From: Jens Axboe <axboe@kernel.dk>
To: "Md. Haris Iqbal" <haris.iqbal@ionos.com>,
Jack Wang <jinpu.wang@ionos.com>,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
linux-block@vger.kernel.org
Subject: Re: [PATCH] block/rnbd: Constify struct kobj_type
Date: Tue, 09 Jul 2024 11:52:21 -0600 [thread overview]
Message-ID: <172054754133.374919.11899102978335897724.b4-ty@kernel.dk> (raw)
In-Reply-To: <e3d454173ffad30726c9351810d3aa7b75122711.1720462252.git.christophe.jaillet@wanadoo.fr>
On Mon, 08 Jul 2024 20:11:30 +0200, Christophe JAILLET wrote:
> 'struct kobj_type' is not modified in this driver. It is only used with
> kobject_init_and_add() which takes a "const struct kobj_type *" parameter.
>
> Constifying this structure moves some data to a read-only section, so
> increase overall security.
>
> On a x86_64, with allmodconfig, as an example:
> Before:
> ======
> text data bss dec hex filename
> 4082 792 8 4882 1312 drivers/block/rnbd/rnbd-srv-sysfs.o
>
> [...]
Applied, thanks!
[1/1] block/rnbd: Constify struct kobj_type
commit: e4eaca5e30c55c83c547974188afc2b2d02d4f0c
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2024-07-09 17:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-08 18:11 Christophe JAILLET
2024-07-09 0:54 ` Chaitanya Kulkarni
2024-07-09 17:52 ` Jens Axboe [this message]
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