linux-kernel - [PATCH v2 0/4] hv_utils: Add the support of hibernation

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Message-ID: <HK0P153MB0148968D9EFBFAE1E881674CBF350@HK0P153MB0148.APCP153.PROD.OUTLOOK.COM>
Date:   Mon, 13 Jan 2020 06:29:13 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "sashal@...nel.org" <sashal@...nel.org>,
        Sasha Levin <Alexander.Levin@...rosoft.com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        Michael Kelley <mikelley@...rosoft.com>,
        vkuznets <vkuznets@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 0/4] hv_utils: Add the support of hibernation

Hi,
This is an updated version of the v1 patchset:
https://lkml.org/lkml/2019/9/11/861

Patch #1 is a new patch that makes the daemons more robust.

Patch #2 is the same as v1.

Patch #3 sends the host-initiated hibernation request to the user space via udev.
(v1 used call_usermodehelper() and "/sbin/hyperv-hibernate".)

Patch #4 handles fcopy/vss specially to avoid possible inconsistent states.

Please review.

Thanks!

Dexuan Cui (4):
  Patch #1: Tools: hv: Reopen the devices if read() or write() returns errors
  Patch #2: hv_utils: Support host-initiated restart request
  Patch #3: hv_utils: Support host-initiated hibernation request
  Patch #4: hv_utils: Add the support of hibernation

 drivers/hv/hv_fcopy.c      |  58 +++++++++++++++-
 drivers/hv/hv_kvp.c        |  44 +++++++++++-
 drivers/hv/hv_snapshot.c   |  60 ++++++++++++++++-
 drivers/hv/hv_util.c       | 133 ++++++++++++++++++++++++++++++++++++-
 drivers/hv/hyperv_vmbus.h  |   6 ++
 include/linux/hyperv.h     |   2 +
 tools/hv/hv_fcopy_daemon.c |  19 ++++--
 tools/hv/hv_kvp_daemon.c   |  25 ++++---
 tools/hv/hv_vss_daemon.c   |  25 +++++--
 9 files changed, 344 insertions(+), 28 deletions(-)

-- 
2.19.1