linux-kernel - Re: um: WARNING: at kernel/futex.c:786 __unqueue

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Message-ID: <1300386121.16880.359.camel@gandalf.stny.rr.com>
Date:	Thu, 17 Mar 2011 14:22:01 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	richard -rw- weinberger <richard.weinberger@...il.com>,
	laijs@...fujitsu.com, LKML <linux-kernel@...r.kernel.org>,
	user-mode-linux-devel@...ts.sourceforge.net, dvhart@...ux.intel.com
Subject: Re: um: WARNING: at kernel/futex.c:786 __unqueue_futex

On Thu, 2011-03-17 at 18:43 +0100, Geert Uytterhoeven wrote:

> I don't know. It's not clear to me if "WARN_ON_SMP(x)" should always return "x",
> or only on SMP?
> 
> E.g.
> 
>     if (WARN_ON_SMP(x)) {
>        // Should we get here if "x" is true?
>        // Or only if CONFIG_SMP and "x" are both true?
>     }
> 

The "Or only if CONFIG_SMP and "x" are both true.

I'll update the change to add a comment about that.

-- Steve


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