Re: [PATCH v8 03/11] x86/cpufeatures: Add TDX Guest CPU feature

[Borislav Petkov]

On Tue, Oct 05, 2021 at 10:03:09PM -0700, Josh Poimboeuf wrote:
> I'm not suggesting getting rid of the feature flag.  I'm suggesting
> getting rid of the global variable.  Is there a reason you can't check
> the feature flag instead of checking the global variable?

The reason is that cc_platform_has() is used too early, even before
get_cpu_cap(). So you need to have TDX guest detected even before
feature flags.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette