On Sat, Mar 22, 2014 at 02:55:51PM -0400, Tejun Heo wrote: > On Sat, Mar 22, 2014 at 06:01:18PM +0100, Frederic Weisbecker wrote: > > 1) Call a per workqueue mutex when a work execute on an ordered workqueue. > > Although > > contention should be very rare (only while we replace the workqueue attrs > > and > > switch to a new worker), frequent locking may have a visible impact. > > > > 2) Have a seperate worker for all ordered workqueues. But we may lose a bit > > of > > serialization with other workqueues along the way. > > Ordered workqueues are always bound to the fallback default worker > pool. Why not just adjust cpus_allowed of the worker pool?
Now that you tell me, that sounds obvious enough. I'll try something. Thanks. > > Thanks. > > -- > tejun -- 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/
