Commit f1539408 authored by Herongguang (Stephen)'s avatar Herongguang (Stephen) Committed by Greg Kroah-Hartman
Browse files

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


[ Upstream commit 0292e169

 ]

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: default avatarherongguang <herongguang.he@huawei.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 27c2fa1a
......@@ -986,7 +986,7 @@ 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;
}
......
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