On Wed, 31 Mar 2004 11:24:07 -0800
Stephen Hemminger [off-list ref] wrote:

lock_sock and release_sock are no longer inline, but they are called in
the critical path of many operations, so it makes sense to use register based
fastcall.

I think I'll add this change when 2.6.6 opens up.

Someone haggled about CONFIG_REGPARM, but that argument is crap.
We have "FASTCALL()" for a reason, and CONFIG_REGPARM does not
obviate it.