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-rw-r--r--arch/i386/Kconfig37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 0dfee812811a..2f7672545fe9 100644
--- 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
@@ -38,6 +51,10 @@ config MMU
bool
default y
+config ZONE_DMA
+ bool
+ default y
+
config SBUS
bool
@@ -70,6 +87,8 @@ source "init/Kconfig"
menu "Processor type and features"
+source "kernel/time/Kconfig"
+
config SMP
bool "Symmetric multi-processing support"
---help---
@@ -199,6 +218,15 @@ config PARAVIRT
However, when run without a hypervisor the kernel is
theoretically slower. If in doubt, say N.
+config VMI
+ bool "VMI Paravirt-ops support"
+ depends on PARAVIRT && !NO_HZ
+ default y
+ help
+ VMI provides a paravirtualized interface to multiple hypervisors
+ include VMware ESX server and Xen by connecting to a ROM module
+ provided by the hypervisor.
+
config ACPI_SRAT
bool
default y
@@ -1259,3 +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.