linux-kernel - Re: Inquiry: Should we remove "isolcpus= kernel boot option? (may have realtime uses)

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Message-ID: <20080604200508.GM20824@one.firstfloor.org>
Date:	Wed, 4 Jun 2008 22:05:08 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Max Krasnyansky <maxk@...lcomm.com>
Cc:	Paul Jackson <pj@....com>, Andi Kleen <andi@...stfloor.org>,
	ioe-lkml@...eria.de, sivanich@....com, a.p.zijlstra@...llo.nl,
	linux-kernel@...r.kernel.org, kernel@...ivas.org, dfults@....com,
	devik@....cz, dino@...ibm.com, emmanuel.pacaud@...v-poitiers.fr,
	deweerdt@...e.fr, mingo@...e.hu, colpatch@...ibm.com,
	nickpiggin@...oo.com.au, rostedt@...dmis.org, oleg@...sign.ru,
	paulmck@...ibm.com, menage@...gle.com, rddunlap@...l.org,
	suresh.b.siddha@...el.com, tglx@...utronix.de
Subject: Re: Inquiry: Should we remove "isolcpus= kernel boot option? (may have realtime uses)

> You do not even need to replace /sbin/init for this, no ?
> Simply installing custom
> 	/etc/init.d/create_cpusets
> with priority 0
> 	# chkconfig: 12345 0 99
> will do the job.
> 
> That script will move init itself into the appropriate cpuset and from then on
> everything will inherit it.

It won't be the parent of the other init scripts.

-Andi

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