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
Date: Wed, 7 Aug 2019 15:22:49 +0000 [thread overview]
Message-ID: <DM5PR21MB0137C778E75E6A90234C7B5AD7D40@DM5PR21MB0137.namprd21.prod.outlook.com> (raw)
In-Reply-To: <1564595464-56520-7-git-send-email-decui@microsoft.com>
From: Dexuan Cui <decui@microsoft.com> Sent: Wednesday, July 31, 2019 10:52 AM
>
> Before Linux enters hibernation, it sends the CHANNELMSG_UNLOAD message to
> 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.
>
> 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(-)
>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
next prev parent reply other threads:[~2019-08-07 15:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-31 17:52 [PATCH v2 0/7] Enhance the hv_vmbus driver to support hibernation Dexuan Cui
2019-07-31 17:52 ` [PATCH v2 1/7] x86/hyper-v: Suspend/resume the hypercall page for hibernation Dexuan Cui
2019-07-31 17:52 ` [PATCH v2 2/7] clocksource/drivers: Suspend/resume Hyper-V clocksource " Dexuan Cui
2019-07-31 17:52 ` [PATCH v2 3/7] Drivers: hv: vmbus: Break out synic enable and disable operations Dexuan Cui
2019-07-31 17:52 ` [PATCH v2 4/7] Drivers: hv: vmbus: Suspend/resume the synic for hibernation Dexuan Cui
2019-08-07 15:21 ` Michael Kelley
2019-07-31 17:52 ` [PATCH v2 5/7] Drivers: hv: vmbus: Ignore the offers when resuming from hibernation Dexuan Cui
2019-08-07 15:22 ` Michael Kelley
2019-07-31 17:52 ` [PATCH v2 6/7] Drivers: hv: vmbus: Suspend/resume the vmbus itself for hibernation Dexuan Cui
2019-08-07 15:22 ` Michael Kelley [this message]
2019-08-07 23:09 ` Dexuan Cui
2019-07-31 17:52 ` [PATCH v2 7/7] Drivers: hv: vmbus: Implement suspend/resume for VSC drivers " Dexuan Cui
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