Commit 0292e169 authored Mar 27, 2017 by Herongguang (Stephen) Committed by Paolo Bonzini Mar 28, 2017

KVM: pci-assign: do not map smm memory slot pages in vt-d page tables



or VM memory are not put thus leaked in kvm_iommu_unmap_memslots() when
destroy VM.

This is consistent with current vfio implementation.

Signed-off-by: herongguang <herongguang.he@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent 90db1043

virt/kvm/kvm_main.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1065,7 +1065,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
		* changes) is disallowed above, so any other attribute changes getting
		* here can be skipped.
		*/
		if ((change == KVM_MR_CREATE) \|\| (change == KVM_MR_MOVE)) {
		if (as_id == 0 && (change == KVM_MR_CREATE \|\| change == KVM_MR_MOVE)) {
		r = kvm_iommu_map_pages(kvm, &new);
		return r;
		}