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-rw-r--r--virt/kvm/iommu.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index e9693a29d00e..4c4037503600 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -73,14 +73,13 @@ static int kvm_iommu_map_memslots(struct kvm *kvm)
73{ 73{
74 int i, r = 0; 74 int i, r = 0;
75 75
76 down_read(&kvm->slots_lock);
77 for (i = 0; i < kvm->nmemslots; i++) { 76 for (i = 0; i < kvm->nmemslots; i++) {
78 r = kvm_iommu_map_pages(kvm, kvm->memslots[i].base_gfn, 77 r = kvm_iommu_map_pages(kvm, kvm->memslots[i].base_gfn,
79 kvm->memslots[i].npages); 78 kvm->memslots[i].npages);
80 if (r) 79 if (r)
81 break; 80 break;
82 } 81 }
83 up_read(&kvm->slots_lock); 82
84 return r; 83 return r;
85} 84}
86 85
@@ -190,12 +189,11 @@ static void kvm_iommu_put_pages(struct kvm *kvm,
190static int kvm_iommu_unmap_memslots(struct kvm *kvm) 189static int kvm_iommu_unmap_memslots(struct kvm *kvm)
191{ 190{
192 int i; 191 int i;
193 down_read(&kvm->slots_lock); 192
194 for (i = 0; i < kvm->nmemslots; i++) { 193 for (i = 0; i < kvm->nmemslots; i++) {
195 kvm_iommu_put_pages(kvm, kvm->memslots[i].base_gfn, 194 kvm_iommu_put_pages(kvm, kvm->memslots[i].base_gfn,
196 kvm->memslots[i].npages); 195 kvm->memslots[i].npages);
197 } 196 }
198 up_read(&kvm->slots_lock);
199 197
200 return 0; 198 return 0;
201} 199}