On Mon, Jun 08, 2015 at 06:04:05PM +0100, Marc Zyngier wrote: > So far, the only use of the HW interrupt facility is the timer, > implying that the active state is context-switched for each vcpu, > as the device is is shared across all vcpus. > > This does not work for a device that has been assigned to a VM, > as the guest is entierely in control of that device (the HW is > not shared). In that case, it makes sense to bypass the whole > active state switchint, and only track the deactivation of the > interrupt. > The discinction here between shared and non-shared feels a bit arbitrary (it may not be, but just feel that way) and I can't easily convince myself that this is the logical/correct/all-encompassing word to describe the nature of the two devices. Meh, not the most productive comment, I know... -Christoffer -- 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
