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 c64ce9c1420..0669b70fa6a 100644 --- a/kernel/Kconfig.preempt +++ b/kernel/Kconfig.preempt @@ -52,14 +52,13 @@ config PREEMPT endchoice -config PREEMPT_BKL - bool "Preempt The Big Kernel Lock" - depends on SMP || PREEMPT +config RCU_TRACE + bool "Enable tracing for RCU - currently stats in debugfs" + select DEBUG_FS default y help - This option reduces the latency of the kernel by making the - big kernel lock preemptible. + This option provides tracing in RCU which presents stats + in debugfs for debugging RCU implementation. - Say Y here if you are building a kernel for a desktop system. + Say Y here if you want to enable RCU tracing Say N if you are unsure. - |