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  • ipipe-ppc32
  • kernel
  • locking
  • rtmutex.c
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  • Alex Shi's avatar
    locking/rtmutex: Remove unnecessary priority adjustment · 69f0d429
    Alex Shi authored Jul 13, 2017
    We don't need to adjust priority before adding a new pi_waiter, the
    priority only needs to be updated after pi_waiter change or task
    priority change.
    
    Steven Rostedt pointed out:
    
      "Interesting, I did some git mining and this was added with the original
       entry of the rtmutex.c (23f78d4a
    
    ). Looking at even that version, I
       don't see the purpose of adjusting the task prio here. It is done
       before anything changes in the task."
    Signed-off-by: default avatarAlex Shi <alex.shi@linaro.org>
    Reviewed-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
    Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
    Cc: Juri Lelli <juri.lelli@arm.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
    Cc: Sebastian Siewior <bigeasy@linutronix.de>
    Cc: Steven Rostedt <rostedt@goodmis.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Link: http://lkml.kernel.org/r/1499926704-28841-1-git-send-email-alex.shi@linaro.org
    
    
    [ Enhance the changelog. ]
    Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
    69f0d429

Replace rtmutex.c

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