[PATCH 1/2] vmbus: don't acquire the mutex in vmbus_hvsock_device_unregister()

2017-09-22 Thread kys
From: Dexuan Cui Due to commit 54a66265d675 ("Drivers: hv: vmbus: Fix rescind handling"), we need this patch to resolve the below deadlock: after we get the mutex in vmbus_hvsock_device_unregister() and call vmbus_device_unregister() -> device_unregister() -> ... ->

[PATCH 1/2] vmbus: don't acquire the mutex in vmbus_hvsock_device_unregister()

2017-09-22 Thread kys
From: Dexuan Cui Due to commit 54a66265d675 ("Drivers: hv: vmbus: Fix rescind handling"), we need this patch to resolve the below deadlock: after we get the mutex in vmbus_hvsock_device_unregister() and call vmbus_device_unregister() -> device_unregister() -> ... -> device_release() ->