---

yaml --- r: 202383 b: refs/heads/master c: 95c87e2 h: refs/heads/master i: 202381: 24223ea 202379: 27f70de 202375: 32c5797 202367: bb55bde v: v3
git-mirror · Aug 1, 2010 · 6100da8 · 6100da8
1 parent d73853c
commit 6100da8
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fef093bec0364ff5e6fd488cd81637f6bb3a2d0d
+refs/heads/master: 95c87e2b4460a488ec7ce42f273893e410ab385a
diff --git a/trunk/virt/kvm/iommu.c b/trunk/virt/kvm/iommu.c
@@ -126,16 +126,18 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
 
 static int kvm_iommu_map_memslots(struct kvm *kvm)
 {
-	int i, r = 0;
+	int i, idx, r = 0;
 	struct kvm_memslots *slots;
 
+	idx = srcu_read_lock(&kvm->srcu);
 	slots = kvm_memslots(kvm);
 
 	for (i = 0; i < slots->nmemslots; i++) {
 		r = kvm_iommu_map_pages(kvm, &slots->memslots[i]);
 		if (r)
 			break;
 	}
+	srcu_read_unlock(&kvm->srcu, idx);
 
 	return r;
 }
@@ -285,15 +287,17 @@ static void kvm_iommu_put_pages(struct kvm *kvm,
 
 static int kvm_iommu_unmap_memslots(struct kvm *kvm)
 {
-	int i;
+	int i, idx;
 	struct kvm_memslots *slots;
 
+	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);
 	}
+	srcu_read_unlock(&kvm->srcu, idx);
 
 	return 0;
 }