[PATCH] sched: disable preempt in idle tasks

[linux-2.6] / arch / arm / Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 91d5ef3..3bfef09 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -356,6 +356,16 @@ config HOTPLUG_CPU
          Say Y here to experiment with turning CPUs off and on.  CPUs
          can be controlled through /sys/devices/system/cpu.
 
+config LOCAL_TIMERS
+       bool "Use local timer interrupts"
+       depends on SMP && n
+       default y
+       help
+         Enable support for local timers on SMP platforms, rather then the
+         legacy IPI broadcast method.  Local timers allows the system
+         accounting to be spread across the timer interval, preventing a
+         "thundering herd" at every timer tick.
+
 config PREEMPT
        bool "Preemptible Kernel (EXPERIMENTAL)"
        depends on EXPERIMENTAL