linux-kernel - [PATCH net-next v2 0/2] hv_netvsc: fix a hang on channel/mtu changes

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Date:   Thu,  2 Nov 2017 11:35:29 +0100
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next v2 0/2] hv_netvsc: fix a hang on channel/mtu changes

It was found that netvsc driver doesn't survive e.g.

# while true; do ethtool -L eth0 combined 4; ethtool -L eth0 combined 8; done"

test. I was able to identify a hang in guest/host communication, it is
fixed by PATCH1 of this series. PATCH2 is a cosmetic change masking
unneeded messages.

Changes since v1:
- Throw away patches 2 and 3 of the original series as one is unneeded and
  the other is not justified [Eric Dumazet, Stephen Hemminger] so I'm only
  fixing the hang now, the crash doesn't reproduce. Will keep an eye on it.

Vitaly Kuznetsov (2):
  hv_netvsc: netvsc_teardown_gpadl() split
  hv_netvsc: hide warnings about uninitialized/missing rndis device

 drivers/net/hyperv/netvsc.c       | 69 ++++++++++++++++++++-------------------
 drivers/net/hyperv/rndis_filter.c |  4 +--
 2 files changed, 38 insertions(+), 35 deletions(-)

-- 
2.13.6