On Fri, 2013-05-03 at 18:24 +0200, Alexander Graf wrote: > > There is no reason to exit guest with soft_enabled == 1, a local_irq_enable() > > call will do this for us so get rid of kvmppc_layz_ee() calls. With this fix > > we eliminate irqs_disabled() warnings and some guest and host hangs revealed > > under stress tests, but guests still exhibit some unresponsiveness. > > > > The unresponsiveness has to do with the fact that arch_local_irq_restore() > > does not guarantees to hard enable interrupts. To do so replace exception > > function calls like timer_interrupt() with irq_happened flags. The > > local_irq_enable() call takes care of replaying them and lets the interrupts > > hard enabled. > > > > Signed-off-by: Mihai Caraman <mihai.caraman@xxxxxxxxxxxxx> > > Ben, could you please review? That does look like the right thing to do indeed. Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cheers, Ben. -- 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
