On Wed, Dec 26, 2012 at 12:52:19PM +0200, Michael S. Tsirkin wrote: > Pass nvqs to set_guest_notifiers. This makes it possible to > save on irqfds by not allocating one for the control vq > for virtio-net. > > Signed-off-by: Michael S. Tsirkin <m...@redhat.com> > --- > hw/vhost.c | 10 +++++++--- > hw/virtio-pci.c | 19 ++++++++++++++----- > hw/virtio-pci.h | 1 + > hw/virtio.h | 2 +- > 4 files changed, 23 insertions(+), 9 deletions(-)
Good idea! This patch assumes only the first n virtqueues need irqfd. Depending on the device's virtqueue ordering this may not work (e.g. control vq first followed by data vqs). But this is a theoretical point, let's wait until we hit it and need something fancier. Stefan
