[PATCH] sched/core: emove unnecessary initialization in sched_init()

From: Cheng Chao
Date: Tue Sep 13 2016 - 22:19:11 EST


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@xxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
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