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-rw-r--r--kernel/Kconfig.preempt13
1 files changed, 6 insertions, 7 deletions
diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt
index c64ce9c14207..0669b70fa6a3 100644
--- a/kernel/Kconfig.preempt
+++ b/kernel/Kconfig.preempt
@@ -52,14 +52,13 @@ config PREEMPT
52 52
53endchoice 53endchoice
54 54
55config PREEMPT_BKL 55config RCU_TRACE
56 bool "Preempt The Big Kernel Lock" 56 bool "Enable tracing for RCU - currently stats in debugfs"
57 depends on SMP || PREEMPT 57 select DEBUG_FS
58 default y 58 default y
59 help 59 help
60 This option reduces the latency of the kernel by making the 60 This option provides tracing in RCU which presents stats
61 big kernel lock preemptible. 61 in debugfs for debugging RCU implementation.
62 62
63 Say Y here if you are building a kernel for a desktop system. 63 Say Y here if you want to enable RCU tracing
64 Say N if you are unsure. 64 Say N if you are unsure.
65