On Wed, Jul 08, 2009 at 07:29:58PM +0300, Gleb Natapov wrote: > On Wed, Jul 08, 2009 at 10:17:21AM -0300, Marcelo Tosatti wrote: > > (but yes, bypassing the irq injection system its not a very beatiful > > shortcut, but its done in other places too eg i8254.c NMI injection via > > all cpus LINT0). > > > I've looked at this. Why do you say i8254.c NMI injection bypass the irq > injection system? It look to me like it uses usual way to send interrupt > to all cpus. It goes through apic_accept_irq so its somewhat fine. But it accesses the lapics of other vcpus locklessly (which does not happen via kvm_set_irq path due to irq_lock protection). -- 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
