diff options
| -rw-r--r-- | include/linux/lockdep.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index b8a835fd611b..827722c21797 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -628,6 +628,13 @@ do { \ lock_acquire(&(lock)->dep_map, 0, 0, 1, 1, NULL, _THIS_IP_); \ lock_release(&(lock)->dep_map, 0, _THIS_IP_); \ } while (0) +# define might_lock_nested(lock, subclass) \ +do { \ + typecheck(struct lockdep_map *, &(lock)->dep_map); \ + lock_acquire(&(lock)->dep_map, subclass, 0, 1, 1, NULL, \ + _THIS_IP_); \ + lock_release(&(lock)->dep_map, 0, _THIS_IP_); \ +} while (0) #define lockdep_assert_irqs_enabled() do { \ WARN_ONCE(debug_locks && !current->lockdep_recursion && \ @@ -650,6 +657,7 @@ do { \ #else # define might_lock(lock) do { } while (0) # define might_lock_read(lock) do { } while (0) +# define might_lock_nested(lock, subclass) do { } while (0) # define lockdep_assert_irqs_enabled() do { } while (0) # define lockdep_assert_irqs_disabled() do { } while (0) # define lockdep_assert_in_irq() do { } while (0) |