From: Nuno Das Neves <[email protected]> Sent: Thursday, July 3, 2025 3:45 PM > > From: Mukesh Rathor <[email protected]> > > The root partition only uses VMBus when running nested. > > When running on baremetal the Hyper-V PCI driver is not needed, > so do not initialize it. > > Signed-off-by: Mukesh Rathor <[email protected]> > Signed-off-by: Nuno Das Neves <[email protected]> > Reviewed-by: Roman Kisel <[email protected]> > --- > drivers/pci/controller/pci-hyperv.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/pci/controller/pci-hyperv.c > b/drivers/pci/controller/pci-hyperv.c > index b4f29ee75848..4d25754dfe2f 100644 > --- a/drivers/pci/controller/pci-hyperv.c > +++ b/drivers/pci/controller/pci-hyperv.c > @@ -4150,6 +4150,9 @@ static int __init init_hv_pci_drv(void) > if (!hv_is_hyperv_initialized()) > return -ENODEV; > > + if (hv_root_partition() && !hv_nested) > + return -ENODEV; > + > ret = hv_pci_irqchip_init(); > if (ret) > return ret; > -- > 2.34.1
Reviewed-by: Michael Kelley <[email protected]>
