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| author | Herongguang (Stephen) <herongguang.he@huawei.com> | 2017-03-27 15:21:17 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-03-28 10:08:54 +0200 |
| commit | 0292e169b2d9c8377a168778f0b16eadb1f578fd (patch) | |
| tree | cbe2ed3445aa765e31b22b41104342929c43f93d /virt | |
| parent | 90db10434b163e46da413d34db8d0e77404cc645 (diff) | |
| download | lwn-0292e169b2d9c8377a168778f0b16eadb1f578fd.tar.gz lwn-0292e169b2d9c8377a168778f0b16eadb1f578fd.zip | |
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>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/kvm_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index ef1aa7f1ed7a..88257b311cb5 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -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; } |