On Sun, Jul 06, 2014 at 12:34:14AM +0530, pawandeep oza wrote: > no this is not a generic code bug, because only in this scenerio, problem > might happen. > because other core is plugged out and now there is no chance that it can > release the spin_lock it would have held previously. > > so this core must run with preemption and interrupt disabled. > > this is only applicable for shutdown, not for any other scenerio.
No. See my reply I just sent. Preempting when local interrupts disabled is a bug. -- FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly improving, and getting towards what was expected from it. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/