tracing: Drop the nested field from lock_release event
Drop the nested field as we don't use it. Every nested state can
be computed from a state machine on post processing already.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Steven Rostedt <rostedt@goodmis.org>
diff --git a/include/trace/events/lock.h b/include/trace/events/lock.h
index 17ca287..fde4c38 100644
--- a/include/trace/events/lock.h
+++ b/include/trace/events/lock.h
@@ -37,9 +37,9 @@
TRACE_EVENT(lock_release,
- TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
+ TP_PROTO(struct lockdep_map *lock, unsigned long ip),
- TP_ARGS(lock, nested, ip),
+ TP_ARGS(lock, ip),
TP_STRUCT__entry(
__string(name, lock->name)
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 31e22e7..e9c759f 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3227,7 +3227,7 @@
raw_local_irq_save(flags);
check_flags(flags);
current->lockdep_recursion = 1;
- trace_lock_release(lock, nested, ip);
+ trace_lock_release(lock, ip);
__lock_release(lock, nested, ip);
current->lockdep_recursion = 0;
raw_local_irq_restore(flags);