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KVM: convert slots_lock to a mutex

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Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Marcelo Tosatti
2009-12-23 14:35:26 -02:00
parent f656ce0185
commit 79fac95ecf
11 changed files with 39 additions and 39 deletions
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virt/kvm/kvm_main.c
+5 -5
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@@ -429,7 +429,7 @@ static struct kvm *kvm_create_vm(void)
kvm_eventfd_init(kvm);
mutex_init(&kvm->lock);
mutex_init(&kvm->irq_lock);
init_rwsem(&kvm->slots_lock);
mutex_init(&kvm->slots_lock);
atomic_set(&kvm->users_count, 1);
spin_lock(&kvm_lock);
list_add(&kvm->vm_list, &vm_list);
@@ -763,9 +763,9 @@ int kvm_set_memory_region(struct kvm *kvm,
{
int r;
down_write(&kvm->slots_lock);
mutex_lock(&kvm->slots_lock);
r = __kvm_set_memory_region(kvm, mem, user_alloc);
up_write(&kvm->slots_lock);
mutex_unlock(&kvm->slots_lock);
return r;
}
EXPORT_SYMBOL_GPL(kvm_set_memory_region);
@@ -1997,7 +1997,7 @@ int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
return -EOPNOTSUPP;
}
/* Caller must have write lock on slots_lock. */
/* Caller must hold slots_lock. */
int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx,
struct kvm_io_device *dev)
{
@@ -2019,7 +2019,7 @@ int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx,
return 0;
}
/* Caller must have write lock on slots_lock. */
/* Caller must hold slots_lock. */
int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
struct kvm_io_device *dev)
{