diff options
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/iommu.c | 12 | ||||
| -rw-r--r-- | virt/kvm/kvm_main.c | 5 |
2 files changed, 11 insertions, 6 deletions
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c index 62a9caf0563..fb0f6e469bb 100644 --- a/virt/kvm/iommu.c +++ b/virt/kvm/iommu.c @@ -285,6 +285,11 @@ static void kvm_iommu_put_pages(struct kvm *kvm, } } +void kvm_iommu_unmap_pages(struct kvm *kvm, struct kvm_memory_slot *slot) +{ + kvm_iommu_put_pages(kvm, slot->base_gfn, slot->npages); +} + static int kvm_iommu_unmap_memslots(struct kvm *kvm) { int i, idx; @@ -293,10 +298,9 @@ static int kvm_iommu_unmap_memslots(struct kvm *kvm) idx = srcu_read_lock(&kvm->srcu); slots = kvm_memslots(kvm); - for (i = 0; i < slots->nmemslots; i++) { - kvm_iommu_put_pages(kvm, slots->memslots[i].base_gfn, - slots->memslots[i].npages); - } + for (i = 0; i < slots->nmemslots; i++) + kvm_iommu_unmap_pages(kvm, &slots->memslots[i]); + srcu_read_unlock(&kvm->srcu, idx); return 0; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 96ebc067941..6b39ba9540e 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -796,12 +796,13 @@ skip_lpage: if (r) goto out_free; - /* map the pages in iommu page table */ + /* map/unmap the pages in iommu page table */ if (npages) { r = kvm_iommu_map_pages(kvm, &new); if (r) goto out_free; - } + } else + kvm_iommu_unmap_pages(kvm, &old); r = -ENOMEM; slots = kzalloc(sizeof(struct kvm_memslots), GFP_KERNEL); |