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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-07-18 17:17:10 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-07-18 18:33:30 -0400 |
| commit | a97b43fac5b9b3ffca71b8a917a249789902fce9 (patch) | |
| tree | 91d773ccf610b869c4a238a09ccd19bf3dcd6b7e | |
| parent | 6f719cbe0c8b3b8a14b403b9e60fdb565fd829fe (diff) | |
| download | linux-a97b43fac5b9b3ffca71b8a917a249789902fce9.tar.gz linux-a97b43fac5b9b3ffca71b8a917a249789902fce9.tar.bz2 linux-a97b43fac5b9b3ffca71b8a917a249789902fce9.zip | |
lockdep: Add comments for lockdep_set_no{validate,track}_class()
Cc: Waiman Long <longman@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | include/linux/lockdep.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index b76f1bcd2f7f..0759e30df392 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -178,9 +178,24 @@ static inline void lockdep_init_map(struct lockdep_map *lock, const char *name, (lock)->dep_map.wait_type_outer, \ (lock)->dep_map.lock_type) +/** + * lockdep_set_novalidate_class: disable checking of lock ordering on a given + * lock + * @lock: Lock to mark + * + * Lockdep will still record that this lock has been taken, and print held + * instances when dumping locks + */ #define lockdep_set_novalidate_class(lock) \ lockdep_set_class_and_name(lock, &__lockdep_no_validate__, #lock) +/** + * lockdep_set_notrack_class: disable lockdep tracking of a given lock entirely + * @lock: Lock to mark + * + * Bigger hammer than lockdep_set_novalidate_class: so far just for bcachefs, + * which takes more locks than lockdep is able to track (48). + */ #define lockdep_set_notrack_class(lock) \ lockdep_set_class_and_name(lock, &__lockdep_no_track__, #lock) |