Jun Sun (jsun@mvista.com) writes: > 1) always blindly save and restore during context switch (switch_to()) Just a suggestion... > Not interesting. Just list it here for completeness. Agreed, it's not interesting. But it would work, every time; while the current scheme has been a fertile source of interesting bugs. How much useful optimisation might have been done with the effort required to fix them? Saving all the FPU registers on a 400MHz CPU takes about a tenth of a microsecond. Does anyone reading this list have evidence that this is ever any kind of problem? Dominic Sweetman MIPS Technologies.
