From: Ingo Molnar <mingo@elte.hu>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>, Robin Holt <holt@sgi.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Chris Snook <csnook@redhat.com>,
linux-kernel@vger.kernel.org,
Jack Steiner <steiner@americas.sgi.com>
Subject: Re: init's children list is long and slows reaping children.
Date: Tue, 10 Apr 2007 17:53:14 +0200 [thread overview]
Message-ID: <20070410155314.GA16267@elte.hu> (raw)
In-Reply-To: <m1tzvoxniv.fsf@ebiederm.dsl.xmission.com>
* Eric W. Biederman <ebiederm@xmission.com> wrote:
> > so ... is anyone pursuing this? This would allow us to make
> > sys_wait4() faster and more scalable: no tasklist_lock bouncing for
> > example.
>
> which part?
all of it :) Everything you mentioned makes sense quite a bit. The
thread signal handling of do_wait was added in a pretty arbitrary
fashion so i doubt there are strong requirements in that area. Apps
might have grown to get used to it meanwhile though, so we've got to do
it carefully.
Ingo
next prev parent reply other threads:[~2007-04-10 15:53 UTC|newest]
Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-05 19:51 init's children list is long and slows reaping children Robin Holt
2007-04-05 20:57 ` Linus Torvalds
2007-04-06 0:51 ` Chris Snook
2007-04-06 1:03 ` Chris Snook
2007-04-06 1:29 ` Linus Torvalds
2007-04-06 2:15 ` Eric W. Biederman
2007-04-06 10:43 ` Robin Holt
2007-04-06 15:38 ` Eric W. Biederman
2007-04-06 16:31 ` Oleg Nesterov
2007-04-06 17:32 ` Ingo Molnar
2007-04-06 17:39 ` Roland Dreier
2007-04-06 18:04 ` Eric W. Biederman
2007-04-06 18:30 ` Eric W. Biederman
2007-04-06 19:18 ` [patch] sched: get rid of p->children use in show_task() Ingo Molnar
2007-04-06 19:22 ` Ingo Molnar
2007-04-10 13:48 ` init's children list is long and slows reaping children Ingo Molnar
2007-04-10 13:38 ` Oleg Nesterov
2007-04-10 15:00 ` Eric W. Biederman
2007-04-10 15:16 ` [PATCH] Only send pdeath_signal when getppid changes Eric W. Biederman
2007-04-10 16:37 ` Oleg Nesterov
2007-04-10 17:41 ` Eric W. Biederman
2007-04-10 17:48 ` Roland McGrath
2007-04-11 3:17 ` Albert Cahalan
2007-04-10 14:51 ` init's children list is long and slows reaping children Eric W. Biederman
2007-04-10 15:06 ` Ingo Molnar
2007-04-10 15:22 ` Eric W. Biederman
2007-04-10 15:53 ` Ingo Molnar [this message]
2007-04-10 16:17 ` Eric W. Biederman
2007-04-11 6:20 ` [patch] uninline remove/add_parent() APIs Ingo Molnar
2007-04-11 7:00 ` Eric W. Biederman
2007-04-11 22:06 ` Andrew Morton
2007-04-12 10:45 ` Eric W. Biederman
2007-04-12 22:50 ` Roland McGrath
2007-04-10 16:44 ` init's children list is long and slows reaping children Oleg Nesterov
2007-04-11 19:55 ` Bill Davidsen
2007-04-11 20:17 ` Eric W. Biederman
2007-04-11 21:24 ` Bill Davidsen
2007-04-11 20:19 ` Oleg Nesterov
2007-04-06 18:02 ` Eric W. Biederman
2007-04-06 18:21 ` Davide Libenzi
2007-04-06 18:56 ` Eric W. Biederman
2007-04-06 19:16 ` Davide Libenzi
2007-04-06 19:19 ` Ingo Molnar
2007-04-06 21:29 ` Davide Libenzi
2007-04-06 21:51 ` Linus Torvalds
2007-04-06 22:31 ` Davide Libenzi
2007-04-06 22:46 ` Linus Torvalds
2007-04-06 22:59 ` Davide Libenzi
2007-04-09 8:28 ` Ingo Molnar
2007-04-09 18:09 ` Bill Davidsen
2007-04-09 19:28 ` Kyle Moffett
2007-04-09 19:51 ` Linus Torvalds
2007-04-09 20:03 ` Davide Libenzi
2007-04-10 15:12 ` Bill Davidsen
2007-04-10 19:17 ` Davide Libenzi
2007-04-09 20:00 ` Eric W. Biederman
2007-04-06 16:41 ` Robin Holt
2007-04-09 17:37 ` Chris Snook
2007-04-06 18:05 ` Christoph Hellwig
2007-04-06 19:39 ` Eric W. Biederman
2007-04-06 22:38 ` Jeff Garzik
2007-04-06 22:51 ` Linus Torvalds
2007-04-06 23:37 ` Jeff Garzik
2007-04-11 7:28 ` Nick Piggin
2007-04-10 0:23 ` Andrew Morton
2007-04-10 0:48 ` Eric W. Biederman
2007-04-10 1:15 ` Andrew Morton
2007-04-10 6:53 ` Jeff Garzik
2007-04-10 9:42 ` Robin Holt
2007-04-10 1:59 ` Dave Jones
2007-04-10 2:30 ` Andrew Morton
2007-04-10 2:46 ` Linus Torvalds
2007-04-10 7:07 ` Jeff Garzik
2007-04-10 22:20 ` Ingo Oeser
2007-04-10 5:07 ` Alexey Dobriyan
2007-04-10 5:21 ` Dave Jones
2007-04-10 6:09 ` Torsten Kaiser
2007-04-10 7:08 ` Jeff Garzik
2007-04-10 7:05 ` Jeff Garzik
2007-04-10 7:37 ` Andrew Morton
2007-04-10 8:33 ` Jeff Garzik
2007-04-10 8:41 ` Andrew Morton
2007-04-10 8:48 ` Jeff Garzik
2007-04-10 22:35 ` Ingo Oeser
2007-04-10 16:35 ` Matt Mackall
2007-04-10 7:44 ` Russell King
2007-04-10 8:16 ` Jeff Garzik
2007-04-10 8:59 ` Ingo Molnar
2007-04-10 9:33 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2007-04-06 8:42 Oleg Nesterov
2007-04-06 9:10 ` Eric W. Biederman
2007-04-06 9:44 ` Oleg Nesterov
2007-04-06 15:45 ` Eric W. Biederman
2007-04-06 15:47 ` Oleg Nesterov
2007-04-06 17:16 ` Linus Torvalds
2007-04-06 17:27 ` Ingo Molnar
2007-04-06 17:31 ` Ingo Molnar
2007-04-06 17:34 ` Eric W. Biederman
2007-04-06 19:06 ` H. Peter Anvin
2007-04-06 19:15 ` Eric W. Biederman
2007-04-06 19:21 ` H. Peter Anvin
2007-04-06 21:04 ` Jeremy Fitzhardinge
2007-04-06 21:07 ` H. Peter Anvin
2007-04-06 19:36 ` Oleg Nesterov
2007-04-06 19:43 ` Ingo Molnar
2007-04-06 20:01 ` Oleg Nesterov
2007-04-06 20:21 ` Ingo Molnar
2007-04-06 19:47 ` Oleg Nesterov
2007-04-06 19:59 ` Eric W. Biederman
2007-04-07 20:31 ` Oleg Nesterov
2007-04-08 0:38 ` Eric W. Biederman
2007-04-08 15:46 ` Oleg Nesterov
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