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Merge remote branch 'linus/master'
[powerpc.git]
/
kernel
/
Kconfig.preempt
diff --git
a/kernel/Kconfig.preempt
b/kernel/Kconfig.preempt
index
6b06663
..
0669b70
100644
(file)
--- a/
kernel/Kconfig.preempt
+++ b/
kernel/Kconfig.preempt
@@
-52,17
+52,13
@@
config PREEMPT
endchoice
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
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.
Say N if you are unsure.
-
-config PREEMPT_NOTIFIERS
- bool
-