Re: [PATCH 1/1] Drivers: hv: vmbus: Add VMbus IMC device to unsupported list

From: Wei Liu
Date: Mon Apr 25 2022 - 11:32:05 EST

On Tue, Apr 12, 2022 at 07:49:00PM -0700, Michael Kelley wrote:
> Hyper-V may offer an Initial Machine Configuration (IMC) synthetic
> device to guest VMs. The device may be used by Windows guests to get
> specialization information, such as the hostname. But the device
> is not used in Linux and there is no Linux driver, so it is
> unsupported.
> Currently, the IMC device GUID is not recognized by the VMbus driver,
> which results in an "Unknown GUID" error message during boot. Add
> the GUID to the list of known but unsupported devices so that the
> error message is not generated. Other than avoiding the error message,
> there is no change in guest behavior.
> Signed-off-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>

Applied to hyperv-next. Thanks.