diff options
| author | Byungchul Park <byungchul.park@lge.com> | 2017-05-23 05:00:57 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-10 13:18:17 +0300 |
| commit | 3261ed0b25098f92d36d5ad14524254d8c7fba54 (patch) | |
| tree | 247de8ffe7b4180ac70b6992a5e1ecf5bafd9e18 /kernel/sched/deadline.c | |
| parent | b18c3ca11c20caa4a397baa9b893ebc4aaa4fe9f (diff) | |
| download | linux-3261ed0b25098f92d36d5ad14524254d8c7fba54.tar.xz | |
sched/deadline: Change return value of cpudl_find()
cpudl_find() users are only interested in knowing if suitable CPU(s)
were found or not (and then they look at later_mask to know which).
Change cpudl_find() return type accordingly. Aligns with rt code.
Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: <bristot@redhat.com>
Cc: <juri.lelli@gmail.com>
Cc: <kernel-team@lge.com>
Cc: <rostedt@goodmis.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1495504859-10960-3-git-send-email-byungchul.park@lge.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/deadline.c')
| -rw-r--r-- | kernel/sched/deadline.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index ac07d7c3a978..d05bd9457a40 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1594,7 +1594,7 @@ static void check_preempt_equal_dl(struct rq *rq, struct task_struct *p) * let's hope p can move out. */ if (rq->curr->nr_cpus_allowed == 1 || - cpudl_find(&rq->rd->cpudl, rq->curr, NULL) == -1) + !cpudl_find(&rq->rd->cpudl, rq->curr, NULL)) return; /* @@ -1602,7 +1602,7 @@ static void check_preempt_equal_dl(struct rq *rq, struct task_struct *p) * see if it is pushed or pulled somewhere else. */ if (p->nr_cpus_allowed != 1 && - cpudl_find(&rq->rd->cpudl, p, NULL) != -1) + cpudl_find(&rq->rd->cpudl, p, NULL)) return; resched_curr(rq); @@ -1811,7 +1811,7 @@ static int find_later_rq(struct task_struct *task) * We have to consider system topology and task affinity * first, then we can look for a suitable cpu. */ - if (cpudl_find(&task_rq(task)->rd->cpudl, task, later_mask) == -1) + if (!cpudl_find(&task_rq(task)->rd->cpudl, task, later_mask)) return -1; /* |