linux-kernel - Re: [PATCH v2 -next 07/15] security: min

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Message-ID: <CAHC9VhTJXCSduz2R-LOxTQOb40BmE-=wR3HJafzstERX6MpNUg@mail.gmail.com>
Date: Tue, 3 Sep 2024 12:31:41 -0400
From: Paul Moore <paul@...l-moore.com>
To: Kaixiong Yu <yukaixiong@...wei.com>
Cc: akpm@...ux-foundation.org, mcgrof@...nel.org, ysato@...rs.sourceforge.jp, 
	dalias@...c.org, glaubitz@...sik.fu-berlin.de, luto@...nel.org, 
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	netdev@...r.kernel.org, linux-security-module@...r.kernel.org, 
	wangkefeng.wang@...wei.com
Subject: Re: [PATCH v2 -next 07/15] security: min_addr: move sysctl into its
 own file

On Mon, Sep 2, 2024 at 11:31 PM Kaixiong Yu <yukaixiong@...wei.com> wrote:
>
> The dac_mmap_min_addr belongs to min_addr.c, move it into
> its own file from /kernel/sysctl.c. In the previous Linux kernel
> boot process, sysctl_init_bases needs to be executed before
> init_mmap_min_addr, So, register_sysctl_init should be executed
> before update_mmap_min_addr in init_mmap_min_addr. And according
> to the compilation condition in security/Makefile:
>
>       obj-$(CONFIG_MMU)            += min_addr.o
>
> if CONFIG_MMU is not defined, min_addr.c would not be included in the
> compilation process. So, drop the CONFIG_MMU check.
>
> Signed-off-by: Kaixiong Yu <yukaixiong@...wei.com>
> Reviewed-by: Kees Cook <kees@...nel.org>
> ---
> v2:
>  - update the changelog to explain why drop CONFIG_MMU check.
> ---
>  kernel/sysctl.c     |  9 ---------
>  security/min_addr.c | 11 +++++++++++
>  2 files changed, 11 insertions(+), 9 deletions(-)

Acked-by: Paul Moore <paul@...l-moore.com>

-- 
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