MIPS: Select R4K timer lib for all MSP platforms

[mv-sheeva.git] / virt / kvm / iommu.c

diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index 96048ee9e39e8f57d068f558cd4888961c46aa42..62a9caf0563c2205327245b2a1103f1bbff94e70 100644 (file)
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -16,6 +16,8 @@
  *
  * Copyright (C) 2006-2008 Intel Corporation
  * Copyright IBM Corporation, 2008
+ * Copyright 2010 Red Hat, Inc. and/or its affiliates.
+ *
  * Author: Allen M. Kay <allen.m.kay@intel.com>
  * Author: Weidong Han <weidong.han@intel.com>
  * Author: Ben-Ami Yassour <benami@il.ibm.com>
@@ -106,7 +108,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
                              get_order(page_size), flags);
                if (r) {
                        printk(KERN_ERR "kvm_iommu_map_address:"
-                              "iommu failed to map pfn=%lx\n", pfn);
+                              "iommu failed to map pfn=%llx\n", pfn);
                        goto unmap_pages;
                }
 
@@ -124,9 +126,10 @@ unmap_pages:
 
 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++) {
@@ -134,6 +137,7 @@ static int kvm_iommu_map_memslots(struct kvm *kvm)
                if (r)
                        break;
        }
+       srcu_read_unlock(&kvm->srcu, idx);
 
        return r;
 }
@@ -283,15 +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;
 }