Messages in this thread Patch in this message | | | From | Yuyang Du <> | Subject | [PATCH 05/28] locking/lockdep: Print the right depth for chain key colission | Date | Wed, 24 Apr 2019 18:19:11 +0800 |
| |
Since chains are separated by irq context, so when printing a chain the depth should be consistent with it.
Signed-off-by: Yuyang Du <duyuyang@gmail.com> --- kernel/locking/lockdep.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 2cc2a15..e001dfb 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -2409,10 +2409,11 @@ static u64 print_chain_key_iteration(int class_idx, u64 chain_key) struct held_lock *hlock; u64 chain_key = 0; int depth = curr->lockdep_depth; - int i; + int i = get_first_held_lock(curr, hlock_next); - printk("depth: %u\n", depth + 1); - for (i = get_first_held_lock(curr, hlock_next); i < depth; i++) { + printk("depth: %u (irq_context %u)\n", depth - i + 1, + hlock_next->irq_context); + for (; i < depth; i++) { hlock = curr->held_locks + i; chain_key = print_chain_key_iteration(hlock->class_idx, chain_key); -- 1.8.3.1
| |