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RE: [Xen-devel] [Patch] Enable SMEP CPU feature support for XEN itself

> >> } else
> >>> setup_clear_cpu_cap(X86_FEATURE_SMEP);
> >
> > This needs to be done on APs too.  Thus I think we still need define
> > setup_smep as __cpuinit.
> The whole point of setup_clear_cpu_cap() is that it only needs to run on the
> BP and the change gets picked up by every AP automatically as it boots.

Yeah, and we can't do leaf 7.0 detect in generic_identify. Or will again set 
SMEP in capabilities, but it should be ok.

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