From: Andy Pfiffer <andyp@osdl.org>
To: Michal Jaegermann <michal@harddata.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: export of sys_call_table
Date: 03 Oct 2002 17:32:00 -0700 [thread overview]
Message-ID: <1033691520.28254.6.camel@andyp> (raw)
In-Reply-To: <20021003171013.B22986@mail.harddata.com>
On Thu, 2002-10-03 at 16:10, Michal Jaegermann wrote:
> On Thu, Oct 03, 2002 at 11:02:40PM +0100, Alan Cox wrote:
> > On Thu, 2002-10-03 at 22:39, Brian F. G. Bidulock wrote:
> >
> > > Until now, loadable modules have been able to just overwrite
> ...
> >
> > Not actually safely implementable. The right way to do this is a
> > relevant 2.5 question.
> Hm, IIRC bproc stuff (Beowulf support) also relies on this ability.
> Or at least "kmonte" trick to load and switch to a new kernel.
The last kmonte that I worked with would preserve, then overwrite,
sys_call_table[__NT_reboot] with a pointer to it's version of reboot()
when the kmonte module was loaded.
If asked to unload, the original version of reboot() was restored prior
to being unloaded.
Andy
next prev parent reply other threads:[~2002-10-04 0:26 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-03 21:39 export of sys_call_table Brian F. G. Bidulock
2002-10-03 22:02 ` Alan Cox
2002-10-03 23:06 ` Brian F. G. Bidulock
2002-10-04 9:10 ` Arjan van de Ven
2002-10-04 11:19 ` Brian F. G. Bidulock
2002-10-04 11:31 ` Arjan van de Ven
2002-10-04 11:55 ` Brian F. G. Bidulock
2002-10-04 13:00 ` Alan Cox
2002-10-03 23:10 ` Michal Jaegermann
2002-10-04 0:32 ` Andy Pfiffer [this message]
2002-10-04 9:20 ` Arjan van de Ven
2002-10-06 14:17 ` Kasper Dupont
2003-01-03 8:28 ` Eric W. Biederman
2002-10-04 21:06 ` David S. Miller
2002-10-04 21:44 ` Brian F. G. Bidulock
2002-10-12 5:43 ` Eric Blade
2002-10-03 22:14 ` Robert Love
2002-10-03 22:23 ` Robert Love
2002-10-03 22:24 ` Patrick Mochel
2002-10-03 22:15 ` Greg KH
2002-10-03 22:27 ` Dave Jones
2002-10-03 22:27 ` Robert Love
2002-10-03 22:58 ` John Levon
2002-10-03 23:10 ` Alexander Viro
2002-10-03 23:14 ` John Levon
2002-10-04 4:05 ` Muli Ben-Yehuda
2002-10-04 4:46 ` Greg KH
2002-10-04 4:53 ` Muli Ben-Yehuda
2002-10-03 23:35 ` Dave Jones
2002-10-03 23:50 ` John Levon
2002-10-04 0:17 ` Brian F. G. Bidulock
[not found] ` <mailman.1033691043.6446.linux-kernel2news@redhat.com>
2002-10-04 4:03 ` Pete Zaitcev
2002-10-04 5:32 ` Brian F. G. Bidulock
2002-10-04 11:42 ` John Levon
2002-10-04 12:03 ` Brian F. G. Bidulock
2002-10-04 13:02 ` Alan Cox
2002-10-04 17:36 ` Pete Zaitcev
2002-10-05 1:39 ` John Levon
2002-10-04 13:58 ` Christoph Hellwig
2002-10-04 15:15 ` Brian F. G. Bidulock
2002-10-04 15:28 ` Christoph Hellwig
2002-10-04 16:19 ` Brian F. G. Bidulock
2002-10-04 16:25 ` Christoph Hellwig
[not found] <20021003153943.E22418@openss7.org.suse.lists.linux.kernel>
[not found] ` <1033682560.28850.32.camel@irongate.swansea.linux.org.uk.suse.lists.linux.kernel>
[not found] ` <20021003170608.A30759@openss7.org.suse.lists.linux.kernel>
[not found] ` <1033722612.1853.1.camel@localhost.localdomain.suse.lists.linux.kernel>
[not found] ` <20021004051932.A13743@openss7.org.suse.lists.linux.kernel>
2002-10-04 13:01 ` Andi Kleen
2002-10-04 13:11 ` Brian F. G. Bidulock
2002-10-04 13:15 ` Andi Kleen
2002-10-04 13:22 ` Brian F. G. Bidulock
2002-10-04 14:11 ` Andi Kleen
2002-10-04 14:31 ` Brian F. G. Bidulock
[not found] ` <20021003221525.GA2221@kroah.com.suse.lists.linux.kernel>
[not found] ` <20021003222716.GB14919@suse.de.suse.lists.linux.kernel>
[not found] ` <1033684027.1247.43.camel@phantasy.suse.lists.linux.kernel>
[not found] ` <20021003233504.GA20570@suse.de.suse.lists.linux.kernel>
[not found] ` <20021003235022.GA82187@compsoc.man.ac.uk.suse.lists.linux.kernel>
[not found] ` <mailman.1033691043.6446.linux-kernel2news@redhat.com.suse.lists.linux.kernel>
[not found] ` <200210040403.g9443Vu03329@devserv.devel.redhat.com.suse.lists.linux.kernel>
[not found] ` <20021003233221.C31444@openss7.org.suse.lists.linux.kernel>
[not found] ` <20021004133657.B17216@devserv.devel.redhat.com.suse.lists.linux.kernel>
2002-10-04 18:14 ` Andi Kleen
2002-10-04 18:46 ` Alan Cox
2002-10-04 18:45 ` Alexander Viro
2002-10-04 19:15 ` Brian F. G. Bidulock
2002-10-04 19:26 ` Andi Kleen
2002-10-04 19:37 ` Pete Zaitcev
2002-10-04 19:43 ` Robert Love
2002-10-04 22:21 ` David S. Miller
2002-10-04 22:41 ` Brian F. G. Bidulock
2002-10-04 22:38 ` David S. Miller
-- strict thread matches above, loose matches on Subject: below --
2002-10-04 21:54 Mark Veltzer
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