Re: likely/unlikely
Jens Axboe (axboe@suse.de)
Wed, 16 Jan 2002 10:29:36 +0100
On Wed, Jan 16 2002, Jeff Garzik wrote:
> Craig Christophel wrote:
> >
> > > likely/unlikely set the branch prediction values to 99% or 1%
> >
> > So all of the BUG() routines in the kernel would benifit greatly from this.
>
>
> It's likely :) I would put one unlikely() in the definition of BUG_ON,
> rather rather touching all the code that calls BUG(), though.
BUG_ON has had unlikely since the very beginning :-)
--
Jens Axboe
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