linux-kernel - Re: [PATCH] random: Include <linux/once.h> in the right header

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Message-ID: <202212021317.80F5899CBD@keescook>
Date:   Fri, 2 Dec 2022 13:17:19 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Jason@...c4.com, kuba@...nel.org, tytso@....edu, elver@...gle.com,
        yury.norov@...il.com, linux@...inikbrodowski.net,
        gregkh@...uxfoundation.org, pmladek@...e.com,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] random: Include <linux/once.h> in the right header

On Fri, Dec 02, 2022 at 10:13:36PM +0100, Christophe JAILLET wrote:
> <linux/prandom.h> uses DO_ONCE(). So it should include <linux/once.h>
> directly.
> 
> On the contrary, <linux/random.h> doesn't use functionalities from
> <linux/once.h>, so it should be removed.
> 
> All this is true since commit c0842fbc1b18 ("random32: move the
> pseudo-random 32-bit definitions to prandom.h")
> 
> Move the #include <linux/once.h> in the right file.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook