help
Choose this option if your computer is a standard PC or compatible.
+config X86_XEN
+ bool "Xen-compatible"
+ select X86_UP_APIC if !SMP && XEN_PRIVILEGED_GUEST
+ select X86_UP_IOAPIC if !SMP && XEN_PRIVILEGED_GUEST
+ select SWIOTLB
+ help
+ Choose this option if you plan to run this kernel on top of the
+ Xen Hypervisor.
+
config X86_ELAN
bool "AMD Elan"
help
config HPET_TIMER
bool "HPET Timer Support"
+ depends on !X86_XEN
help
This enables the use of the HPET for the kernel's internal timer.
HPET is the next generation timer replacing legacy 8254s.
config SCHED_SMT
bool "SMT (Hyperthreading) scheduler support"
- depends on SMP
+ depends on SMP && !X86_XEN
default off
help
SMT scheduler support improves the CPU scheduler's decision making
config SCHED_MC
bool "Multi-core scheduler support"
- depends on SMP
+ depends on SMP && !X86_XEN
default y
help
Multi-core scheduler support improves the CPU scheduler's decision
config X86_UP_APIC
bool "Local APIC support on uniprocessors"
- depends on !SMP && !(X86_VISWS || X86_VOYAGER)
+ depends on !SMP && !(X86_VISWS || X86_VOYAGER || XEN_UNPRIVILEGED_GUEST)
help
A local APIC (Advanced Programmable Interrupt Controller) is an
integrated interrupt controller in the CPU. If you have a single-CPU
config X86_LOCAL_APIC
bool
- depends on X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER)
+ depends on X86_UP_APIC || ((X86_VISWS || SMP) && !(X86_VOYAGER || XEN_UNPRIVILEGED_GUEST))
default y
config X86_IO_APIC
bool
- depends on X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER))
+ depends on X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER || XEN_UNPRIVILEGED_GUEST))
default y
config X86_VISWS_APIC
depends on X86_VISWS
default y
+config X86_TSC
+ bool
+ depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MGEODEGX1) && !X86_NUMAQ && !X86_XEN
+ default y
+
config X86_MCE
bool "Machine Check Exception"
- depends on !X86_VOYAGER
+ depends on !(X86_VOYAGER || X86_XEN)
---help---
Machine Check Exception support allows the processor to notify the
kernel if it detects a problem (e.g. overheating, component failure).
config MICROCODE
tristate "/dev/cpu/microcode - Intel IA32 CPU microcode support"
+ depends on !XEN_UNPRIVILEGED_GUEST
---help---
If you say Y here and also to "/dev file system support" in the
'File systems' section, you will be able to update the microcode on
config X86_MSR
tristate "/dev/cpu/*/msr - Model-specific register support"
+ depends on !X86_XEN
help
This device gives privileged processes access to the x86
Model-Specific Registers (MSRs). It is a character device with
with major 203 and minors 0 to 31 for /dev/cpu/0/cpuid to
/dev/cpu/31/cpuid.
+config SWIOTLB
+ bool
+ default n
+
source "drivers/firmware/Kconfig"
choice
config HIGHPTE
bool "Allocate 3rd-level pagetables from highmem"
- depends on HIGHMEM4G || HIGHMEM64G
+ depends on (HIGHMEM4G || HIGHMEM64G) && !X86_XEN
help
The VM uses one page table entry for each page of physical memory.
For systems with a lot of RAM, this can be wasteful of precious
config MATH_EMULATION
bool "Math emulation"
+ depends on !X86_XEN
---help---
Linux can emulate a math coprocessor (used for floating point
operations) if you don't have one. 486DX and Pentium processors have
config MTRR
bool "MTRR (Memory Type Range Register) support"
+ depends on !XEN_UNPRIVILEGED_GUEST
+ default y if X86_XEN
---help---
On Intel P6 family processors (Pentium Pro, Pentium II and later)
the Memory Type Range Registers (MTRRs) may be used to control
config EFI
bool "Boot from EFI support (EXPERIMENTAL)"
- depends on ACPI
+ depends on ACPI && !X86_XEN
default n
---help---
This enables the the kernel to boot on EFI platforms using
config IRQBALANCE
bool "Enable kernel irq balancing"
- depends on SMP && X86_IO_APIC
+ depends on SMP && X86_IO_APIC && !X86_XEN
default y
help
The default yes will allow the kernel to do irq load balancing.
