The support for the 'ioeventfd' knob of virtio devices was introduced by QEMU commit 25db9ebe15125 contained in v0.14.0-rc0 and it can't be compiled out. Thus libvirt can assume it's support and remove conditional code. Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx> --- src/qemu/qemu_command.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 008700cc5f..0ff933fde9 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -1339,9 +1339,9 @@ qemuBuildRomStr(virBuffer *buf, static int qemuBuildIoEventFdStr(virBuffer *buf, virTristateSwitch use, - virQEMUCaps *qemuCaps) + virQEMUCaps *qemuCaps G_GNUC_UNUSED) { - if (use && virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_IOEVENTFD)) + if (use) virBufferAsprintf(buf, ",ioeventfd=%s", virTristateSwitchTypeToString(use)); return 0; -- 2.31.1