On Thu, 2007-06-14 at 14:26 +0200, Jan Kara wrote: <snip>
> > But maybe also 4 bytes would be enough, since the hash only has to be > > unique within one component e.g. "hub". > It depends how large components you expect. For example for 10000 > messages there is already 1% probability of collision so it means sooner or > later we are going to hit it... For 1000 messages the probability is > roughly 0.1% which is still not so small that I'd be comfortable with it. I wouldn't expect, that a "normal" component like a device driver will have more than 100 documented messages. Collisions are ugly, but will not hurt much. The operator will see for a message two possible descriptions. Normally it should be possible to figure out manually which description is the right one. Michael - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/