diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2020-12-09 16:06:21 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-01-14 11:20:17 +0100 |
| commit | dfd5e3f5fe27bda91d5cc028c86ffbb7a0614489 (patch) | |
| tree | 6c35b4446fad60c64be61e7808ca1d710e6022da /include/linux/lockdep.h | |
| parent | locking/selftests: More granular debug_locks_verbose (diff) | |
| download | linux-dev-dfd5e3f5fe27bda91d5cc028c86ffbb7a0614489.tar.xz linux-dev-dfd5e3f5fe27bda91d5cc028c86ffbb7a0614489.zip | |
locking/lockdep: Mark local_lock_t
The local_lock_t's are special, because they cannot form IRQ
inversions, make sure we can tell them apart from the rest of the
locks.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'include/linux/lockdep.h')
| -rw-r--r-- | include/linux/lockdep.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index b9e9adec73e8..7b7ebf2e28ec 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -185,12 +185,19 @@ extern void lockdep_unregister_key(struct lock_class_key *key); * to lockdep: */ -extern void lockdep_init_map_waits(struct lockdep_map *lock, const char *name, - struct lock_class_key *key, int subclass, short inner, short outer); +extern void lockdep_init_map_type(struct lockdep_map *lock, const char *name, + struct lock_class_key *key, int subclass, u8 inner, u8 outer, u8 lock_type); + +static inline void +lockdep_init_map_waits(struct lockdep_map *lock, const char *name, + struct lock_class_key *key, int subclass, u8 inner, u8 outer) +{ + lockdep_init_map_type(lock, name, key, subclass, inner, LD_WAIT_INV, LD_LOCK_NORMAL); +} static inline void lockdep_init_map_wait(struct lockdep_map *lock, const char *name, - struct lock_class_key *key, int subclass, short inner) + struct lock_class_key *key, int subclass, u8 inner) { lockdep_init_map_waits(lock, name, key, subclass, inner, LD_WAIT_INV); } @@ -340,6 +347,8 @@ static inline void lockdep_set_selftest_task(struct task_struct *task) # define lock_set_class(l, n, k, s, i) do { } while (0) # define lock_set_subclass(l, s, i) do { } while (0) # define lockdep_init() do { } while (0) +# define lockdep_init_map_type(lock, name, key, sub, inner, outer, type) \ + do { (void)(name); (void)(key); } while (0) # define lockdep_init_map_waits(lock, name, key, sub, inner, outer) \ do { (void)(name); (void)(key); } while (0) # define lockdep_init_map_wait(lock, name, key, sub, inner) \ |