On 04/15/2015 02:38 AM, Thomas Gleixner wrote: >>On every tick/hrtimer interrupt we update the offset variables of the >>clock bases. That's silly because these offsets change very seldom. >> >>Add a sequence counter to the time keeping code which keeps track of >>the offset updates (clock_was_set()). Have a sequence cache in the >>hrtimer cpu bases to evaluate whether the offsets must be updated or >>not. This allows us later to avoid pointless cacheline pollution. >> >>Signed-off-by: Thomas Gleixner <[email protected]> >>Cc: John Stultz <[email protected]>
Reviewed-by: Preeti U Murthy <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
