From: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Date: Wed, 17 Oct 2007 14:55:11 +0000 (+0200)
Subject: sched: fix new task startup crash
X-Git-Tag: v2.6.24-rc1~489^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b9dca1e0fcb696716840a3bc8f20a6941b484dbf;p=pandora-kernel.git

sched: fix new task startup crash

Child task may be added on a different cpu that the one on which parent
is running. In which case, task_new_fair() should check whether the new
born task's parent entity should be added as well on the cfs_rq.

Patch below fixes the problem in task_new_fair.

This could fix the put_prev_task_fair() crashes reported.

Reported-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Reported-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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