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From: Mike Galbraith <efault@gmx.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Valdis.Kletnieks@vt.edu, Mike Travis <travis@sgi.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	mm-commits@vger.kernel.org, Rusty Russell <rusty@rustcorp.com.au>,
	Dave Jones <davej@redhat.com>, Ingo Molnar <mingo@elte.hu>
Subject: Re: mmotm 2009-04-10-02-21 uploaded - forkbombed by work_for_cpu
Date: Mon, 13 Apr 2009 18:34:48 +0200	[thread overview]
Message-ID: <1239640488.7866.4.camel@marge.simson.net> (raw)
In-Reply-To: <alpine.LFD.2.00.0904130847500.4583@localhost.localdomain>

On Mon, 2009-04-13 at 09:04 -0700, Linus Torvalds wrote:

> So afaik, acpi-cpufreq.c should not use "work_on_cpu()" for that at all. 
> It should just do a smp_call_function_single().

Andrew already fixed it to use smp_call_function_single() because of
another regression.  (mysql+oltp took 10% peak throughput hit here)

	-Mike


  reply	other threads:[~2009-04-13 16:35 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200904100922.n3A9MOIV013828@imap1.linux-foundation.org>
2009-04-10 19:53 ` mmotm 2009-04-10-02-21 uploaded (shmem) Randy Dunlap
2009-04-10 20:00   ` Andrew Morton
2009-04-10 20:04     ` Randy Dunlap
2009-04-10 20:16     ` Hugh Dickins
2009-04-11 13:22 ` mmotm 2009-04-10-02-21 uploaded - forkbombed by work_for_cpu Valdis.Kletnieks
2009-04-13 16:04   ` Linus Torvalds
2009-04-13 16:34     ` Mike Galbraith [this message]
2009-04-13 17:18     ` Ingo Molnar
2009-04-13 17:27       ` Andrew Morton
2009-04-13 17:41         ` Ingo Molnar
2009-04-13 17:45         ` Linus Torvalds
2009-04-13 18:11           ` Ingo Molnar
2009-04-13 18:49           ` Andrew Morton
2009-04-13 19:03             ` Jeremy Fitzhardinge
2009-04-13 19:03             ` Dave Jones
2009-04-13 19:40               ` Ingo Molnar
2009-04-13 19:27         ` Valdis.Kletnieks
2009-04-13 23:50         ` Linus Torvalds
2009-04-14  0:31           ` Andrew Morton
2009-04-15  8:15         ` Ali Gholami Rudi
2009-04-15  8:34           ` Andrew Morton
2009-04-15  9:08             ` Ali Gholami Rudi
2009-04-15 14:45             ` Linus Torvalds
2009-04-14 12:42     ` Rusty Russell

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