From: Steven Rostedt <rostedt@goodmis.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Joel Fernandes <joelagnelf@nvidia.com>,
Andrew Morton <akpm@linux-foundation.org>,
Yury Norov <yury.norov@gmail.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Christophe Leroy <chleroy@kernel.org>,
Randy Dunlap <rdunlap@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Jani Nikula <jani.nikula@linux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
David Laight <david.laight@runbox.com>,
Petr Pavlu <petr.pavlu@suse.com>,
Andi Shyti <andi.shyti@kernel.org>,
Vivi Rodrigo <rodrigo.vivi@intel.com>,
Tvrtko Ursulin <tursulin@ursulin.net>,
Daniel Gomez <da.gomez@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Danilo Krummrich <dakr@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"intel-gfx@lists.freedesktop.org"
<intel-gfx@lists.freedesktop.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"linux-modules@vger.kernel.org" <linux-modules@vger.kernel.org>,
"linux-trace-kernel@vger.kernel.org"
<linux-trace-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 7/7] kernel.h: drop trace_printk.h
Date: Mon, 5 Jan 2026 11:39:02 -0500 [thread overview]
Message-ID: <20260105113902.6bdfcfa8@gandalf.local.home> (raw)
In-Reply-To: <aVmyZ0iXzTkNU86y@smile.fi.intel.com>
On Sun, 4 Jan 2026 02:20:55 +0200
Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote:
> >
> > I do not think it is necessary to move it.
>
> I'm not talking about move, I'm talking about the C 101 thingy. Any custom API
> should be included before use, otherwise compiler won't see it. Which header do
> you want to include to have this API being provided? Note, it's really bad
> situation right now with the header to be included implicitly via non-obvious
> or obscure path. The discussion moved as far as I see it towards the finding a
> good place for the trace_printk.h.
It's not a normal API. It's for debugging the kernel. Thus it should be
available everywhere without having to add a header. Hence, the best place
to include trace_printk.h, is in kernel.h.
I'm thinking that my proposed config option is the best solution now. For
those that do not care about debugging the kernel, you enable the
"HIDE_TRACE_PRINTK" config so that your builds will be "quicker". But for
everyone else, it will not slow down their workflow when they need to debug
code.
-- Steve
next prev parent reply other threads:[~2026-01-05 16:38 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-25 17:09 [PATCH v4 0/7] Unload linux/kernel.h Yury Norov (NVIDIA)
2025-12-25 17:09 ` [PATCH v4 1/7] kernel.h: drop STACK_MAGIC macro Yury Norov (NVIDIA)
2025-12-25 17:09 ` [PATCH v4 2/7] moduleparam: include required headers explicitly Yury Norov (NVIDIA)
2025-12-25 17:09 ` [PATCH v4 3/7] kernel.h: move VERIFY_OCTAL_PERMISSIONS() to sysfs.h Yury Norov (NVIDIA)
2025-12-25 17:09 ` [PATCH v4 4/7] kernel.h: include linux/instruction_pointer.h explicitly Yury Norov (NVIDIA)
2025-12-25 17:09 ` [PATCH v4 5/7] tracing: Remove size parameter in __trace_puts() Yury Norov (NVIDIA)
2025-12-25 17:09 ` [PATCH v4 6/7] tracing: move tracing declarations from kernel.h to a dedicated header Yury Norov (NVIDIA)
2025-12-25 17:09 ` [PATCH v4 7/7] kernel.h: drop trace_printk.h Yury Norov (NVIDIA)
2025-12-26 16:58 ` Steven Rostedt
2025-12-27 14:45 ` Andy Shevchenko
2025-12-27 15:57 ` Steven Rostedt
2025-12-27 19:35 ` Yury Norov
2025-12-27 21:27 ` Steven Rostedt
2025-12-28 21:31 ` Andrew Morton
2025-12-29 16:17 ` Steven Rostedt
2025-12-29 16:41 ` Danilo Krummrich
2025-12-29 17:19 ` Borislav Petkov
2025-12-29 22:25 ` Mathieu Desnoyers
2025-12-30 8:55 ` Andy Shevchenko
2025-12-30 14:21 ` Mathieu Desnoyers
2025-12-30 16:18 ` Yury Norov
2025-12-30 16:46 ` Steven Rostedt
2026-01-03 0:50 ` Joel Fernandes
2026-01-03 12:57 ` Andy Shevchenko
2026-01-03 14:22 ` Yury Norov
2026-01-05 9:29 ` Jani Nikula
2026-01-05 16:36 ` Yury Norov
2026-01-05 16:50 ` Steven Rostedt
2026-01-05 18:30 ` Jani Nikula
2026-01-03 15:36 ` Joel Fernandes
2026-01-04 0:20 ` Andy Shevchenko
2026-01-05 16:39 ` Steven Rostedt [this message]
2026-01-05 17:11 ` Joel Fernandes
2026-01-05 18:21 ` Christophe Leroy (CS GROUP)
2026-01-05 19:33 ` Joel Fernandes
2026-01-05 20:04 ` Steven Rostedt
2026-01-05 20:15 ` Joel Fernandes
2026-01-05 18:02 ` Andy Shevchenko
2026-01-05 18:07 ` Yury Norov
2026-01-05 18:11 ` Andy Shevchenko
2025-12-27 14:50 ` Andy Shevchenko
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