Revert "[PATCH] i386: add idle notifier"

[linux-2.6-omap-h63xx.git] / arch / i386 / Kconfig

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index a3b3f6ee3642190d483d2003d9fde38f9769ccdd..2f7672545fe98ae0096d0249fefcf250dbdab5df 100644 (file)
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -18,6 +18,19 @@ config GENERIC_TIME
        bool
        default y
 
+config CLOCKSOURCE_WATCHDOG
+       bool
+       default y
+
+config GENERIC_CLOCKEVENTS
+       bool
+       default y
+
+config GENERIC_CLOCKEVENTS_BROADCAST
+       bool
+       default y
+       depends on X86_LOCAL_APIC
+
 config LOCKDEP_SUPPORT
        bool
        default y
@@ -74,6 +87,8 @@ source "init/Kconfig"
 
 menu "Processor type and features"
 
+source "kernel/time/Kconfig"
+
 config SMP
        bool "Symmetric multi-processing support"
        ---help---
@@ -205,7 +220,7 @@ config PARAVIRT
 
 config VMI
        bool "VMI Paravirt-ops support"
-       depends on PARAVIRT
+       depends on PARAVIRT && !NO_HZ
        default y
        help
          VMI provides a paravirtualized interface to multiple hypervisors
@@ -1272,3 +1287,12 @@ config X86_TRAMPOLINE
 config KTIME_SCALAR
        bool
        default y
+
+config NO_IDLE_HZ
+       bool
+       depends on PARAVIRT
+       default y
+       help
+         Switches the regular HZ timer off when the system is going idle.
+         This helps a hypervisor detect that the Linux system is idle,
+         reducing the overhead of idle systems.