3.4.110-rt139-rc1 stable review patch.
If anyone has any objections, please let me know.
------------------
From: "bmouring@xxxxxx" <bmouring@xxxxxx>
In 8930ed80 (rtmutex: Cleanup deadlock detector debug logic),
chainwalking control enums were introduced to limit the deadlock
detection logic. One of the calls to task_blocks_on_rt_mutex was
missed when converting to use the enums.
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Brad Mouring <brad.mouring@xxxxxx>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
kernel/rtmutex.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/rtmutex.c b/kernel/rtmutex.c
index d353e9191955..fe0cc8f328c8 100644
--- a/kernel/rtmutex.c
+++ b/kernel/rtmutex.c
@@ -1163,7 +1163,7 @@ static void noinline __sched rt_spin_lock_slowlock(struct rt_mutex *lock)
__set_current_state(TASK_UNINTERRUPTIBLE);
pi_unlock(&self->pi_lock);
- ret = task_blocks_on_rt_mutex(lock, &waiter, self, 0);
+ ret = task_blocks_on_rt_mutex(lock, &waiter, self, RT_MUTEX_MIN_CHAINWALK);
BUG_ON(ret);
for (;;) {
--
2.7.0
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