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

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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>
This commit is contained in:
Herongguang (Stephen) 2017-03-27 15:21:17 +08:00 committed by Paolo Bonzini
parent 90db10434b
commit 0292e169b2
1 changed files with 1 additions and 1 deletions
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2
virt/kvm/kvm_main.c
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@ -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;
}