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authorXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>2011-11-24 17:39:18 +0800
committerAvi Kivity <avi@redhat.com>2011-12-27 11:17:37 +0200
commitbe6ba0f0962a39091c52eb9167ddea201fe80716 (patch)
tree52e46aad8cce4857def4dc03fc75955677027054 /virt/kvm/iommu.c
parentbe593d6286075801bba6d60fa466a39c24cc7616 (diff)
downloadlinux-be6ba0f0962a39091c52eb9167ddea201fe80716.tar.gz
KVM: introduce kvm_for_each_memslot macro
Introduce kvm_for_each_memslot to walk all valid memslot Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'virt/kvm/iommu.c')
-rw-r--r--virt/kvm/iommu.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index a195c07fa82..4e5f7b7f1d2 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -134,14 +134,15 @@ unmap_pages:
static int kvm_iommu_map_memslots(struct kvm *kvm)
{
- int i, idx, r = 0;
+ int idx, r = 0;
struct kvm_memslots *slots;
+ struct kvm_memory_slot *memslot;
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]);
+ kvm_for_each_memslot(memslot, slots) {
+ r = kvm_iommu_map_pages(kvm, memslot);
if (r)
break;
}
@@ -311,16 +312,16 @@ static void kvm_iommu_put_pages(struct kvm *kvm,
static int kvm_iommu_unmap_memslots(struct kvm *kvm)
{
- int i, idx;
+ int idx;
struct kvm_memslots *slots;
+ struct kvm_memory_slot *memslot;
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);
- }
+ kvm_for_each_memslot(memslot, slots)
+ kvm_iommu_put_pages(kvm, memslot->base_gfn, memslot->npages);
+
srcu_read_unlock(&kvm->srcu, idx);
return 0;