linux-kernel - Re: [PATCH 2/2 net-next] mlxsw: spectrum_router: Constify struct devlink_dpipe_table

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Message-ID: <Zl2gke-vKr2Ad7xz@shredder>
Date: Mon, 3 Jun 2024 13:53:05 +0300
From: Ido Schimmel <idosch@...dia.com>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: petrm@...dia.com, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, jiri@...nulli.us,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 2/2 net-next] mlxsw: spectrum_router: Constify struct
 devlink_dpipe_table_ops

On Sun, Jun 02, 2024 at 04:18:53PM +0200, Christophe JAILLET wrote:
> 'struct devlink_dpipe_table_ops' are not modified in this driver.
> 
> Constifying these structures moves some data to a read-only section, so
> increase overall security.
> 
> On a x86_64, with allmodconfig:
> Before:
> ======
>    text	   data	    bss	    dec	    hex	filename
>   15557	    712	      0	  16269	   3f8d	drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.o
> 
> After:
> =====
>    text	   data	    bss	    dec	    hex	filename
>   15789	    488	      0	  16277	   3f95	drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.o
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Reviewed-by: Ido Schimmel <idosch@...dia.com>