2013/1/29 Steven Rostedt <rost...@goodmis.org>: > On Mon, 2013-01-28 at 20:03 +0100, Frederic Weisbecker wrote: >> Ingo, >> >> Please pull the new full dynticks cputime accounting code that >> can be found at: >> >> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git >> tags/full-dynticks-cputime-for-mingo >> >> My last concern is the dependency on CONFIG_64BIT. We rely on cputime_t >> being u64 for reasonable nanosec granularity implementation. And therefore >> we need a single instruction fetch to read kernel cpustat for atomicity >> requirement against concurrent incrementation, which only 64 bit archs >> can provide. >> >> It's probably no big deal to solve this issue. What we need is simply some >> atomic accessors. >> >> There is just no emergency though as this new option depends on the context >> tracking subsystem that only x86-64 (and soon ppc64) implements yet. And >> this set is complex enough already. I think we can deal with that later. > > I've ran these through some basic tests and I don't see any issues. But > why did you drop the 'comment' patch that you had in v6?
Because it's coming through paulmck's tree already. > > Acked-by: Steven Rostedt <rost...@goodmis.org> Thanks a lot! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
