2022-11-17 03:46:22

by Jinank Jain

Subject: [PATCH v4 4/5] Drivers: hv: Enable vmbus driver for nested root partition

Currently VMBus driver is not initialized for root partition but we need
to enable the VMBus driver for nested root partition. This is required,
so that L2 root can use the VMBus devices.

Signed-off-by: Jinank Jain <[email protected]>
---
drivers/hv/vmbus_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index db00d20c726d..0937877eade9 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -2744,7 +2744,7 @@ static int __init hv_acpi_init(void)
if (!hv_is_hyperv_initialized())
return -ENODEV;

- if (hv_root_partition)
+ if (hv_root_partition && !hv_nested)
return 0;

/*
--
2.25.1

2022-11-18 15:59:35

by Michael Kelley (LINUX)

Subject: RE: [PATCH v4 4/5] Drivers: hv: Enable vmbus driver for nested root partition

From: Jinank Jain <[email protected]> Sent: Wednesday, November 16, 2022 7:28 PM
>
> Currently VMBus driver is not initialized for root partition but we need
> to enable the VMBus driver for nested root partition. This is required,
> so that L2 root can use the VMBus devices.
>
> Signed-off-by: Jinank Jain <[email protected]>
> ---
> drivers/hv/vmbus_drv.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
> index db00d20c726d..0937877eade9 100644
> --- a/drivers/hv/vmbus_drv.c
> +++ b/drivers/hv/vmbus_drv.c
> @@ -2744,7 +2744,7 @@ static int __init hv_acpi_init(void)
> if (!hv_is_hyperv_initialized())
> return -ENODEV;
>
> - if (hv_root_partition)
> + if (hv_root_partition && !hv_nested)
> return 0;
>
> /*
> --
> 2.25.1

Reviewed-by: Michael Kelley <[email protected]>