linux-kernel - Re: [RFC/RFT PATCH v3] sched: automated per tty task groups

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Message-ID: <20101119012348.GM6024@const.famille.thibault.fr>
Date:	Fri, 19 Nov 2010 02:23:48 +0100
From:	Samuel Thibault <samuel.thibault@...-lyon.org>
To:	Mike Galbraith <efault@....de>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Hans-Peter Jansen <hpj@...la.net>,
	linux-kernel@...r.kernel.org,
	Lennart Poettering <mzxreary@...inter.de>, david@...g.hm,
	Dhaval Giani <dhaval.giani@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Vivek Goyal <vgoyal@...hat.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Ingo Molnar <mingo@...e.hu>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>
Subject: Re: [RFC/RFT PATCH v3] sched: automated per tty task groups

Mike Galbraith, le Thu 18 Nov 2010 18:12:37 -0700, a écrit :
> I think that could be done with a fork flag with the same semantics as
> reset on fork.  Once your task launcher (ala kdeinit) is tagged, it
> launches task groups, the children lose that ability.

Mmm, even if always creating groups can have a slight overhead, you
should probably not prevent userspace from deciding to do so when it
knows it's appropriate.

Samuel
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