Wei Liu <wei.liu@xxxxxxxxxx> writes: > There is no VMBus and the other infrastructures initialized in > hv_acpi_init when Linux is running as the root partition. > > Signed-off-by: Wei Liu <wei.liu@xxxxxxxxxx> > --- > drivers/hv/vmbus_drv.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c > index 4fad3e6745e5..37c4d3a28309 100644 > --- a/drivers/hv/vmbus_drv.c > +++ b/drivers/hv/vmbus_drv.c > @@ -2612,6 +2612,9 @@ static int __init hv_acpi_init(void) > if (!hv_is_hyperv_initialized()) > return -ENODEV; > > + if (hv_root_partition) > + return -ENODEV; > + Nit: any particular reason why we need to return an error from here? I'd suggest we 'return 0;' if it doesn't break anything (we're still running on Hyper-V, it's just a coincedence that there's nothing to do here, eventually we may get some devices/handlers I guess. Also, there's going to be server-side Vmbus eventually, we may as well initialize it here. > init_completion(&probe_event); > > /* -- Vitaly
