AuxXxilium/linux_dsm_epyc7002
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911e1987ef
linux_dsm_epyc7002/drivers/hv
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Michael Kelley 911e1987ef Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload 
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>
2020-09-14 11:42:33 +00:00
..
channel_mgmt.c Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload 2020-09-14 11:42:33 +00:00
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 hyperv-next for 5.8 2020-06-03 15:00:05 -07:00
hv_util.c hv_utils: drain the timesync packets on onchannelcallback 2020-08-24 14:49:04 +00:00
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 hyperv-next for 5.8 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() 2020-09-09 11:37:19 +00:00