diff options
Diffstat (limited to 'include/linux/lockdep.h')
| -rw-r--r-- | include/linux/lockdep.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 00e46376e28..f1e877b79ed 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -359,7 +359,9 @@ extern void lockdep_trace_alloc(gfp_t mask); #define lockdep_depth(tsk) (debug_locks ? (tsk)->lockdep_depth : 0) -#define lockdep_assert_held(l) WARN_ON(debug_locks && !lockdep_is_held(l)) +#define lockdep_assert_held(l) do { \ + WARN_ON(debug_locks && !lockdep_is_held(l)); \ + } while (0) #define lockdep_recursing(tsk) ((tsk)->lockdep_recursion) @@ -410,7 +412,7 @@ struct lock_class_key { }; #define lockdep_depth(tsk) (0) -#define lockdep_assert_held(l) do { } while (0) +#define lockdep_assert_held(l) do { (void)(l); } while (0) #define lockdep_recursing(tsk) (0) @@ -524,14 +526,17 @@ static inline void print_irqtrace_events(struct task_struct *curr) #ifdef CONFIG_DEBUG_LOCK_ALLOC # ifdef CONFIG_PROVE_LOCKING # define rwsem_acquire(l, s, t, i) lock_acquire(l, s, t, 0, 2, NULL, i) +# define rwsem_acquire_nest(l, s, t, n, i) lock_acquire(l, s, t, 0, 2, n, i) # define rwsem_acquire_read(l, s, t, i) lock_acquire(l, s, t, 1, 2, NULL, i) # else # define rwsem_acquire(l, s, t, i) lock_acquire(l, s, t, 0, 1, NULL, i) +# define rwsem_acquire_nest(l, s, t, n, i) lock_acquire(l, s, t, 0, 1, n, i) # define rwsem_acquire_read(l, s, t, i) lock_acquire(l, s, t, 1, 1, NULL, i) # endif # define rwsem_release(l, n, i) lock_release(l, n, i) #else # define rwsem_acquire(l, s, t, i) do { } while (0) +# define rwsem_acquire_nest(l, s, t, n, i) do { } while (0) # define rwsem_acquire_read(l, s, t, i) do { } while (0) # define rwsem_release(l, n, i) do { } while (0) #endif |