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ depends on EXPERIMENTAL && !X86_XEN
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
endmenu
+config ARCH_ENABLE_MEMORY_HOTPLUG
+ def_bool y
+ depends on HIGHMEM
menu "Power management options (ACPI, APM)"
- depends on !X86_VOYAGER
+ depends on !(X86_VOYAGER || XEN_UNPRIVILEGED_GUEST)
+if !X86_XEN
source kernel/power/Kconfig
+endif
source "drivers/acpi/Kconfig"
menu "APM (Advanced Power Management) BIOS Support"
-depends on PM && !X86_VISWS
+depends on PM && !(X86_VISWS || X86_XEN)
config APM
tristate "APM (Advanced Power Management) BIOS support"
- depends on PM
+ depends on PM && PM_LEGACY
---help---
APM is a BIOS specification for saving power using several different
techniques. This is mostly useful for battery powered laptops with
config PCI_GOBIOS
bool "BIOS"
+ depends on !X86_XEN
config PCI_GOMMCONFIG
bool "MMConfig"
config PCI_GODIRECT
bool "Direct"
+config PCI_GOXEN_FE
+ bool "Xen PCI Frontend"
+ depends on X86_XEN
+ help
+ The PCI device frontend driver allows the kernel to import arbitrary
+ PCI devices from a PCI backend to support PCI driver domains.
+
config PCI_GOANY
bool "Any"
config PCI_BIOS
bool
- depends on !X86_VISWS && PCI && (PCI_GOBIOS || PCI_GOANY)
+ depends on !(X86_VISWS || X86_XEN) && PCI && (PCI_GOBIOS || PCI_GOANY)
default y
config PCI_DIRECT
depends on PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY)
default y
+config XEN_PCIDEV_FRONTEND
+ bool
+ depends on PCI && X86_XEN && (PCI_GOXEN_FE || PCI_GOANY)
+ default y
+
+config XEN_PCIDEV_FE_DEBUG
+ bool "Xen PCI Frontend Debugging"
+ depends on XEN_PCIDEV_FRONTEND
+ default n
+ help
+ Enables some debug statements within the PCI Frontend.
+
source "drivers/pci/pcie/Kconfig"
source "drivers/pci/Kconfig"
config ISA
bool "ISA support"
- depends on !(X86_VOYAGER || X86_VISWS)
+ depends on !(X86_VOYAGER || X86_VISWS || X86_XEN)
help
Find out whether you have ISA slots on your motherboard. ISA is the
name of a bus system, i.e. the way the CPU talks to the other stuff
source "drivers/eisa/Kconfig"
config MCA
- bool "MCA support" if !(X86_VISWS || X86_VOYAGER)
+ bool "MCA support" if !(X86_VISWS || X86_VOYAGER || X86_XEN)
default y if X86_VOYAGER
help
MicroChannel Architecture is found in some IBM PS/2 machines and
source "crypto/Kconfig"
+source "drivers/xen/Kconfig"
+
source "lib/Kconfig"
#
config X86_HT
bool
- depends on SMP && !(X86_VISWS || X86_VOYAGER)
+ depends on SMP && !(X86_VISWS || X86_VOYAGER || X86_XEN)
default y
config X86_BIOS_REBOOT
depends on X86_SMP || (X86_VOYAGER && SMP)
default y
+config X86_NO_TSS
+ bool
+ depends on X86_XEN
+ default y
+
+config X86_NO_IDT
+ bool
+ depends on X86_XEN
+ default y
+
config KTIME_SCALAR
bool
default y