linux-kernel - Re: [PATCH v2 4/4] tracing: move tracing declarations from kernel.h to a dedicated header

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Message-ID: <aTBvj8zcVKj8hBJK@smile.fi.intel.com>
Date: Wed, 3 Dec 2025 19:12:47 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.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>,
	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>,
	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 v2 4/4] tracing: move tracing declarations from kernel.h
 to a dedicated header

On Wed, Dec 03, 2025 at 07:10:53PM +0200, Andy Shevchenko wrote:
> On Wed, Dec 03, 2025 at 11:23:25AM -0500, Yury Norov (NVIDIA) wrote:

...

> > +#ifndef _LINUX_TRACING_H
> > +#define _LINUX_TRACING_H
> > +
> > +#include <linux/compiler_attributes.h>
> > +#include <linux/instruction_pointer.h>
> 
> + stddef.h // you use NULL
> 
> + string.h // use of strlen()

Why it should not conflict, it might be worth to research more and perhaps even
use intrinsic instead of strlen(). Just a thought spoken loudly.

> > +#include <linux/stringify.h>

-- 
With Best Regards,
Andy Shevchenko