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Subject: Re: [PATCH v8 4/5] Drivers: hv: Enable vmbus driver for nested root
 partition
To:     Jinank Jain <jinankjain@linux.microsoft.com>,
        jinankjain@microsoft.com
Cc:     kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
        decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com,
        bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org,
        hpa@zytor.com, arnd@arndb.de, peterz@infradead.org,
        jpoimboe@kernel.org, seanjc@google.com,
        kirill.shutemov@linux.intel.com, ak@linux.intel.com,
        sathyanarayanan.kuppuswamy@linux.intel.com,
        linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arch@vger.kernel.org, anrayabh@linux.microsoft.com,
        mikelley@microsoft.com
References: <cover.1670561320.git.jinankjain@linux.microsoft.com>
 <c8aa55ee5b48f301ef721908e6195a102a089d42.1670561320.git.jinankjain@linux.microsoft.com>
From:   Nuno Das Neves <nunodasneves@linux.microsoft.com>
Message-ID: <b69f0aa9-3f6e-b1d4-7927-1c807adbbf75@linux.microsoft.com>
Date:   Fri, 9 Dec 2022 10:16:56 -0800
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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 <jinankjain@linux.microsoft.com>
> ---
>  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 <nunodasneves@linux.microsoft.com>