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From: Cheng Chao <cs.os.kernel@gmail.com>
To: mingo@redhat.com, peterz@infradead.org
Cc: linux-kernel@vger.kernel.org, Cheng Chao <cs.os.kernel@gmail.com>,
	stable@vger.kernel.org
Subject: [PATCH] sched/core: emove unnecessary initialization in sched_init()
Date: Wed, 14 Sep 2016 10:18:56 +0800	[thread overview]
Message-ID: <1473819536-7398-1-git-send-email-cs.os.kernel@gmail.com> (raw)

init_idle() is called immediately after current->sched_class
= &fair_sched_class, init_idle() sets current->sched_class
= &idle_sched_class.

Signed-off-by: Cheng Chao <cs.os.kernel@gmail.com>
Cc: stable@vger.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 a0086a5..ed4f4fe 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7557,11 +7557,6 @@ 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
-- 
2.4.11

             reply	other threads:[~2016-09-14  2:19 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-14  2:18 Cheng Chao [this message]
2016-09-14  2:23 ` [PATCH v2] sched/core: remove unnecessary initialization in sched_init() Cheng Chao
2016-09-18  1:59   ` Cheng Chao
2016-09-22 13:58 ` [tip:sched/core] sched/core: Remove " tip-bot for Cheng Chao

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