diff options
Diffstat (limited to 'kernel/locking/spinlock_rt.c')
| -rw-r--r-- | kernel/locking/spinlock_rt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/locking/spinlock_rt.c b/kernel/locking/spinlock_rt.c index 842037b2ba54..38e292454fcc 100644 --- a/kernel/locking/spinlock_rt.c +++ b/kernel/locking/spinlock_rt.c @@ -37,6 +37,8 @@ static __always_inline void rtlock_lock(struct rt_mutex_base *rtm) { + lockdep_assert(!current->pi_blocked_on); + if (unlikely(!rt_mutex_cmpxchg_acquire(rtm, NULL, current))) rtlock_slowlock(rtm); } |