Thus spake YAMAMOTO Takashi ("YT> ") sometime Today...

YT> for mach's "stack handoff" tricks, you need to switch address spaces and
YT> stacks separately.  i guess it's actually harder with switch-by-TSS.

Performance question/note:  Didn't mach's performance actually suffer
due to the excessive amount of context switching it was doing?

...or doesn't that actually apply in this case please don't hit me...

				--*greywolf;
--
NetBSD: Perpetual performance!