linux-kernel - Re: [PATCH] locking: Add WARN_ON

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Message-ID: <20140917123256.GE2704@gmail.com>
Date:	Wed, 17 Sep 2014 14:32:56 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Peter Hurley <peter@...leysoftware.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] locking: Add WARN_ON_ONCE lock assertion


* Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:

> On Tue, Sep 16, 2014 at 10:08:14AM +0200, Ingo Molnar wrote:
> > 
> > * Peter Hurley <peter@...leysoftware.com> wrote:
> > 
> > > An interface may need to assert a lock invariant and not flood the
> > > system logs; add a lockdep helper macro equivalent to
> > > lockdep_assert_held() which only WARNs once.
> > > 
> > > cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > > Signed-off-by: Peter Hurley <peter@...leysoftware.com>
> > 
> > Acked-by: Ingo Molnar <mingo@...nel.org>
> 
> Any objection for me taking this through the TTY tree due to 
> the dependancies on future tty patches that use the function in 
> this patch?

Now that the patch is correct I have no objection whatsoever, 
feel free!

Thanks,

	Ingo
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