linux-kernel - Re: [PATCH 2/3] kernel.h: move VERIFY_OCTAL

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Message-ID: <c45058d5-d690-4731-85d1-434971c16f92@suse.com>
Date: Mon, 1 Dec 2025 20:01:23 +0100
From: Petr Pavlu <petr.pavlu@...e.com>
To: "Yury Norov (NVIDIA)" <yury.norov@...il.com>
Cc: Steven Rostedt <rostedt@...dmis.org>,
 Masami Hiramatsu <mhiramat@...nel.org>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Randy Dunlap <rdunlap@...radead.org>, Ingo Molnar <mingo@...nel.org>,
 Jani Nikula <jani.nikula@...ux.intel.com>,
 Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
 Rodrigo Vivi <rodrigo.vivi@...el.com>, Tvrtko Ursulin
 <tursulin@...ulin.net>, Daniel Gomez <da.gomez@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 "Rafael J. Wysocki" <rafael@...nel.org>, Danilo Krummrich <dakr@...nel.org>,
 Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org,
 intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
 linux-modules@...r.kernel.org, linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] kernel.h: move VERIFY_OCTAL_PERMISSIONS() to sysfs.h

On 11/29/25 8:53 PM, Yury Norov (NVIDIA) wrote:
> The macro is related to sysfs, but is defined in kernel.h. Move it to
> the proper header, and unload the generic kernel.h.
> 
> Signed-off-by: Yury Norov (NVIDIA) <yury.norov@...il.com>
> ---
>  include/linux/kernel.h      | 12 ------------
>  include/linux/moduleparam.h |  2 +-
>  include/linux/sysfs.h       | 13 +++++++++++++
>  3 files changed, 14 insertions(+), 13 deletions(-)
> 
> [...]
> diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
> index 6907aedc4f74..4e390a84a8bc 100644
> --- a/include/linux/moduleparam.h
> +++ b/include/linux/moduleparam.h
> @@ -4,7 +4,7 @@
>  /* (C) Copyright 2001, 2002 Rusty Russell IBM Corporation */
>  #include <linux/init.h>
>  #include <linux/stringify.h>
> -#include <linux/kernel.h>
> +#include <linux/sysfs.h>

If you are removing the kernel.h include from
include/linux/moduleparam.h, I think it would be good to update the file
to ensure that all necessary includes are now listed directly.

The following items are present in moduleparam.h:

* __UNIQUE_ID(), __used(), __section(), __aligned(), __always_unused()
  -> linux/compiler.h,
* THIS_MODULE -> linux/init.h,
* __stringify() -> linux/stringify.h,
* u8, s8, u16, ... -> linux/types.h,
* static_assert() -> linux/build_bug.h,
* VERIFY_OCTAL_PERMISSIONS() -> linux/sysfs.h,
* ARRAY_SIZE() -> linux/array_size.h.

I suggest then updating the includes in include/linux/moduleparam.h to:

#include <linux/array_size.h>
#include <linux/build_bug.h>
#include <linux/compiler.h>
#include <linux/init.h>
#include <linux/stringify.h>
#include <linux/sysfs.h>
#include <linux/types.h>

-- 
Thanks,
Petr