linux-kernel - Re: [PATCH] proc: add config & param to block forcing mem writes

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Message-ID: <CAHk-=wiU8igSGkycZ1e8+6-NF9obbbt1aZXYwd0ONzXnHsBgHA@mail.gmail.com>
Date: Tue, 23 Jul 2024 11:33:34 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Adrian Ratiu <adrian.ratiu@...labora.com>
Cc: linux-fsdevel@...r.kernel.org, linux-security-module@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org, 
	kernel@...labora.com, gbiv@...gle.com, inglorion@...gle.com, 
	ajordanr@...gle.com, Doug Anderson <dianders@...omium.org>, Jeff Xu <jeffxu@...gle.com>, 
	Jann Horn <jannh@...gle.com>, Kees Cook <kees@...nel.org>, 
	Christian Brauner <brauner@...nel.org>
Subject: Re: [PATCH] proc: add config & param to block forcing mem writes

On Tue, 23 Jul 2024 at 11:30, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> but while that looks a bit prettier, the whole "fs_parser.h" thing is
> admittedly odd.

.. don't get me wrong - /proc obviously *is* a filesystem, but in this
context it's a boot command line parameter, not a mount option.

The "constant_table" thing obviously does work outside of mount
options too, it's just that it's documented and used in the context of
the mount API.

                  Linus