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Date: Tue, 28 May 2013 07:55:32 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH] arch: configuration, deleting 'CONFIG_BUG' since always
 need it.
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On 05/28/2013 01:19 AM, Ingo Molnar wrote:
> 
> So I think the same principle applies to it as to any other debugging 
> code: it's fine to be able to turn debugging off. It's a performance 
> versus kernel robustness/determinism trade-off.
> 

I suspect, rather, that BUG() should turn into a trap (or jump to a
death routine) under any circumstances.  The one thing that can be
omitted for small configurations are the annotations, which only serve
to output a more human-readable error message.

	-hpa