netdev - Re: [PATCH net-next] net: ibm/emac: Constify struct mii_phy

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Message-ID: <02886a16-e37a-4d31-a98a-e101458ecdfd@lunn.ch>
Date: Wed, 7 Aug 2024 15:57:22 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: ibm/emac: Constify struct mii_phy_def

On Wed, Aug 07, 2024 at 01:50:31PM +0200, Christophe JAILLET wrote:
> 'struct mii_phy_def' 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:
> ======
>    4901	    464	      0	   5365	   14f5	drivers/net/ethernet/ibm/emac/phy.o
> 
> After:
> =====
>    text	   data	    bss	    dec	    hex	filename
>    5127	    240	      0	   5367	   14f7	drivers/net/ethernet/ibm/emac/phy.o
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew