On Sat, Aug 13, 2016 at 05:17:17PM -0400, Thor Lancelot Simon wrote: > On Fri, Aug 12, 2016 at 07:37:50PM +0000, [email protected] wrote: > > > > It seems sensible. It could be done by a common CRC routine that takes a > > table pointer argument, then the two specific routines are just wrappers. > > > > It would be really nice to not pay the function call overhead on modern > Intel CPUs where this is a single instruction. Not sure this is possible > in a generic kernel without resorting to binary patch, but we do that in > other places...
Actually, I don't think the function call overhead matters as long as you do the checksumming over a decent data block. Joerg
