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

H. Peter Anvin
2013-05-28T16:06:48Z

On 05/28/2013 08:43 AM, Arnd Bergmann wrote:
>
> Right, that is what the patch I just posted does.
>
> On a related note, I found that WARN_ON() can no longer be compiled
> out since there is already code that relies on the side-effects of
> the condition. I assume that was an intentional change I missed,
> since it used to be defined so that you could remove it completely.
>

It is possible to define WARN_ON() as:

#define WARN_ON(x) ((void)(x))

... which preserves side effects.

-hpa