> I just don't want to end up with something like: > (GICV3 && ARM64) || (GICV3 && ARM && KERNEL>4.4) || (SuperIRQC && i986) > or > (ARM || ARM64) && HAS_IRQ_ROUTING > > Instead: If the kernel needs it, it tells you. Full stop. Agree. > To be honest it's me to blame here to not having introduced the > capability earlier. At the moment ARM has a different code path for > KVM_SIGNAL_MSI, which does not bail out if the flag field is set. With > Eric's patches this changes and we use the irqchip.c generic code, which > returns -EINVAL atm. So I plan to introduce this capability already with > the ITS emulation series, so we can just pick it up in the IRQ routing > series. Then may be you follow https://lkml.org/lkml/2015/7/7/115 and replace flag with something like KVM_SIGNAL_EXT_MSI ioctl ? After all you were one of people who voted against using flags. Kind regards, Pavel Fedin Expert Engineer Samsung Electronics Research center Russia -- 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