diff options
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r-- | arch/arm/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 91d5ef3397be..3bfef0934c9d 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig | |||
@@ -356,6 +356,16 @@ config HOTPLUG_CPU | |||
356 | Say Y here to experiment with turning CPUs off and on. CPUs | 356 | Say Y here to experiment with turning CPUs off and on. CPUs |
357 | can be controlled through /sys/devices/system/cpu. | 357 | can be controlled through /sys/devices/system/cpu. |
358 | 358 | ||
359 | config LOCAL_TIMERS | ||
360 | bool "Use local timer interrupts" | ||
361 | depends on SMP && n | ||
362 | default y | ||
363 | help | ||
364 | Enable support for local timers on SMP platforms, rather then the | ||
365 | legacy IPI broadcast method. Local timers allows the system | ||
366 | accounting to be spread across the timer interval, preventing a | ||
367 | "thundering herd" at every timer tick. | ||
368 | |||
359 | config PREEMPT | 369 | config PREEMPT |
360 | bool "Preemptible Kernel (EXPERIMENTAL)" | 370 | bool "Preemptible Kernel (EXPERIMENTAL)" |
361 | depends on EXPERIMENTAL | 371 | depends on EXPERIMENTAL |