Commit-ID: 76027ea863fc02698da536b4970784eed3caa635
Gitweb: http://git.kernel.org/tip/76027ea863fc02698da536b4970784eed3caa635
Author: Steven Rostedt <srostedt@xxxxxxxxxx>
AuthorDate: Tue, 7 Feb 2012 09:46:01 -0500
Committer: Steven Rostedt <rostedt@xxxxxxxxxxx>
CommitDate: Mon, 13 Feb 2012 09:14:46 -0500
cpuidle/tracing: Denote the tracepoints as being in rcu_idle_exit() section
As the tracepoints in the cpuidle code are called when rcu_idle_exit() is in
effect, the _rcuidle() version must be used, otherwise the rcu_read_lock()s
that protect the tracepoint will not be honored.
Cc: Len Brown <len.brown@xxxxxxxxx>
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
Reviewed-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
drivers/cpuidle/cpuidle.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 59f4261..6588f43 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -94,13 +94,13 @@ int cpuidle_idle_call(void)
target_state = &drv->states[next_state];
- trace_power_start(POWER_CSTATE, next_state, dev->cpu);
- trace_cpu_idle(next_state, dev->cpu);
+ trace_power_start_rcuidle(POWER_CSTATE, next_state, dev->cpu);
+ trace_cpu_idle_rcuidle(next_state, dev->cpu);
entered_state = target_state->enter(dev, drv, next_state);
- trace_power_end(dev->cpu);
- trace_cpu_idle(PWR_EVENT_EXIT, dev->cpu);
+ trace_power_end_rcuidle(dev->cpu);
+ trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, dev->cpu);
if (entered_state >= 0) {
/* Update cpuidle counters */
--
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