On 02/11/2015 18:01, Radim Krcmar wrote: >> > Yes. Both because the Virtuozzo people confirmed that kvm_arch_set_irq >> > isn't needed for synic, and because synic is currently broken with APICv. > Thanks. > > (We can add direct delivery for |online vcpus| < X if performance with > low number of VCPUs happens to regress because of the schedule_work,) Yeah, we will change the VFIO interrupt handler to non-threaded, which will do more or less the same (what you lose now through schedule_work, you will recoup by doing things directly in the ISR). 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