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-rw-r--r--include/linux/hyperv.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index b3e24368930a..14131b6fae68 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -905,6 +905,13 @@ struct vmbus_channel {
bool probe_done;
+ /*
+ * We must offload the handling of the primary/sub channels
+ * from the single-threaded vmbus_connection.work_queue to
+ * two different workqueue, otherwise we can block
+ * vmbus_connection.work_queue and hang: see vmbus_process_offer().
+ */
+ struct work_struct add_channel_work;
};
static inline bool is_hvsock_channel(const struct vmbus_channel *c)