On Wed, Jun 27, 2012 at 12:13:43PM +0300, Michael S. Tsirkin wrote: > irqfd sets and clears the level immediately. > This used to be necessary for MSI interrupts but isn't anymore. > > Note! We never officially supported irqfd for level > interrupts but it usually seemed to kind of work, > and this change will break it. There are no known > real users of that feature though - only old vfio prototypes. > Removing this line will make it easier to add > real support for level irqfds in the future. > Did we officially supported irqfd for ioapic/pic edge interrupts? Because those will break to. > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> > --- > virt/kvm/eventfd.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c > index f59c1e8..4db6b01 100644 > --- a/virt/kvm/eventfd.c > +++ b/virt/kvm/eventfd.c > @@ -68,7 +68,6 @@ irqfd_inject(struct work_struct *work) > struct kvm *kvm = irqfd->kvm; > > kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 1); > - kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irqfd->gsi, 0); > } > > /* > -- > MST -- Gleb. -- 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
