linux-kernel - Re: [PATCH] init/main.c: log initcall level when initcall

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Message-ID: <5b8eea42-76cd-414d-b2f8-416336a9ae27@landley.net>
Date: Thu, 3 Apr 2025 01:42:46 -0500
From: Rob Landley <rob@...dley.net>
To: Andrew Morton <akpm@...ux-foundation.org>,
 Francesco Valla <francesco@...la.it>
Cc: linux-kernel@...r.kernel.org, linux-embedded@...r.kernel.org,
 Steven Rostedt <rostedt@...dmis.org>, Tim Bird <Tim.Bird@...y.com>
Subject: Re: [PATCH] init/main.c: log initcall level when initcall_debug is
 used

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...

Rob