linux-kernel - Re: [PATCH v4] sched: automated per session task groups

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Message-ID: <1290700829.4759.16.camel@maggy.simson.net>
Date:	Thu, 25 Nov 2010 09:00:29 -0700
From:	Mike Galbraith <efault@....de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4] sched: automated per session task groups

On Sun, 2010-11-21 at 14:37 +0100, Ingo Molnar wrote:

> I tested it a bit, and autosched-v4 crashes on bootup with with attached config.

Hah.  Took a while between vacation activities and my wimpy little
memory ordering knowledge, but I've finally got it fingered out.  Tip's
update_shares() changes exposed previously invisible (to me) memory
ordering woes nicely it seems.

My vacation is (sniff) over, so I won't get a fully tested patch out the
door for review until I get back home.

	-Mike

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