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-rw-r--r--virt/kvm/kvm_main.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 88257b311cb5..ff3bf5d26e0b 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1019,8 +1019,6 @@ int __kvm_set_memory_region(struct kvm *kvm,
old_memslots = install_new_memslots(kvm, as_id, slots);
- /* slot was deleted or moved, clear iommu mapping */
- kvm_iommu_unmap_pages(kvm, &old);
/* From this point no new shadow pages pointing to a deleted,
* or moved, memslot will be created.
*
@@ -1055,21 +1053,6 @@ int __kvm_set_memory_region(struct kvm *kvm,
kvm_free_memslot(kvm, &old, &new);
kvfree(old_memslots);
-
- /*
- * IOMMU mapping: New slots need to be mapped. Old slots need to be
- * un-mapped and re-mapped if their base changes. Since base change
- * unmapping is handled above with slot deletion, mapping alone is
- * needed here. Anything else the iommu might care about for existing
- * slots (size changes, userspace addr changes and read-only flag
- * changes) is disallowed above, so any other attribute changes getting
- * here can be skipped.
- */
- if (as_id == 0 && (change == KVM_MR_CREATE || change == KVM_MR_MOVE)) {
- r = kvm_iommu_map_pages(kvm, &new);
- return r;
- }
-
return 0;
out_slots:
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