Re: [PATCH] watchdog: apple: Constify some structures

Guenter Roeck <[email protected]> Sun, 9 Aug 2026 08:00:18 -0700

Newsgroups	dev.linux.lists.asahi,org.infradead.lists.linux-arm-kernel,org.kernel.vger.kernel-janitors,org.kernel.vger.linux-kernel,org.kernel.vger.linux-watchdog
Message-ID	<[email protected]>

On Sun, Aug 09, 2026 at 03:49:10PM +0200, Christophe JAILLET wrote:
> 'struct watchdog_ops' and 'struct watchdog_info' are not modified in this
> driver.
> 
> Constifying these structure 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:
> Before:
> ======
>    text	   data	    bss	    dec	    hex	filename
>    7319	   1768	      0	   9087	   237f	drivers/watchdog/apple_wdt.o
> 
> After:
> =====
>    text	   data	    bss	    dec	    hex	filename
>    7543	   1544	      0	   9087	   237f	drivers/watchdog/apple_wdt.o
> 
> Signed-off-by: Christophe JAILLET <[email protected]>

Applied.

Thanks,
Guenter