Re: [PATCH v3 01/19] x86/msr-index: Clean up bit defines for IA32_FEATURE_CONTROL MSR

[Jarkko Sakkinen]

On Thu, Nov 21, 2019 at 02:14:08PM -0800, Sean Christopherson wrote:
> On Thu, Nov 21, 2019 at 11:46:14AM +0200, Jarkko Sakkinen wrote:
> > On Mon, Nov 18, 2019 at 07:12:22PM -0800, Sean Christopherson wrote:
> > > As pointed out by Boris, the defines for bits in IA32_FEATURE_CONTROL
> > > are quite a mouthful, especially the VMX bits which must differentiate
> > > between enabling VMX inside and outside SMX (TXT) operation.  Rename the
> > > bit defines to abbreviate FEATURE_CONTROL as FEAT_CTL so that they're a
> > > little friendlier on the eyes.  Keep the full name for the MSR itself to
> > > help even the most obtuse reader decipher the abbreviation, and to match
> > > the name used by the Intel SDM.
> > 
> > If you anyway shorten the prefix, why not then go directly to FT_CTL?
> > It is as obvious as FEAT_CTL is. Given the exhausting long variable
> > names like FEAT_CTL_VMX_ENABLED_OUTSIDE_SMX this would be worth of
> > considering.
> 
> If we're going to rename the function and file, I think we should stick
> with the slightly longer FEAT_CTL.  FT_CTL for the bits is ok since there
> is more context to work with, but init_ft_ctl_msr() looks weird to me.

OK.

/Jarkko