diff options
Diffstat (limited to 'kernel/Kconfig.preempt')
-rw-r--r-- | kernel/Kconfig.preempt | 13 |
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 | ||
53 | endchoice | 53 | endchoice |
54 | 54 | ||
55 | config PREEMPT_BKL | 55 | config 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 | |||