[tip:core/rcu] rcu: RCU_TRACE enables event tracing as well as debugfs

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Commit-ID:  f2151a0a3436edbed454f48f9f94321eb70e3d2b
Gitweb:     http://git.kernel.org/tip/f2151a0a3436edbed454f48f9f94321eb70e3d2b
Author:     Nikolay Borisov <kernel@xxxxxxxx>
AuthorDate: Thu, 6 Oct 2016 05:42:39 -0700
Committer:  Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Mon, 14 Nov 2016 10:46:25 -0800

rcu: RCU_TRACE enables event tracing as well as debugfs

The commit brings the RCU_TRACE Kconfig option's help text up to date
by noting that it enables additional event tracing as well as debugfs.

Signed-off-by: Nikolay Borisov <kernel@xxxxxxxx>
[ paulmck:  Do some wordsmithing. ]
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
---
 lib/Kconfig.debug | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 33bc56c..4a431f1 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1430,7 +1430,8 @@ config RCU_TRACE
 	select TRACE_CLOCK
 	help
 	  This option provides tracing in RCU which presents stats
-	  in debugfs for debugging RCU implementation.
+	  in debugfs for debugging RCU implementation.  It also enables
+	  additional tracepoints for ftrace-style event tracing.
 
 	  Say Y here if you want to enable RCU tracing
 	  Say N if you are unsure.
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