Re: [PATCH v13 12/35] KVM: Prepare for handling only shared mappings in mmu_notifier events

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On Mon, Oct 30, 2023, Paolo Bonzini wrote:
> On 10/27/23 20:21, Sean Christopherson wrote:
> > @@ -635,6 +635,13 @@ static __always_inline kvm_mn_ret_t __kvm_handle_hva_range(struct kvm *kvm,
> >  			 * the second or later invocation of the handler).
> >  			 */
> >  			gfn_range.arg = range->arg;
> > +
> > +			/*
> > +			 * HVA-based notifications aren't relevant to private
> > +			 * mappings as they don't have a userspace mapping.
> 
> It's confusing who "they" is.  Maybe
> 
> 	 * HVA-based notifications provide a userspace address,
> 	 * and as such are only relevant for shared mappings.

Works for me.




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