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From: Muli Ben-Yehuda <mulix@actcom.co.il>
To: Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: Re: export of sys_call_table
Date: Fri, 4 Oct 2002 07:05:03 +0300	[thread overview]
Message-ID: <20021004040503.GH15215@actcom.co.il> (raw)
In-Reply-To: <20021003225842.GA79989@compsoc.man.ac.uk>

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On Thu, Oct 03, 2002 at 11:58:42PM +0100, John Levon wrote:

> Sort of. They've broken IA64 oprofile, and they seem not to care.

They've also broken syscalltrack, and I'll be surprised if they care. 

Would someone please explain to me why a mechanism which *is* safe
under certain circumstances[1] is removed *without any suitable
alternative for modules*[2], just because it's "ugly"? We've had this
discussion before, numerous times. Ref:
http://marc.theaimsgroup.com/?l=linux-kernel&m=101820103913072&w=2 

I agree that it should not be done. I maintain that sometimes, if you
want to keep your code as a module only (because forcing users to
recompile their kernel is not a viable solution) it can be done safely
if you observe certain precautions and your architecture supports
it[3]. So why remove it? 

[1]
http://marc.theaimsgroup.com/?l=kernelnewbies&m=102267164910800&w=2, 
http://marc.theaimsgroup.com/?l=linux-kernel&m=101821127019203&w=2

[2] Can the LSM hooks be used for notification and modification on
every system call's entry and exit?  

[3] I'd like to know if I'm wrong, of course. 
-- 
Muli Ben-Yehuda					http://www.mulix.org/	
mulix@mulix.org:~$ sctrace strace /bin/foo 	http://syscalltrack.sf.net/
Quis custodes ipsos custodiet?

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  parent reply	other threads:[~2002-10-04  4:01 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
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 [this message]
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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