Re: BUGed to death

Martin J. Bligh (mbligh@aracnet.com)
Tue, 15 Apr 2003 07:39:02 -0700


> > It is questionable. Since even in core kernel code there are
> > many places with
> > if (cond)
> > BUG();
> > rather than
> > BUG_ON(cond);
> > it may be worth seeing if converting them makes a difference
> > (increases code size though).
>
> The spinlock code sticks out as a possible good target.
> Any takers for benchmarking ?

I can try that ... However, do I have to use gcc > 3 to see anything?
I had some vague recollection that unlikely() doesn't do much for gcc 2.95,
is that correct?

M.

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