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Date: Thu, 3 Apr 2025 00:09:35 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Rob Landley <rob@landley.net>
Cc: Francesco Valla <francesco@valla.it>, linux-kernel@vger.kernel.org,
 linux-embedded@vger.kernel.org, Steven Rostedt <rostedt@goodmis.org>, Tim
 Bird <Tim.Bird@sony.com>, Petr Mladek <pmladek@suse.com>
Subject: Re: [PATCH] init/main.c: log initcall level when initcall_debug is
 used
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In-Reply-To: <5b8eea42-76cd-414d-b2f8-416336a9ae27@landley.net>
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On Thu, 3 Apr 2025 01:42:46 -0500 Rob Landley <rob@landley.net> wrote:

> On 4/2/25 21:55, Andrew Morton wrote:
> > Please review and test this fixlet:
> > 
> > --- a/init/main.c~init-mainc-log-initcall-level-when-initcall_debug-is-used-fix
> > +++ a/init/main.c
> > @@ -1217,7 +1217,7 @@ trace_initcall_finish_cb(void *data, ini
> >   static __init_or_module void
> >   trace_initcall_level_cb(void *data, const char *level)
> >   {
> > -	printk(KERN_DEBUG "entering initcall level: %s\n", level);
> > +	pr_debug("entering initcall level: %s\n", level);
> >   }
> 
> How do I tell kconfig to remove all pr_blah() below loglevel X so they 
> aren't compiled into the kernel taking up space? I thought that was the 
> reason for switching to the pr_thingy() macros (it was in the old -tiny 
> tree Mackall walked away from) but last time I tried to do it in vanilla 
> I couldn't find the knob or trace the relevant plumbing...

Ask the maintainer :)

I can't see a way.  Maybe it was never merged.