Commit 3cc5ea94 authored Dec 06, 2018 by Lan Tianyu Committed by Paolo Bonzini Dec 21, 2018

KVM/MMU: Flush tlb directly in kvm_set_pte_rmapp()



This patch is to flush tlb directly in kvm_set_pte_rmapp()
function when Hyper-V remote TLB flush is available, returning 0
so that kvm_mmu_notifier_change_pte() does not flush again.

Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent 0cf853c5

arch/x86/kvm/mmu.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -1776,6 +1776,11 @@ static int kvm_set_pte_rmapp(struct kvm kvm, struct kvm_rmap_head rmap_head,
		}
		}

		if (need_flush && kvm_available_flush_tlb_with_range()) {
		kvm_flush_remote_tlbs_with_address(kvm, gfn, 1);
		return 0;
		}

		return need_flush;
		}