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From: Jeremy Maitin-Shepard <jbms@cmu.edu>
To: Christoph Lameter <christoph@lameter.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Read only syscall tables for x86_64 and i386
Date: Tue, 28 Jun 2005 15:27:30 -0400	[thread overview]
Message-ID: <87hdfi704d.fsf@jbms.ath.cx> (raw)
In-Reply-To: <Pine.LNX.4.62.0506281218030.1454@graphe.net> (Christoph Lameter's message of "Tue, 28 Jun 2005 12:18:29 -0700 (PDT)")

Christoph Lameter <christoph@lameter.com> writes:

> On Tue, 28 Jun 2005, Jeremy Maitin-Shepard wrote:
>> As I mentioned previously when this patch was first posted to the list,
>> AFS writes to the syscall table.  It does this even for Linux 2.6.
>> Apparently, the rodata section is not actually mapped read-only, so this
>> patch will probably not break AFS; nonetheless, it seems it would still
>> be better to keep the syscall table in a section that is supposed to be
>> writable.

> Maybe this needs to be fixed?

It would probably be better implemented with a more generic mechanism,
but I don't believe anyone is working on that now, so it looks like AFS
will continue to use a special syscall.

-- 
Jeremy Maitin-Shepard

  parent reply	other threads:[~2005-06-28 19:30 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-28 18:47 [PATCH] Read only syscall tables for x86_64 and i386 Christoph Lameter
2005-06-28 18:56 ` Arjan van de Ven
2005-06-28 19:26   ` Christoph Lameter
2005-06-28 19:41     ` Christoph Hellwig
     [not found] ` <87oe9q70no.fsf@jbms.ath.cx>
     [not found]   ` <Pine.LNX.4.62.0506281218030.1454@graphe.net>
2005-06-28 19:27     ` Jeremy Maitin-Shepard [this message]
2005-06-28 19:31       ` Christoph Lameter
2005-06-28 19:41         ` Jeremy Maitin-Shepard
2005-06-28 19:42         ` Christoph Hellwig
2005-06-28 19:52           ` Jeremy Maitin-Shepard
2005-06-28 20:11             ` Arjan van de Ven
2005-06-28 20:23               ` Jeremy Maitin-Shepard
2005-06-28 19:47       ` Arjan van de Ven
2005-06-28 20:00         ` Jeremy Maitin-Shepard
     [not found] <Pine.LNX.4.62.0506281141050.959@graphe.net.suse.lists.linux.kernel>
2005-06-28 19:33 ` Andi Kleen
2005-06-28 19:41   ` Christoph Lameter
2005-06-29  0:06     ` Arnd Bergmann
2005-06-29  2:49     ` Andi Kleen
2005-07-01 20:10       ` Christoph Lameter
2005-07-01 20:28         ` Andi Kleen
2005-07-01 20:47           ` Richard B. Johnson
2005-07-01 21:13             ` Alan Cox
2005-07-01 20:34         ` Richard B. Johnson

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