linux-kernel - Re: current linux-2.6.git: cpusets completely broken

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Message-ID: <487D96C9.7070502@qualcomm.com>
Date:	Tue, 15 Jul 2008 23:35:53 -0700
From:	Max Krasnyansky <maxk@...lcomm.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dmitry Adamushko <dmitry.adamushko@...il.com>,
	Vegard Nossum <vegard.nossum@...il.com>,
	Paul Menage <menage@...gle.com>, Paul Jackson <pj@....com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, miaox@...fujitsu.com,
	rostedt@...dmis.org, Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: current linux-2.6.git: cpusets completely broken

There are now three patches that are outstanding (pending reviews, etc) on this:

1. cpu hotplug, sched: Introduce cpu_active_map and redo sched\
		    domain managment (take 2)

2. cpu hotplug: Make cpu_active_map synchronization dependency clear

3. cpuset: Make rebuild_sched_domains() usable from any context (take 2)

Please review/ack/nak/etc.

----
Linus ACKed #1 and Ingo seemed to be more or less ok with it. We need ACKs
from Dmitry, Peter and Greg on the general approach and due to some
non-trivial merges with their stuff. RT balancer cpupri thingy and and RT
bandwidth handling.

#2 Should be fairly straightforward.

#3 Need ACKs from Paul J. and Paul M. overall they seemed ok with the first
version, and new version implements the suggested workqueue based rebuild.


Thanx
Max
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