linux-kernel - Re: [PATCH] crypto: qat - Constify struct pm_status

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Message-ID: <ZxySQPLhRbjP2P9-@gondor.apana.org.au>
Date: Sat, 26 Oct 2024 14:54:56 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: Giovanni Cabiddu <giovanni.cabiddu@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	qat-linux@...el.com, linux-crypto@...r.kernel.org
Subject: Re: [PATCH] crypto: qat - Constify struct pm_status_row

On Mon, Oct 14, 2024 at 09:55:17PM +0200, Christophe JAILLET wrote:
> 'struct pm_status_row' are not modified in this driver.
> 
> Constifying this structure moves some data to a read-only section, so
> increases overall security.
> 
> Update the prototype of some functions accordingly.
> 
> On a x86_64, with allmodconfig, as an example:
> Before:
> ======
>    text	   data	    bss	    dec	    hex	filename
>    4400	   1059	      0	   5459	   1553	drivers/crypto/intel/qat/qat_common/adf_gen4_pm_debugfs.o
> 
> After:
> =====
>    text	   data	    bss	    dec	    hex	filename
>    5216	    243	      0	   5459	   1553	drivers/crypto/intel/qat/qat_common/adf_gen4_pm_debugfs.o
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> Compile tested only.
> ---
>  .../intel/qat/qat_common/adf_gen4_pm_debugfs.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt