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Michael Kelley e03e0498b4 Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload 
[ Upstream commit 911e1987efc8f3e6445955fbae7f54b428b92bd3 ]

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: 415719160de3 ("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 12:40:40 +02:00
..
channel_mgmt.c
Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload
2020-09-23 12:40:40 +02:00
channel.c
Drivers: hv: vmbus: Fix virt_to_hvpfn() for X86_PAE
2019-08-20 12:49:57 -04:00
connection.c
Drivers: hv: vmbus: Always handle the VMBus messages on CPU0
2020-06-22 09:31:00 +02:00
hv_balloon.c
hv_balloon: Balloon up according to request page number
2020-02-11 04:35:21 -08:00
hv_fcopy.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 280
2019-06-05 17:36:36 +02:00
hv_kvp.c
Merge 4.20-rc4 into char-misc-next
2018-11-26 07:50:56 +01:00
hv_snapshot.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 280
2019-06-05 17:36:36 +02:00
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
tools: hv: Use the correct style for SPDX License Identifier
2019-08-17 15:29:34 -04:00
hv_util.c
clocksource/drivers: Continue making Hyper-V clocksource ISA agnostic
2019-07-03 11:00:59 +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
Drivers: hv: vmbus: Always handle the VMBus messages on CPU0
2020-06-22 09:31:00 +02:00
hyperv_vmbus.h
Drivers: hv: vmbus: Always handle the VMBus messages on CPU0
2020-06-22 09:31:00 +02:00
Kconfig
clocksource/drivers/hyperv: Enable TSC page clocksource on 32bit
2019-08-23 16:59:54 +02:00
Makefile
hv_balloon: trace post_status
2018-03-06 09:57:17 -08:00
ring_buffer.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 320
2019-06-05 17:37:05 +02:00
vmbus_drv.c
Drivers: hv: vmbus: hibernation: do not hang forever in vmbus_bus_resume()
2020-09-23 12:40:40 +02:00