linux-kernel - Re: [PATCH v2 0/3] module: Make .static_call

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Message-ID: <Z8nYVOIkUX5IXo-P@bombadil.infradead.org>
Date: Thu, 6 Mar 2025 09:16:04 -0800
From: Luis Chamberlain <mcgrof@...nel.org>
To: Petr Pavlu <petr.pavlu@...e.com>
Cc: Peter Zijlstra <peterz@...radead.org>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Jason Baron <jbaron@...mai.com>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Daniel Gomez <da.gomez@...sung.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ard Biesheuvel <ardb@...nel.org>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	linux-modules@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/3] module: Make .static_call_sites read-only after
 init

On Thu, Mar 06, 2025 at 02:13:51PM +0100, Petr Pavlu wrote:
> Section .static_call_sites holds data structures that need to be sorted and
> processed only at module load time. The section is never modified
> afterwards. Make it therefore read-only after module initialization to
> avoid any (non-)accidental modifications.
> 
> Changes since v1 [1]:
> * Rebase the patches. The kernel now has commit 110b1e070f1d ("module:
>   Don't fail module loading when setting ro_after_init section RO failed")
>   which addresses a previous problem with handling ro_after_init sections.
> 
> [1] https://lore.kernel.org/linux-modules/20241223093840.29417-1-petr.pavlu@suse.com/

Reviewed-by: Luis Chamberlain <mcgrof@...nel.org>

  Luis