diff options
| -rw-r--r-- | kernel/sched.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index d714611f169..e9a0b61f12a 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -1788,7 +1788,15 @@ context_switch(struct rq *rq, struct task_struct *prev, WARN_ON(rq->prev_mm); rq->prev_mm = oldmm; } + /* + * Since the runqueue lock will be released by the next + * task (which is an invalid locking op but in the case + * of the scheduler it's an obvious special-case), so we + * do an early lockdep release here: + */ +#ifndef __ARCH_WANT_UNLOCKED_CTXSW spin_release(&rq->lock.dep_map, 1, _THIS_IP_); +#endif /* Here we just switch the register state and the stack. */ switch_to(prev, next, prev); |