KVM: convert slots_lock to a mutex

[firefly-linux-kernel-4.4.55.git] / arch / ia64 / kvm / kvm-ia64.c

diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index d5e3846412752480cda33850d6f55d5f42f5befd..e6ac549f8d55794b91c1f976a8351a8f825626f6 100644 (file)
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -1834,7 +1834,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
        struct kvm_memory_slot *memslot;
        int is_dirty = 0;
 
-       down_write(&kvm->slots_lock);
+       mutex_lock(&kvm->slots_lock);
        spin_lock(&kvm->arch.dirty_log_lock);
 
        r = kvm_ia64_sync_dirty_log(kvm, log);
@@ -1854,7 +1854,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
        }
        r = 0;
 out:
-       up_write(&kvm->slots_lock);
+       mutex_unlock(&kvm->slots_lock);
        spin_unlock(&kvm->arch.dirty_log_lock);
        return r;
 }