> > > +#define cpu_has_xstore boot_cpu_has(X86_FEATURE_XSTORE)
> > Do we want to do this check only on VIA CPUs I wonder.
> > As a vendor specific extension, I'd be inclined to do that.
> No, the whole point of all the crud in arch/i386/kernel/cpu is to make
> those tests _once_ at bootup, and then the internal kernel "extended CPU
> feature set" has a unique feature-set that is independent of manufacturers
> and totally disjunct, so that we never need to care about manufacturers
> ever again.
Of course. Obviously a pre-caffeine email.
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