Re: [PATCH] KVM: x86/mmu: Remove KVM MMU write lock when accessing indirect_shadow_pages

[Mingwei Zhang]

> >
> > So I think this?
>
> Hmm. I agree with both points above, but below, the change seems too
> heavyweight. smp_wb() is a mfence(), i.e., serializing all
> loads/stores before the instruction. Doing that for every shadow page
> creation and destruction seems a lot.
>
typo: smp_wb() => smp_mb().