On Tue, Mar 13, 2007 at 08:16:10AM -0700, Jason Thorpe wrote:

> Oh, and dunno... m68k called it "compare-and-set" long before Solaris  
> called it "compare-and-swap"

I was pretty sure until you wrote that (but have my books at home)
that CAS is compare and swap.

Note that CAS2 needs a trap on 68060, and CAS needs a trap if unaligned.

OTOH, if we don't have SMP machines, it's easier, right?

	-is