From 08fee1cb648fed23cb5b9180fa777717c88bba8c Mon Sep 17 00:00:00 2001 From: Ying-Shiuan Pan Date: Fri, 30 Aug 2013 21:58:14 +0800 Subject: [PATCH] kvm tools: virtio-mmio: init_ioeventfd should use MMIO for ioeventfd__add_event() This patch fixes a bug that vtirtio_mmio_init_ioeventfd() passed a wrong value when it invoked ioeventfd__add_event(). True value of 2nd parameter indicates the eventfd uses PIO bus which is used by virito-pci, however, for virtio-mmio, the value should be false. Signed-off-by: Ying-Shiuan Pan Signed-off-by: Pekka Enberg --- virtio/mmio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/virtio/mmio.c b/virtio/mmio.c index afa2692..3838774 100644 --- a/virtio/mmio.c +++ b/virtio/mmio.c @@ -55,10 +55,10 @@ static int virtio_mmio_init_ioeventfd(struct kvm *kvm, * Vhost will poll the eventfd in host kernel side, * no need to poll in userspace. */ - err = ioeventfd__add_event(&ioevent, true, false); + err = ioeventfd__add_event(&ioevent, false, false); else /* Need to poll in userspace. */ - err = ioeventfd__add_event(&ioevent, true, true); + err = ioeventfd__add_event(&ioevent, false, true); if (err) return err;