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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/kvm_main.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/kvm_main.c')
-rw-r--r--virt/kvm/kvm_main.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index b5ed7770ced..4c2900c5d81 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -547,11 +547,11 @@ static void kvm_free_physmem_slot(struct kvm_memory_slot *free,
void kvm_free_physmem(struct kvm *kvm)
{
- int i;
struct kvm_memslots *slots = kvm->memslots;
+ struct kvm_memory_slot *memslot;
- for (i = 0; i < slots->nmemslots; ++i)
- kvm_free_physmem_slot(&slots->memslots[i], NULL);
+ kvm_for_each_memslot(memslot, slots)
+ kvm_free_physmem_slot(memslot, NULL);
kfree(kvm->memslots);
}
@@ -975,15 +975,13 @@ EXPORT_SYMBOL_GPL(kvm_is_error_hva);
static struct kvm_memory_slot *__gfn_to_memslot(struct kvm_memslots *slots,
gfn_t gfn)
{
- int i;
-
- for (i = 0; i < slots->nmemslots; ++i) {
- struct kvm_memory_slot *memslot = &slots->memslots[i];
+ struct kvm_memory_slot *memslot;
+ kvm_for_each_memslot(memslot, slots)
if (gfn >= memslot->base_gfn
&& gfn < memslot->base_gfn + memslot->npages)
return memslot;
- }
+
return NULL;
}