linux-hardening - Re: Re: Re: [PATCH v2] treewide: const qualify ctl

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Message-ID: <Z5epb86xkHQ3BLhp@casper.infradead.org>
Date: Mon, 27 Jan 2025 15:42:39 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Jani Nikula <jani.nikula@...el.com>
Cc: Joel Granados <joel.granados@...nel.org>,
	Ard Biesheuvel <ardb@...nel.org>,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
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	Corey Minyard <cminyard@...sta.com>
Subject: Re: Re: Re: [PATCH v2] treewide: const qualify ctl_tables where
 applicable

On Mon, Jan 27, 2025 at 04:55:58PM +0200, Jani Nikula wrote:
> You could have static const within functions too. You get the rodata
> protection and function local scope, best of both worlds?

timer_active is on the stack, so it can't be static const.

Does this really need to be cc'd to such a wide distribution list?