[PATCH] rcu: Reword help of RCU_TRACE option

From: Nikolay Borisov
Date: Wed Oct 05 2016 - 03:06:35 EST

Explicitly state that enabling RCU_TRACE enables more
tracepoints and not just "additional tracing".

Signed-off-by: Nikolay Borisov <kernel@xxxxxxxx>

Hello Paul,

Following our latest conversation re. enabling RCU tracing
I had to actually go and look into the code to see which
option enables the additional tracepoints. I wasn't sure
while reading the help of TRACE_RCU. So here is a patch
which explicitly states that this enables additional

Apply it if you deem necessary it might be just me that
thinks the description is not verbose enough.

lib/Kconfig.debug | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index cab7405f48d2..f8c3468ec7ef 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1429,8 +1429,8 @@ config RCU_TRACE
depends on DEBUG_KERNEL
- This option provides tracing in RCU which presents stats
- in debugfs for debugging RCU implementation.
+ This option enables additional tracepoints in RCU which present
+ stats in debugfs for debugging RCU implementation.

Say Y here if you want to enable RCU tracing
Say N if you are unsure.