linux-kernel - Re: [PATCH 4/4] x86: Fix order of warning messages when ftrace modifies code

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Date:	Thu, 6 Mar 2014 18:19:53 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Petr Mladek <pmladek@...e.cz>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Jiri Kosina <jkosina@...e.cz>, linux-kernel@...r.kernel.org,
	x86@...nel.org
Subject: Re: [PATCH 4/4] x86: Fix order of warning messages when ftrace
 modifies code


I'm digging through older email, and notice you dropped this patch
from your last series. It is a rather trivial patch, and I don't really
care if it gets applied or not. But was there a reason to drop it? Or
do you not care either?

-- Steve


On Mon, 17 Feb 2014 16:22:53 +0100
Petr Mladek <pmladek@...e.cz> wrote:

> The colon at the end of the printk message suggests that it should get printed
> before the details printed by ftrace_bug().
> 
> When touching the line, let's use the preferred pr_warn() macro as suggested
> by checkpatch.pl.
> 
> Signed-off-by: Petr Mladek <pmladek@...e.cz>
> ---
>  arch/x86/kernel/ftrace.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
> index 525a9f954c8b..ad7c38f5206b 100644
> --- a/arch/x86/kernel/ftrace.c
> +++ b/arch/x86/kernel/ftrace.c
> @@ -622,8 +622,8 @@ void ftrace_replace_code(int enable)
>  	return;
>  
>   remove_breakpoints:
> +	pr_warn("Failed on %s (%d):\n", report, count);
>  	ftrace_bug(ret, rec ? rec->ip : 0);
> -	printk(KERN_WARNING "Failed on %s (%d):\n", report, count);
>  	for_ftrace_rec_iter(iter) {
>  		int err;
>  

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