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@kyup.com>
[ paulmck:  Do some wordsmithing. ]
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 33bc56cf60d71fc81f5f5981100406e1c7a91b10..4a431f18f2181a7441af3074b388dd25f3344587 100644 (file)
--- 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.