KVM: convert slots_lock to a mutex

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index bb8873dcb20f..492dcc198dd3 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -857,7 +857,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
         int is_dirty = 0;
         int r, n;
 
-        down_write(&kvm->slots_lock);
+        mutex_lock(&kvm->slots_lock);
 
         r = kvm_get_dirty_log(kvm, log, &is_dirty);
         if (r)
@@ -879,7 +879,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
 
         r = 0;
 out:
-        up_write(&kvm->slots_lock);
+        mutex_unlock(&kvm->slots_lock);
         return r;
 }