From: John Levon <movement@marcelothewonderpenguin.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "Steven N. Hirsch" <shirsch@adelphia.net>, linux-kernel@vger.kernel.org
Subject: Re: Two fixes for 2.4.19-pre5-ac3
Date: Sun, 7 Apr 2002 20:23:25 +0100 [thread overview]
Message-ID: <20020407192324.GA21491@compsoc.man.ac.uk> (raw)
In-Reply-To: <20020407173343.GA18940@compsoc.man.ac.uk> <E16uIB6-0006TQ-00@the-village.bc.nu>
On Sun, Apr 07, 2002 at 08:18:16PM +0100, Alan Cox wrote:
> How about "there are no correct users". Its basically impossible to patch
> the syscall table safely anyway. As Arjan pointed out there are races
> against module unload that on SMP are basically incurable.
can_unload == FALSE
> Doing the right hooks makes the AFS code portable which is a big win.
Definitely. I'm not for a minute arguing that the nfsservctl-style thing
is not how it should be done for those cases.
I'll genuinely take on board advice on how I can profile all the system
via x86 perf counters efficiently without having to patch the kernel.
The old way just uses sys_call_table. So what do I do now ?
I've actually *tried* doing the /proc-reading thing. It's very low
resolution and/or too slow.
regards
john
--
"I never understood what's so hard about picking a unique
first and last name - and not going beyond the 6 character limit."
- Toon Moene
next prev parent reply other threads:[~2002-04-07 19:23 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-07 16:43 Two fixes for 2.4.19-pre5-ac3 Steven N. Hirsch
2002-04-07 17:11 ` Christoph Hellwig
2002-04-07 17:14 ` arjan
2002-04-07 17:42 ` Alan Cox
2002-04-07 17:27 ` arjan
2002-04-07 17:48 ` Alexander Viro
2002-04-07 17:33 ` John Levon
2002-04-07 19:18 ` Alan Cox
2002-04-07 19:23 ` John Levon [this message]
2002-04-07 19:42 ` Alan Cox
2002-04-07 19:32 ` John Levon
2002-04-07 19:58 ` Alan Cox
2002-04-07 19:40 ` Jan Harkes
2002-04-07 20:01 ` Alan Cox
2002-04-07 20:13 ` Jan Harkes
2002-04-07 19:49 ` Alan Cox
2002-04-07 19:41 ` John Levon
2002-04-07 19:55 ` Muli Ben-Yehuda
2002-04-07 20:29 ` Alan Cox
2002-04-07 20:23 ` Muli Ben-Yehuda
2002-04-07 20:51 ` Alan Cox
2002-04-07 23:03 ` Anton Altaparmakov
2002-04-08 6:27 ` Muli Ben-Yehuda
2002-04-07 20:02 ` Alan Cox
2002-04-07 20:10 ` Eric W. Biederman
2002-04-07 23:06 ` John Levon
2002-04-07 19:44 ` Steven N. Hirsch
2002-04-08 14:48 ` Bill Davidsen
2002-04-08 16:06 ` Philippe Elie
2002-04-08 17:53 ` Eric W. Biederman
2002-04-08 18:07 ` John Levon
2002-04-07 23:31 ` Erik Tews
[not found] <20020407193245.GA21570@compsoc.man.ac.uk.suse.lists.linux.kernel>
[not found] ` <E16uIoN-0006b3-00@the-village.bc.nu.suse.lists.linux.kernel>
2002-04-07 21:34 ` Andi Kleen
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