 EST


On Wed, Nov 29, 2017 at 12:21:41AM +0200, Jarkko Sakkinen wrote:
> On Tue, Nov 28, 2017 at 02:00:03PM -0800, Sean Christopherson wrote:
> > What about SGX_LC_ENABLE?  The title in the MSR section of the SDM is
> > "SGX Launch Control Enable", and it's more consistent with the other
> > bits defined in feature control.  I'd also prefer that name for the
> > actual #define too, SGX_LAUNCH_CONTROL_ENABLE is overly verbose IMO.
>
> This is a bit ugly name but it is also very clear:
>
> FEATURE_CONTROL_SGX_LEPUBKEYHASH_WRITE_ENABLE
>
> Just pushed update to the le branch. SGX_LC_ENABLE is a nice short name
> but it does not reflect the semantics.
>
> Maybe we could combine these and name it as
>
> FEATURE_CONTROL_SGX_LC_WRITE_ENABLE
>
> It is not as ugly and is very clear what it does.

I ended up with FEATURE_CONTROL_SGX_LC_WR. I think that is fairly
reasonable name for bit 17.

/Jarkko