linux-kernel - Re: Current state of the sysctl constification effort

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Message-ID: <dd22004b-9bed-4537-b7d5-bc218ffc0087@t-8ch.de>
Date: Sat, 15 Jun 2024 22:18:48 +0200
From: Thomas Weißschuh <thomas@...ch.de>
To: Joel Granados <j.granados@...sung.com>
Cc: Luis Chamberlain <mcgrof@...nel.org>, linux-kernel@...r.kernel.org, 
	Kees Cook <keescook@...omium.org>
Subject: Re: Current state of the sysctl constification effort

On 2024-06-10 10:10:36+0000, Joel Granados wrote:
> On Fri, Jun 07, 2024 at 03:54:01PM +0200, Thomas Weißschuh wrote:
> > On 2024-06-07 11:40:53+0000, Joel Granados wrote:
> > > On Fri, May 31, 2024 at 12:50:32PM +0200, Thomas Weißschuh wrote:
> ...
> > > Is there anything left to do besides
> > > what is being discussed in this mail, to start changing the ctl_tables
> > > to `static const`?
> > 
> > The changes to the tables also need (as per [0] and [1]):
> > 
> > * sysctl: move internal interfaces to const struct ctl_table
> > * sysctl: allow registration of const struct ctl_table
> > 
> > I think we do the handlers for v6.11, the rest of [0] and [1] for v6.12
> > and then we can go through the rest of the trees ctl_tables.
> 
> LGTM. Once you send "sysctl: move internal interfaces to const struct ctl_table" and
> "sysctl: allow registration of const struct ctl_table", I'll put them
> into sysctl-testing and have them there until they can go into sysctl-next
> (after the end of the next merge window). Please send both of them in one
> series and remember to work on the "what" and the "why" for the commit
> messages and cover letter.

IMO all of the remaining commits can go in as one series, as they all
belong to the sysctl core
(I can leave out "sysctl: constify standard sysctl tables")

FYI recent changes to the sysctl core introduced another prerequisite
for "sysctl: move internal interfaces to const struct ctl_table", which
is "bpf: Constify ctl_table argument of filter function".

See https://git.kernel.org/pub/scm/linux/kernel/git/thomas.weissschuh/linux.git/ sysctl-constfy


Thomas