Il 28/11/2013 12:09, Gleb Natapov ha scritto: > > - if there are no callbacks, but there are readers, synchronize_srcu > > busy-loops for some time checking if the readers complete. After a > > while (20 us for synchronize_srcu, 120 us for > > synchronize_srcu_expedited) it gives up and starts using a workqueue to > > poll every millisecond. This should never happen unless > > Unless what ? :) Unless reader is scheduled out? Yes. Or unless my brain is scheduled out in the middle of a sentence. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html