From: Wanpeng Li <wanpeng.li@linux.intel.com>
To: Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@arm.com>
Cc: Kirill Tkhai <ktkhai@parallels.com>,
linux-kernel@vger.kernel.org,
Wanpeng Li <wanpeng.li@linux.intel.com>
Subject: [PATCH 1/2] sched/deadline: introduce start_hrtick_dl for !CONFIG_SCHED_HRTICK
Date: Tue, 11 Nov 2014 09:52:26 +0800 [thread overview]
Message-ID: <1415670747-58726-1-git-send-email-wanpeng.li@linux.intel.com> (raw)
Introduce start_hrtick_dl for !CONFIG_SCHED_HRTICK to align with
fair class.
Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
---
kernel/sched/deadline.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 04c2cbb..56674f6 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1013,6 +1013,10 @@ static void start_hrtick_dl(struct rq *rq, struct task_struct *p)
{
hrtick_start(rq, p->dl.runtime);
}
+#else /* !CONFIG_SCHED_HRTICK */
+static void start_hrtick_dl(struct rq *rq, struct task_struct *p)
+{
+}
#endif
static struct sched_dl_entity *pick_next_dl_entity(struct rq *rq,
@@ -1066,10 +1070,8 @@ struct task_struct *pick_next_task_dl(struct rq *rq, struct task_struct *prev)
/* Running task will never be pushed. */
dequeue_pushable_dl_task(rq, p);
-#ifdef CONFIG_SCHED_HRTICK
if (hrtick_enabled(rq))
start_hrtick_dl(rq, p);
-#endif
set_post_schedule(rq);
@@ -1088,10 +1090,8 @@ static void task_tick_dl(struct rq *rq, struct task_struct *p, int queued)
{
update_curr_dl(rq);
-#ifdef CONFIG_SCHED_HRTICK
if (hrtick_enabled(rq) && queued && p->dl.runtime > 0)
start_hrtick_dl(rq, p);
-#endif
}
static void task_fork_dl(struct task_struct *p)
--
1.9.1
next reply other threads:[~2014-11-11 1:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-11 1:52 Wanpeng Li [this message]
2014-11-11 1:52 ` [PATCH 2/2] sched/deadline: fix start high-res preemption tick for a non-running task Wanpeng Li
2014-11-13 9:37 ` Juri Lelli
2014-11-13 10:30 ` Wanpeng Li
2014-11-17 9:50 ` Juri Lelli
2014-11-17 11:02 ` Wanpeng Li
2014-11-13 9:31 ` [PATCH 1/2] sched/deadline: introduce start_hrtick_dl for !CONFIG_SCHED_HRTICK Juri Lelli
2014-11-16 12:33 ` [tip:sched/core] sched/deadline: Introduce start_hrtick_dl() " tip-bot for Wanpeng Li
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