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From:   Dexuan Cui <decui@microsoft.com>
To:     Michael Kelley <mikelley@microsoft.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        vkuznets <vkuznets@redhat.com>,
        KY Srinivasan <kys@microsoft.com>,
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CC:     Michael Kelley <mikelley@microsoft.com>
Subject: RE: [PATCH 1/1] Drivers: hv: vmbus: Add timeout to
 vmbus_wait_for_unload
Thread-Topic: [PATCH 1/1] Drivers: hv: vmbus: Add timeout to
 vmbus_wait_for_unload
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Date:   Sun, 13 Sep 2020 19:56:30 +0000
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> From: linux-hyperv-owner@vger.kernel.org
> <linux-hyperv-owner@vger.kernel.org> On Behalf Of Michael Kelley
> Sent: Sunday, September 13, 2020 12:47 PM
>=20
> vmbus_wait_for_unload() looks for a CHANNELMSG_UNLOAD_RESPONSE
> message
> coming from Hyper-V.  But if the message isn't found for some reason,
> the panic path gets hung forever.  Add a timeout of 10 seconds to prevent
> this.
>=20
> Fixes: 415719160de3 ("Drivers: hv: vmbus: avoid scheduling in interrupt
> context in vmbus_initiate_unload()")
> Signed-off-by: Michael Kelley <mikelley@microsoft.com>

Reviewed-by: Dexuan Cui <decui@microsoft.com>