[PATCH v2 15/15] KVM: arm64: Handle stage-2 faults in parallel

[Sean Christopherson]

On Fri, Oct 07, 2022, Oliver Upton wrote:
> @@ -1534,7 +1517,7 @@ bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
>  	 */
>  	kvm_pgtable_stage2_map(kvm->arch.mmu.pgt, range->start << PAGE_SHIFT,
>  			       PAGE_SIZE, __pfn_to_phys(pfn),
> -			       KVM_PGTABLE_PROT_R, NULL);
> +			       KVM_PGTABLE_PROT_R, NULL, KVM_PGTABLE_WALK_SHARED);

All MMU notifier events acquire mmu_lock for write when invoking arch code, i.e.
this isn't a shared walk.