On Sat, Aug 11, 2012 at 01:35:43PM -0400, Thor Lancelot Simon wrote: > On Sat, Aug 11, 2012 at 06:45:12AM +0000, Christos Zoulas wrote: > > > > It is a slippery slope, but I think in this case it is wise to bend. > > If we cannot reach agreement here, consult core. > > I see no point bending NetBSD into knots in this case if the resulting > performance is as bad as Joerg claims it will be. Is it actually the > case that our *context() functions are almost as heavy as a full > kernel-level thread switch?
They involve two full system calls and saving the FPU state. That's about as heavy as a context switch... Joerg
