diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2023-09-08 18:22:53 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-09-20 09:31:14 +0200 |
| commit | 45f67f30a22f264bc7a0a61255c2ee1a838e9403 (patch) | |
| tree | cea2fb874c26c17d8f75c5957ce2cdaadce24e69 /kernel/futex/requeue.c | |
| parent | d14f9e930b9073de264c106bf04968286ef9b3a4 (diff) | |
locking/rtmutex: Add a lockdep assert to catch potential nested blocking
There used to be a BUG_ON(current->pi_blocked_on) in the lock acquisition
functions, but that vanished in one of the rtmutex overhauls.
Bring it back in form of a lockdep assert to catch code paths which take
rtmutex based locks with current::pi_blocked_on != NULL.
Reported-by: Crystal Wood <swood@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: "Peter Zijlstra (Intel)" <peterz@infradead.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20230908162254.999499-7-bigeasy@linutronix.de
Diffstat (limited to 'kernel/futex/requeue.c')
0 files changed, 0 insertions, 0 deletions