On Wed, Jan 20, 2021 at 7:01 AM Wei Liu <wei.liu@xxxxxxxxxx> wrote: > > 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> > --- > v3: Return 0 instead of -ENODEV. > --- > 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 502f8cd95f6d..ee27b3670a51 100644 > --- a/drivers/hv/vmbus_drv.c > +++ b/drivers/hv/vmbus_drv.c > @@ -2620,6 +2620,9 @@ static int __init hv_acpi_init(void) > if (!hv_is_hyperv_initialized()) > return -ENODEV; > > + if (hv_root_partition) > + return 0; > + Reviewed-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
