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| 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 /drivers/thermal | |
| parent | locking/rtmutex: Use rt_mutex specific scheduler helpers (diff) | |
| download | linux-45f67f30a22f264bc7a0a61255c2ee1a838e9403.tar.gz linux-45f67f30a22f264bc7a0a61255c2ee1a838e9403.tar.bz2 linux-45f67f30a22f264bc7a0a61255c2ee1a838e9403.zip | |
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 'drivers/thermal')
0 files changed, 0 insertions, 0 deletions