diff options
| author | Yuyang Du <[email protected]> | 2019-05-06 16:19:22 +0800 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2019-06-03 11:55:41 +0200 |
| commit | d16dbd1b8a29bb9f8aca2c2f3bd1a0d2b7621126 (patch) | |
| tree | 17ce6db51ad493d0157743f54dbfa33e66f69518 /include/linux | |
| parent | 834494b28024b39d45aea6bcc642b0fe94fe2503 (diff) | |
locking/lockdep: Update obsolete struct field description
The lock_chain struct definition has outdated comment, update it and add
struct member description.
Signed-off-by: Yuyang Du <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/lockdep.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 6e2377e6c1d6..851d44fa5457 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -203,11 +203,17 @@ struct lock_list { struct lock_list *parent; }; -/* - * We record lock dependency chains, so that we can cache them: +/** + * struct lock_chain - lock dependency chain record + * + * @irq_context: the same as irq_context in held_lock below + * @depth: the number of held locks in this chain + * @base: the index in chain_hlocks for this chain + * @entry: the collided lock chains in lock_chain hash list + * @chain_key: the hash key of this lock_chain */ struct lock_chain { - /* see BUILD_BUG_ON()s in lookup_chain_cache() */ + /* see BUILD_BUG_ON()s in add_chain_cache() */ unsigned int irq_context : 2, depth : 6, base : 24; |