On Fri, 2011-03-04 at 17:07 -0600, Tseng-Hui (Frank) Lin wrote: > I don't have any measurable numbers. That's why I made it an option in > case people wants to disable it. I do agree that the kernel has so many > options that we should refrain from adding more. If the chance that the > lazy switching slows down the execution is really low, we should just > take out the option. Is there any one has an idea how much the numbers > are?
Well, per-cpu loads are notoriously inefficient due to nasty codegen, but often cache hot as well, I wouldn't worry too much. Just remove the option for now. We can always add it back if it ever becomes desirable, but I very much doubt it. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
