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

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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.

Paolo

+			 */
+			gfn_range.only_private = false;
+			gfn_range.only_shared = true;
 			gfn_range.may_block = range->may_block;
/*






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