Commit-ID: 0b07939cbfdd05bed0c5ec01b8b25493e6ecd34c
Gitweb: http://git.kernel.org/tip/0b07939cbfdd05bed0c5ec01b8b25493e6ecd34c
Author: Giedrius Rekasius <giedrius.rekasius@xxxxxxxxx>
AuthorDate: Sun, 25 May 2014 15:23:31 +0100
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 5 Jun 2014 11:52:34 +0200
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@xxxxxxxxx>
Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: kernel-janitors@xxxxxxxxxxxxxxx
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1401027811-30066-1-git-send-email-giedrius.rekasius@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
kernel/sched/rt.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 0ebfd7a..43406db 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -924,7 +924,6 @@ static void update_curr_rt(struct rq *rq)
{
struct task_struct *curr = rq->curr;
struct sched_rt_entity *rt_se = &curr->rt;
- struct rt_rq *rt_rq = rt_rq_of_se(rt_se);
u64 delta_exec;
if (curr->sched_class != &rt_sched_class)
@@ -949,7 +948,7 @@ static void update_curr_rt(struct rq *rq)
return;
for_each_sched_rt_entity(rt_se) {
- rt_rq = rt_rq_of_se(rt_se);
+ struct rt_rq *rt_rq = rt_rq_of_se(rt_se);
if (sched_rt_runtime(rt_rq) != RUNTIME_INF) {
raw_spin_lock(&rt_rq->rt_runtime_lock);
--
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