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Message-ID: <172537070106.2215.9756073674434114144.tip-bot2@tip-bot2>
Date: Tue, 03 Sep 2024 13:38:21 -0000
From: "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: [tip: sched/core] sched: Split up put_prev_task_balance()
The following commit has been merged into the sched/core branch of tip:
Commit-ID: 260598f142c34811d226fdde5ab0346b48181439
Gitweb: https://git.kernel.org/tip/260598f142c34811d226fdde5ab0346b48181439
Author: Peter Zijlstra <peterz@...radead.org>
AuthorDate: Wed, 14 Aug 2024 00:25:52 +02:00
Committer: Peter Zijlstra <peterz@...radead.org>
CommitterDate: Tue, 03 Sep 2024 15:26:31 +02:00
sched: Split up put_prev_task_balance()
With the goal of pushing put_prev_task() after pick_task() / into
pick_next_task().
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://lore.kernel.org/r/20240813224015.943143811@infradead.org
---
kernel/sched/core.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 406b794..36f9bc5 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5841,8 +5841,8 @@ static inline void schedule_debug(struct task_struct *prev, bool preempt)
schedstat_inc(this_rq()->sched_count);
}
-static void put_prev_task_balance(struct rq *rq, struct task_struct *prev,
- struct rq_flags *rf)
+static void prev_balance(struct rq *rq, struct task_struct *prev,
+ struct rq_flags *rf)
{
#ifdef CONFIG_SMP
const struct sched_class *class;
@@ -5860,8 +5860,6 @@ static void put_prev_task_balance(struct rq *rq, struct task_struct *prev,
}
#endif
- put_prev_task(rq, prev);
-
/*
* We've updated @prev and no longer need the server link, clear it.
* Must be done before ->pick_next_task() because that can (re)set
@@ -5917,7 +5915,8 @@ __pick_next_task(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
}
restart:
- put_prev_task_balance(rq, prev, rf);
+ prev_balance(rq, prev, rf);
+ put_prev_task(rq, prev);
for_each_class(class) {
p = class->pick_next_task(rq);
@@ -6017,7 +6016,8 @@ pick_next_task(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
goto out;
}
- put_prev_task_balance(rq, prev, rf);
+ prev_balance(rq, prev, rf);
+ put_prev_task(rq, prev);
smt_mask = cpu_smt_mask(cpu);
need_sync = !!rq->core->core_cookie;
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