We don't need to adjust prio before new pi_waiter adding. The prio
only need update after pi_waiter change or task normal_prio change.

Signed-off-by: Alex Shi <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Sebastian Siewior <[email protected]>
To: [email protected]
To: Ingo Molnar <[email protected]>
To: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
---
 kernel/locking/rtmutex.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 05ff685..3ee8bc1 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -973,7 +973,6 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock,
                return -EDEADLK;
 
        raw_spin_lock(&task->pi_lock);
-       __rt_mutex_adjust_prio(task);
        waiter->task = task;
        waiter->lock = lock;
        waiter->prio = task->prio;
-- 
1.9.1

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