Commit a2ae1622 authored May 31, 2013 by Xiao Guangrong Committed by Gleb Natapov Jun 05, 2013

KVM: MMU: drop unnecessary kvm_reload_remote_mmus



It is the responsibility of kvm_mmu_zap_all that keeps the
consistent of mmu and tlbs. And it is also unnecessary after
zap all mmio sptes since no mmio spte exists on root shadow
page and it can not be cached into tlb

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>

parent 758ccc89

arch/x86/kvm/x86.c

+1 −4

Original line number	Diff line number	Diff line
		@@ -7060,16 +7060,13 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
		* If memory slot is created, or moved, we need to clear all
		* mmio sptes.
		*/
		if ((change == KVM_MR_CREATE) \|\| (change == KVM_MR_MOVE)) {
		if ((change == KVM_MR_CREATE) \|\| (change == KVM_MR_MOVE))
		kvm_mmu_zap_mmio_sptes(kvm);
		kvm_reload_remote_mmus(kvm);
		}
		}

		void kvm_arch_flush_shadow_all(struct kvm *kvm)
		{
		kvm_mmu_zap_all(kvm);
		kvm_reload_remote_mmus(kvm);
		}

		void kvm_arch_flush_shadow_memslot(struct kvm *kvm,