Re: [RFC PATCH v5 033/104] KVM: x86: Add infrastructure for stolen GPA bits

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> 
> > > 
> > >  
> > > -		gfn = gpte_to_gfn(gpte);
> > > +		gfn = gpte_to_gfn(vcpu, gpte);
> > >  		pte_access = sp->role.access;
> > >  		pte_access &= FNAME(gpte_access)(gpte);
> > >  		FNAME(protect_clean_gpte)(vcpu->arch.mmu, &pte_access, gpte);
> > 
> > In commit message you mentioned "Don't support stolen bits for shadow EPT" (you
> > actually mean shadow MMU I suppose), yet there's bunch of code change to shadow
> > MMU.
> 
> It's a bit ugly, but it's uglier to keep two versions of gpte_to_gfn.

gpte_to_gfn() is only used in paging_tmpl.h.  Could you elaborate why we need to
keep two versions of it?


-- 
Thanks,
-Kai





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