linux-kernel - Re: sysctl in 2.6.24.2 excludes unapproved files from /proc/sys?

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Message-ID: <31088.1204340252@turing-police.cc.vt.edu>
Date:	Fri, 29 Feb 2008 21:57:32 -0500
From:	Valdis.Kletnieks@...edu
To:	ptb@....it.uc3m.es
Cc:	linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: sysctl in 2.6.24.2 excludes unapproved files from /proc/sys?

On Sat, 01 Mar 2008 02:12:05 +0100, "Peter T. Breuer" said:
> A change in 2.6.24.x kernel/sysctl.c seems to exclude exo-kernel drivers
> from using the /proc/sys/ interface:

> 
> What's a person to do? 

Umm.. as a wild guess? Maybe a patch to add entries to the sysctl_check_table
arrays for your sysctl?

They didn't spend their holiday just coming up with this to annoy you - the
checking found a *lot* of entries that were well and truly broken (in the
how-did-it-ever-not-panic sense)...

Yes, it does make it more difficult for out-of-tree modules to create a new
sysctl entry - which is probably just as well, given that there's sysfs and
debugfs and a whole lot of other options as well for userspace-kernel
interaction.

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