[PATCH] arch: configuration, deleting 'CONFIG_BUG' since always need it.

H. Peter Anvin hpa at zytor.com
Tue May 28 10:55:32 EDT 2013


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





More information about the linux-arm-kernel mailing list