Michael Kelley b3233e4ae6 Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload ...

[ Upstream commit 911e1987ef ]

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.

Fixes: 415719160d ("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>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/1600026449-23651-1-git-send-email-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2020-09-23 12:59:55 +02:00

..

channel_mgmt.c

Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload

2020-09-23 12:59:55 +02:00

channel.c

Drivers: hv: vmbus: Introduce the CHANNELMSG_MODIFYCHANNEL message type

2020-04-23 13:17:12 +00:00

connection.c

Drivers: hv: vmbus: Replace the per-CPU channel lists with a global array of channels

2020-04-23 13:17:11 +00:00

hv_balloon.c

hv_balloon: don't check for memhp_auto_online manually

2020-04-07 10:43:40 -07:00

hv_debugfs.c

hv_debugfs: Make hv_debug_root static

2020-04-04 17:47:43 +01:00

hv_fcopy.c

hv_utils: Always execute the fcopy and vss callbacks in a tasklet

2020-04-23 13:17:11 +00:00

hv_kvp.c

hv_utils: Add the support of hibernation

2020-01-26 22:10:17 -05:00

hv_snapshot.c

hv_utils: Always execute the fcopy and vss callbacks in a tasklet

2020-04-23 13:17:11 +00:00

hv_trace_balloon.h

hv_balloon: trace post_status

2018-03-06 09:57:17 -08:00

hv_trace.c

hv: add SPDX license to trace

2018-03-28 13:24:56 +02:00

hv_trace.h

Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

2020-06-03 15:00:05 -07:00

hv_util.c

hv_utils: drain the timesync packets on onchannelcallback

2020-09-09 19:14:10 +02:00

hv_utils_transport.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 280

2019-06-05 17:36:36 +02:00

hv_utils_transport.h

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 280

2019-06-05 17:36:36 +02:00

hv.c

Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

2020-06-03 15:00:05 -07:00

hyperv_vmbus.h

Drivers: hv: vmbus: Resolve more races involving init_vp_index()

2020-05-23 09:07:00 +00:00

Kconfig

clocksource/drivers/hyperv: Enable TSC page clocksource on 32bit

2019-08-23 16:59:54 +02:00

Makefile

drivers: hv: vmbus: Introduce latency testing

2019-11-21 20:10:44 -05:00

ring_buffer.c

drivers: hv: vmbus: Introduce latency testing

2019-11-21 20:10:44 -05:00

vmbus_drv.c

Drivers: hv: vmbus: hibernation: do not hang forever in vmbus_bus_resume()

2020-09-23 12:59:55 +02:00