linux-kernel - Re: [PATCH v5 0/6] Unload linux/kernel.h

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Message-ID: <f2d58c0d-35e5-434f-bf5d-e261b70aa6ee@nvidia.com>
Date: Fri, 16 Jan 2026 12:32:09 -0500
From: Joel Fernandes <joelagnelf@...dia.com>
To: Yury Norov <ynorov@...dia.com>, Steven Rostedt <rostedt@...dmis.org>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Masami Hiramatsu <mhiramat@...nel.org>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Christophe Leroy <chleroy@...nel.org>, Randy Dunlap <rdunlap@...radead.org>,
 Ingo Molnar <mingo@...nel.org>, Jani Nikula <jani.nikula@...ux.intel.com>,
 Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
 David Laight <david.laight@...box.com>, Petr Pavlu <petr.pavlu@...e.com>,
 Andi Shyti <andi.shyti@...nel.org>, 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>,
 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
Cc: "Yury Norov (NVIDIA)" <yury.norov@...il.com>
Subject: Re: [PATCH v5 0/6] Unload linux/kernel.h

On 1/15/2026 11:25 PM, Yury Norov wrote:
> kernel.h hosts declarations that can be placed better. This series
> decouples kernel.h with some explicit and implicit dependencies; also,
> moves tracing functionality to a new independent header.
> 
> For testing, see v4.
> 
> v1: https://lore.kernel.org/all/20251129195304.204082-1-yury.norov@gmail.com/
> v2: https://lore.kernel.org/all/20251203162329.280182-1-yury.norov@gmail.com/
> v3: https://lore.kernel.org/all/20251205175237.242022-1-yury.norov@gmail.com/
> v4: https://lore.kernel.org/all/20251225170930.1151781-1-yury.norov@gmail.com/
> v5:
>  - drop v4#7, i.e. keep trace_printk.h included in kernel.h

Reviewed-by: Joel Fernandes <joelagnelf@...dia.com>

thanks,

 - Joel

> 
> Steven Rostedt (1):
>   tracing: Remove size parameter in __trace_puts()
> 
> Yury Norov (5):
>   kernel.h: drop STACK_MAGIC macro
>   moduleparam: include required headers explicitly
>   kernel.h: move VERIFY_OCTAL_PERMISSIONS() to sysfs.h
>   kernel.h: include linux/instruction_pointer.h explicitly
>   tracing: move tracing declarations from kernel.h to a dedicated header
> 
>  Documentation/filesystems/sysfs.rst           |   2 +-
>  arch/s390/include/asm/processor.h             |   1 +
>  .../drm/i915/gt/selftest_ring_submission.c    |   1 +
>  drivers/gpu/drm/i915/i915_selftest.h          |   2 +
>  include/linux/kernel.h                        | 210 +-----------------
>  include/linux/moduleparam.h                   |   7 +-
>  include/linux/sysfs.h                         |  13 ++
>  include/linux/trace_printk.h                  | 204 +++++++++++++++++
>  include/linux/ww_mutex.h                      |   1 +
>  kernel/trace/trace.c                          |   7 +-
>  kernel/trace/trace.h                          |   2 +-
>  11 files changed, 234 insertions(+), 216 deletions(-)
>  create mode 100644 include/linux/trace_printk.h
>