On Thu, Sep 16, 2010 at 11:46:03AM +0200, Avi Kivity wrote: > On 09/16/2010 11:25 AM, Gleb Natapov wrote: > >> > >> MSI only appeared in rhel6, older guests still use level interrupts. > >So they are already slow for other reasons. > > > > Exactly, for example they need to exit to userspace to ack the > interrupt. That's far slower than the workqueue. Well, this is not exactly comparable: you might get same irq asserted multiple times and only deasserted once. > -- > error compiling committee.c: too many arguments to function -- 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