2022-12-09 05:37:09

by Jinank Jain

Subject: [PATCH v8 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 0f00d57b7c25..6324e01d5eec 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -2745,7 +2745,7 @@ 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

2022-12-09 19:12:15

by Nuno Das Neves

Subject: Re: [PATCH v8 4/5] Drivers: hv: Enable vmbus driver for nested root partition

On 12/8/2022 9:32 PM, Jinank Jain wrote:
> 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 0f00d57b7c25..6324e01d5eec 100644
> --- a/drivers/hv/vmbus_drv.c
> +++ b/drivers/hv/vmbus_drv.c
> @@ -2745,7 +2745,7 @@ 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;
>
> /*
>

Reviewed-by: Nuno Das Neves <[email protected]>