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

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Date:	Mon, 10 Mar 2014 09:37:29 +0100
From:	Petr Mládek <pmladek@...e.cz>
To:	Steven Rostedt <rostedt@...dmis.org>
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, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 4/4] x86: Fix order of warning messages when ftrace
 modifies code

On Fri 07-03-14 13:18:31, Steven Rostedt wrote:
> H. Peter,
> 
> I just added this to my 3.16 queue. But can you give an Acked-by for it
> too. That way I don't forget to ask you later (3.16 is a ways away ;-)
> 
> I'd add it to my 3.15 queue, but I'm trying not to make changes to it
> unless they are more significant.

Sure, it makes sense.

Acked-by: Petr Mladek <pmladek@...e.cz>

Best Regards,
Petr

> -- 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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