From: tip-bot for Cheng Chao <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: tglx@linutronix.de, cs.os.kernel@gmail.com, mingo@kernel.org,
peterz@infradead.org, hpa@zytor.com,
torvalds@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: [tip:sched/core] sched/core: Remove unnecessary initialization in sched_init()
Date: Thu, 22 Sep 2016 06:58:56 -0700 [thread overview]
Message-ID: <tip-0b8473570ce1af3e80da05b59f9321f30253de4d@git.kernel.org> (raw)
In-Reply-To: <1473819536-7398-1-git-send-email-cs.os.kernel@gmail.com>
Commit-ID: 0b8473570ce1af3e80da05b59f9321f30253de4d
Gitweb: http://git.kernel.org/tip/0b8473570ce1af3e80da05b59f9321f30253de4d
Author: Cheng Chao <cs.os.kernel@gmail.com>
AuthorDate: Wed, 14 Sep 2016 10:18:56 +0800
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 22 Sep 2016 14:53:44 +0200
sched/core: Remove unnecessary initialization in sched_init()
init_idle() is called immediately after:
current->sched_class = &fair_sched_class;
init_idle() sets:
current->sched_class = &idle_sched_class;
First assignment is superfluous.
Signed-off-by: Cheng Chao <cs.os.kernel@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.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/1473819536-7398-1-git-send-email-cs.os.kernel@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
kernel/sched/core.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 860070f..c5f020c 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7558,11 +7558,6 @@ void __init sched_init(void)
enter_lazy_tlb(&init_mm, current);
/*
- * During early bootup we pretend to be a normal task:
- */
- current->sched_class = &fair_sched_class;
-
- /*
* Make us the idle thread. Technically, schedule() should not be
* called from this thread, however somewhere below it might be,
* but because we are the idle thread, we just pick up running again
prev parent reply other threads:[~2016-09-22 13:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-14 2:18 [PATCH] sched/core: emove unnecessary initialization in sched_init() Cheng Chao
2016-09-14 2:23 ` [PATCH v2] sched/core: remove " Cheng Chao
2016-09-18 1:59 ` Cheng Chao
2016-09-22 13:58 ` tip-bot for Cheng Chao [this message]
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