KVM: MMU: reschedule during shadow teardown



Shadows for large guests can take a long time to tear down, so reschedule
occasionally to avoid softlockup warnings.

Signed-off-by: Avi Kivity <avi@qumranet.com>

parent e693d71b

arch/x86/kvm/mmu.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1858,6 +1858,7 @@ static void free_mmu_pages(struct kvm_vcpu *vcpu)
		sp = container_of(vcpu->kvm->arch.active_mmu_pages.next,
		struct kvm_mmu_page, link);
		kvm_mmu_zap_page(vcpu->kvm, sp);
		cond_resched();
		}
		free_page((unsigned long)vcpu->arch.mmu.pae_root);
		}