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From:   Michael Kelley <mikelley@microsoft.com>
To:     Dexuan Cui <decui@microsoft.com>,
        "linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
        "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
        Stephen Hemminger <sthemmin@microsoft.com>,
        Sasha Levin <Alexander.Levin@microsoft.com>,
        "sashal@kernel.org" <sashal@kernel.org>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        KY Srinivasan <kys@microsoft.com>,
        "tglx@linutronix.de" <tglx@linutronix.de>
CC:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v2 6/7] Drivers: hv: vmbus: Suspend/resume the vmbus
 itself for hibernation
Thread-Topic: [PATCH v2 6/7] Drivers: hv: vmbus: Suspend/resume the vmbus
 itself for hibernation
Thread-Index: AQHVR8iruWjeXMDDo0mhtEN+e0v9pabv2CsQ
Date:   Wed, 7 Aug 2019 15:22:49 +0000
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From: Dexuan Cui <decui@microsoft.com> Sent: Wednesday, July 31, 2019 10:52=
 AM
>=20
> Before Linux enters hibernation, it sends the CHANNELMSG_UNLOAD message t=
o
> the host so all the offers are gone. After hibernation, Linux needs to
> re-negotiate with the host using the same vmbus protocol version (which
> was in use before hibernation), and ask the host to re-offer the vmbus
> devices.
>=20
> Signed-off-by: Dexuan Cui <decui@microsoft.com>
> ---
>  drivers/hv/connection.c   |  3 +--
>  drivers/hv/hyperv_vmbus.h |  2 ++
>  drivers/hv/vmbus_drv.c    | 50
> +++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 53 insertions(+), 2 deletions(-)
>=20

Reviewed-by: Michael Kelley <mikelley@microsoft.com>