On Tue, Apr 15 2003, Duncan Sands wrote:
> On Monday 14 April 2003 22:19, Martin J. Bligh wrote:
> > Seems all these bug checks are fairly expensive. I can get 1%
> > back on system time for kernel compiles by changing BUG to
> > "do {} while (0)" to make them all compile away. Profiles aren't
> > very revealing though ... seems to be within experimental error ;-(
>
> What happens if you just turn BUG_ON into "do {} while (0)"?
If you do that, you must audit every single BUG_ON to make sure the
expression doesn't have any side effects.
BUG_ON(do_the_good_stuff());
-- Jens Axboe, proud inventer of BUG_ON :-)- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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