When the "No host device provided" error occurs, the hint message that starts with "Use -vfio-pci," makes no sense, since "-vfio-pci" is not a valid command line parameter.
Correct this by replacing "-vfio-pci" with "-device vfio-pci". Signed-off-by: Dong Jia Shi <bjsdj...@linux.vnet.ibm.com> --- hw/vfio/pci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 03a3d01..32aca77 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -2625,8 +2625,8 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) if (!(~vdev->host.domain || ~vdev->host.bus || ~vdev->host.slot || ~vdev->host.function)) { error_setg(errp, "No provided host device"); - error_append_hint(errp, "Use -vfio-pci,host=DDDD:BB:DD.F " - "or -vfio-pci,sysfsdev=PATH_TO_DEVICE\n"); + error_append_hint(errp, "Use -device vfio-pci,host=DDDD:BB:DD.F " + "or -device vfio-pci,sysfsdev=PATH_TO_DEVICE\n"); return; } vdev->vbasedev.sysfsdev = -- 2.10.2