From: David Ahern <david.ahern@xxxxxxxxxx> Date: Wed, 22 Apr 2015 17:19:23 -0600 > Only thing left in my queue is optimized versions of the ffs / fls > families, but that patch is v9b specific, not M7. Something faster than the popc thing in arch/sparc/lib/ffs.S? Are you thinking of using "lzcnt"? I wasn't impressed with the performance of that instruction last time I played around with it. > I'd like to put some attention on precise mode for perf counters; it > just has not bubbled to the top. That plus the backtrace deadlock thing we're discussing in another thread, that bug is irritating because your pagefault_disable() change should "just work". -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
