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From: Pratyush Yadav <pratyush@kernel.org>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Tudor Ambarus <tudor.ambarus@linaro.org>,  Pratyush Yadav
 <pratyush@kernel.org>,  Michael Walle <mwalle@kernel.org>,  Miquel Raynal
 <miquel.raynal@bootlin.com>,  Richard Weinberger <richard@nod.at>,
  Vignesh Raghavendra <vigneshr@ti.com>,  linux-kernel@vger.kernel.org,
  kernel-janitors@vger.kernel.org,  linux-mtd@lists.infradead.org
Subject: Re: [PATCH] mtd: spi-nor: Constify struct spi_nor_fixups
In-Reply-To: <aa641732ba707ce3690217825c3ca7373ffde4f9.1748191985.git.christophe.jaillet@wanadoo.fr>
References: <aa641732ba707ce3690217825c3ca7373ffde4f9.1748191985.git.christophe.jaillet@wanadoo.fr>
Date: Thu, 03 Jul 2025 16:55:18 +0200
Message-ID: <mafs0o6u11fzd.fsf@kernel.org>
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On Sun, May 25 2025, Christophe JAILLET wrote:

> 'struct spi_nor_fixups' are not modified in this driver.
>
> 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
>   23304	  13168	      0	  36472	   8e78	drivers/mtd/spi-nor/micron-st.o
>
> After:
> =====
>    text	   data	    bss	    dec	    hex	filename
>   23560	  12912	      0	  36472	   8e78	drivers/mtd/spi-nor/micron-st.o
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

Applied to spi-nor/next. Thanks!
[...]

-- 
Regards,
Pratyush Yadav