On Mon, Sep 28, 2015 at 10:48:39AM -0400, Tejun Heo wrote: > Ah, you're right. I was thinking that percpu_ref_switch_to_percpu() > being called after blk_mq_freeze_queue_start() would be buggy and thus > the above can't be enough but that is safe as long as the calls are > properly synchronized. Hmmm... maybe we should add synchronization to > those operations from percpu_ref side.
I think that would be very useful, as most users of the code will have similar issues. -- 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/

