From: Paolo Valente <[email protected]> Date: Sat, 15 Sep 2012 12:41:35 +0200
> If the old timestamps of a class, say cl, are stale when the class > becomes active, then QFQ may assign to cl a much higher start time > than the maximum value allowed. This may happen when QFQ assigns to > the start time of cl the finish time of a group whose classes are > characterized by a higher value of the ratio > max_class_pkt/weight_of_the_class with respect to that of > cl. Inserting a class with a too high start time into the bucket list > corrupts the data structure and may eventually lead to crashes. > This patch limits the maximum start time assigned to a class. > > Signed-off-by: Paolo Valente <[email protected]> Applied and queued up for -stable, thanks. Please use "pkt_sched" instead of just plain "sched" in the prefixes of your subject lines for packet scheduler changes so such changes can be distinguished from process scheduler changes. I fixed it up for you this time. Thanks. -- 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/
