[PATCH] mtd: spi-nor: Constify struct spi_nor_fixups

Pratyush Yadav pratyush at kernel.org
Tue May 27 09:33:22 PDT 2025


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 at wanadoo.fr>

Acked-by: Pratyush Yadav <pratyush at kernel.org>

[...]

-- 
Regards,
Pratyush Yadav



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