X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=wrapper%2Fpoll.h;h=540be3153a5de22ab7a06d5e2f86d7e39f4f0bc4;hb=d29348f75d6b5ff0e50ef2b32b07dd3435d4cee5;hp=ae524730cda3e184c34293e69d8bd7beec4fa5d3;hpb=24cedcfefbfe781af5430e07a327030cc7caddfc;p=lttng-modules.git

diff --git a/wrapper/poll.h b/wrapper/poll.h
index ae524730..540be315 100644
--- a/wrapper/poll.h
+++ b/wrapper/poll.h
@@ -4,17 +4,16 @@
 /*
  * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com)
  *
- * wrapper around poll __pollwait and poll_get_entry. Using KALLSYMS to get its
- * address when available, else we need to have a kernel that exports this
- * function to GPL modules.
- *
  * Dual LGPL v2.1/GPL v2 license.
  */
 
 #include <linux/poll.h>
 
-void wrapper_pollwait_exclusive(struct file *filp,
-			 wait_queue_head_t *wait_address,
-			 poll_table *p);
+/*
+ * Note: poll_wait_set_exclusive() is defined as no-op. Thundering herd
+ * effect can be noticed with large number of consumer threads.
+ */
+
+#define poll_wait_set_exclusive(poll_table)
 
 #endif /* _LTTNG_WRAPPER_POLL_H */