linux-kernel - Re: [PATCH] Fix bogus "callbacks suppressed" messages

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Message-ID: <20121005154101.GA246@x4>
Date:	Fri, 5 Oct 2012 17:41:01 +0200
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Borislav Petkov <bp@...64.org>, Jiri Slaby <jslaby@...e.cz>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	LKML <linux-kernel@...r.kernel.org>,
	Joe Perches <joe@...ches.com>
Subject: Re: [PATCH] Fix bogus "callbacks suppressed" messages

On 2012.10.05 at 08:37 -0700, Greg Kroah-Hartman wrote:
> On Fri, Oct 05, 2012 at 05:29:48PM +0200, Borislav Petkov wrote:
> > On Fri, Oct 05, 2012 at 07:26:39AM -0700, Greg Kroah-Hartman wrote:
> > > I don't have a problem with this patch, but I don't understand why
> > > it's now showing up. There haven't been any changes in the ratelimit.h
> > > area recently that I can see, so why is this change needed now? What
> > > is in the tty layer that is causing this, just the fact that it's
> > > actually being used now?
> > 
> > >From my quick semi-skilled git history browsing, I'd say it's
> > 5d4121c04b357 which added the WARN_RATELIMIT to tty_init_dev during the
> > current merge window.
> 
> So WARN_RATELIMIT was never working properly?  If so, how far back does
> it go in kernel releases that this should be fixed?

The only user until this merge window was net/core/filter.c. The
WARN_RATELIMIT is used there since v3.0.

-- 
Markus
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