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sched: Remove redundant assignment to "rt_rq" in update_curr_rt(...)
Variable "rt_rq" is used only in block "for_each_sched_rt_entity" so the value assigned to it at the beginning of the update_curr_rt(...) gets overwritten without ever being read. Remove redundant assignment and move variable declaration to the block in which it is being used. Signed-off-by: Giedrius Rekasius <giedrius.rekasius@gmail.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: kernel-janitors@vger.kernel.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: linux-kernel@vger.kernel.org Link: http://lkml.kernel.org/r/1401027811-30066-1-git-send-email-giedrius.rekasius@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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1 changed files with 1 additions and 2 deletions
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@ -924,7 +924,6 @@ static void update_curr_rt(struct rq *rq)
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{
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struct task_struct *curr = rq->curr;
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struct sched_rt_entity *rt_se = &curr->rt;
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struct rt_rq *rt_rq = rt_rq_of_se(rt_se);
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u64 delta_exec;
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if (curr->sched_class != &rt_sched_class)
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@ -949,7 +948,7 @@ static void update_curr_rt(struct rq *rq)
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return;
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for_each_sched_rt_entity(rt_se) {
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rt_rq = rt_rq_of_se(rt_se);
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struct rt_rq *rt_rq = rt_rq_of_se(rt_se);
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if (sched_rt_runtime(rt_rq) != RUNTIME_INF) {
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raw_spin_lock(&rt_rq->rt_runtime_lock);
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