linux-kernel - Re: sched: fix new task startup crash

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Message-Id: <1193846459.27652.220.camel@twins>
Date:	Wed, 31 Oct 2007 17:00:59 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: sched: fix new task startup crash

Hi,

Commit: b9dca1e0fcb696716840a3bc8f20a6941b484dbf

seems to me that by calling enqueue_fair_task() from task_new_fair() is
wrong. The wakeup=1 in enqueue_fair_task() will cause all non-top
sched_entities to be re-positioned by place_entity().

Although the current implementation thereof seems to avoid doing
something horrible.

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