linux-kernel - Re: [GIT PULL v2] sched: Make sleep inside atomic detection work on !PREEMPT

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Date:	Fri, 1 Jul 2011 17:05:17 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [GIT PULL v2] sched: Make sleep inside atomic detection work on
 !PREEMPT


-tip testing also found that m32r fails to build:

/home/mingo/tip/kernel/sched.c: In function 'preempt_schedule':
/home/mingo/tip/kernel/sched.c:4364: error: implicit declaration of function 'add_preempt_count_notrace'
/home/mingo/tip/kernel/sched.c:4366: error: implicit declaration of function 'sub_preempt_count_notrace'

due to:

bdd4e85dc36cdbcfc1608a5b2a17c80a9db8986a is the first bad commit
commit bdd4e85dc36cdbcfc1608a5b2a17c80a9db8986a
Author: Frederic Weisbecker <fweisbec@...il.com>
Date:   Wed Jun 8 01:13:27 2011 +0200

    sched: Isolate preempt counting in its own config option

Thanks,

	Ingo
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