From: Eric Dumazet <[email protected]> Date: Fri, 22 Feb 2013 09:43:35 -0800
> From: Eric Dumazet <[email protected]> > > Dave Jones reported a lockdep splat occurring in IP defrag code. > > commit 6d7b857d541ecd1d (net: use lib/percpu_counter API for > fragmentation mem accounting) added a possible deadlock. > > Because percpu_counter_sum_positive() needs to acquire > a lock that can be used from softirq, we need to disable BH > in sum_frag_mem_limit() > > Reported-by: Dave Jones <[email protected]> > Signed-off-by: Eric Dumazet <[email protected]> > Cc: Jesper Dangaard Brouer <[email protected]> Applied. -- 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/
