linux-kernel - Re: [RFC PATCH 1/3] module: Split module_enable_rodata

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Message-ID: <Z0YoSrSNCIcvHsBl@bombadil.infradead.org>
Date: Tue, 26 Nov 2024 11:58:02 -0800
From: Luis Chamberlain <mcgrof@...nel.org>
To: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: Petr Pavlu <petr.pavlu@...e.com>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Daniel Gomez <da.gomez@...sung.com>, Kees Cook <kees@...nel.org>,
	linux-modules@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC PATCH 1/3] module: Split module_enable_rodata_ro()

On Sat, Nov 09, 2024 at 11:35:35AM +0100, Christophe Leroy wrote:
> module_enable_rodata_ro() is called twice, once before module init
> to set rodata sections readonly and once after module init to set
> rodata_after_init section readonly.
> 
> The second time, only the rodata_after_init section needs to be
> set to read-only, no need to re-apply it to already set rodata.
> 
> Split module_enable_rodata_ro() in two.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>

Didn't see a respin so this will have to be a post v6.13-rc1 fix.

  Luis