From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: "Miquel Raynal" <miquel.raynal@bootlin.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Zhang Rui" <rui.zhang@intel.com>,
"Lukasz Luba" <lukasz.luba@arm.com>,
"Support Opensource" <support.opensource@diasemi.com>,
"Shawn Guo" <shawnguo@kernel.org>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Magnus Damm" <magnus.damm@gmail.com>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
linux-pm@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-renesas-soc@vger.kernel.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH] thermal: Constify struct thermal_zone_device_ops
Date: Tue, 15 Jul 2025 15:26:27 +0200 [thread overview]
Message-ID: <aHZXAw08359qCBz2@mai.linaro.org> (raw)
In-Reply-To: <5bba3bf0139e2418b306a0f9a2f1f81ef49e88a6.1748165978.git.christophe.jaillet@wanadoo.fr>
On Sun, May 25, 2025 at 11:40:04AM +0200, Christophe JAILLET wrote:
> 'struct thermal_zone_device_ops' are not modified in these drivers.
>
> Constifying these structures moves some data to a read-only section, so
> increases overall security, especially when the structure holds some
> function pointers.
>
> On a x86_64, with allmodconfig, as an example:
> Before:
> ======
> text data bss dec hex filename
> 28116 5168 128 33412 8284 drivers/thermal/armada_thermal.o
>
> After:
> =====
> text data bss dec hex filename
> 28244 5040 128 33412 8284 drivers/thermal/armada_thermal.o
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> Compile tested only
> ---
Applied, thanks
--
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prev parent reply other threads:[~2025-07-15 13:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-25 9:40 [PATCH] thermal: Constify struct thermal_zone_device_ops Christophe JAILLET
2025-05-25 10:19 ` Niklas Söderlund
2025-05-26 7:29 ` Miquel Raynal
2025-05-28 16:00 ` Frank Li
2025-07-15 13:26 ` Daniel Lezcano [this message]
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