config X86_32
def_bool !64BIT
- select CLKSRC_I8253
+ select CLKSRC_I8253 if !XEN
config X86_64
def_bool 64BIT
select HAVE_UNSTABLE_SCHED_CLOCK
select HAVE_IDE
select HAVE_OPROFILE
- select HAVE_PCSPKR_PLATFORM
+ select HAVE_PCSPKR_PLATFORM if !XEN_UNPRIVILEGED_GUEST
select HAVE_PERF_EVENTS
select HAVE_IRQ_WORK
select HAVE_IOREMAP_PROT
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
select HAVE_SYSCALL_TRACEPOINTS
- select HAVE_KVM
- select HAVE_ARCH_KGDB
+ select HAVE_KVM if !XEN
+ select HAVE_ARCH_KGDB if !XEN
select HAVE_ARCH_TRACEHOOK
select HAVE_GENERIC_DMA_COHERENT if X86_32
select HAVE_EFFICIENT_UNALIGNED_ACCESS
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_DMA_API_DEBUG
select HAVE_KERNEL_GZIP
- select HAVE_KERNEL_BZIP2
- select HAVE_KERNEL_LZMA
- select HAVE_KERNEL_XZ
- select HAVE_KERNEL_LZO
+ select HAVE_KERNEL_BZIP2 if !XEN
+ select HAVE_KERNEL_LZMA if !XEN
+ select HAVE_KERNEL_XZ if !XEN
+ select HAVE_KERNEL_LZO if !XEN
select HAVE_HW_BREAKPOINT
select HAVE_MIXED_BREAKPOINTS_REGS
select PERF_EVENTS
- select HAVE_PERF_EVENTS_NMI
+ select HAVE_PERF_EVENTS_NMI if !XEN
select ANON_INODES
select HAVE_ALIGNED_STRUCT_PAGE if SLUB && !M386
select HAVE_CMPXCHG_LOCAL if !M386
select IRQ_FORCED_THREADING
select USE_GENERIC_SMP_HELPERS if SMP
select HAVE_BPF_JIT if (X86_64 && NET)
- select CLKEVT_I8253
+ select CLKEVT_I8253 if !XEN
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select GENERIC_IOMAP
config CLOCKSOURCE_WATCHDOG
def_bool y
+ depends on !XEN
config GENERIC_CLOCKEVENTS
def_bool y
config ARCH_CLOCKSOURCE_DATA
def_bool y
- depends on X86_64
+ depends on X86_64 && !XEN
config GENERIC_CLOCKEVENTS_BROADCAST
def_bool y
depends on X86_64 || (X86_32 && X86_LOCAL_APIC)
+ depends on !XEN
config LOCKDEP_SUPPORT
def_bool y
bool
config NEED_DMA_MAP_STATE
- def_bool (X86_64 || INTEL_IOMMU || DMA_API_DEBUG)
+ def_bool (X86_64 || INTEL_IOMMU || DMA_API_DEBUG || SWIOTLB)
config NEED_SG_DMA_LENGTH
def_bool y
config ARCH_HIBERNATION_POSSIBLE
def_bool y
+ depends on !XEN
config ARCH_SUSPEND_POSSIBLE
def_bool y
config X86_HT
def_bool y
- depends on SMP
+ depends on SMP && !XEN
+
+config X86_NO_TSS
+ def_bool y
+ depends on XEN
+
+config X86_NO_IDT
+ def_bool y
+ depends on XEN
config X86_32_LAZY_GS
def_bool y
config ARCH_CPU_PROBE_RELEASE
def_bool y
- depends on HOTPLUG_CPU
+ depends on HOTPLUG_CPU && !XEN
source "init/Kconfig"
source "kernel/Kconfig.freezer"
For old smp systems that do not have proper acpi support. Newer systems
(esp with 64bit cpus) with acpi support, MADT and DSDT will override it
+config X86_XEN
+ bool "Xen-compatible"
+ depends on X86_32
+ select XEN
+ select X86_PAE
+ help
+ Choose this option if you plan to run this kernel on top of the
+ Xen Hypervisor.
+
config X86_BIGSMP
bool "Support for big SMP systems with more than 8 CPUs"
- depends on X86_32 && SMP
+ depends on X86_32 && SMP && !XEN
---help---
This option is needed for the systems that have more than 8 CPUs
-if X86_32
+if X86_32 && !XEN
config X86_EXTENDED_PLATFORM
bool "Support for extended (non-PC) x86 platforms"
default y
generic distribution kernel, say Y here - otherwise say N.
endif
-if X86_64
+config X86_64_XEN
+ bool "Enable Xen compatible kernel"
+ depends on X86_64
+ select XEN
+ help
+ This option will compile a kernel compatible with Xen hypervisor
+
+if X86_64 && !XEN
config X86_EXTENDED_PLATFORM
bool "Support for extended (non-PC) x86 platforms"
default y
config X86_32_IRIS
tristate "Eurobraille/Iris poweroff module"
- depends on X86_32
+ depends on X86_32 && !XEN
---help---
The Iris machines from EuroBraille do not have APM or ACPI support
to shut themselves down properly. A special I/O sequence is
menuconfig PARAVIRT_GUEST
bool "Paravirtualized guest support"
+ depends on !XEN
---help---
Say Y here to get to see options related to running Linux under
various hypervisors. This option alone does not add any kernel code.
config MEMTEST
bool "Memtest"
+ depends on !XEN
---help---
This option adds a kernel parameter 'memtest', which allows memtest
to be set.
config HPET_TIMER
def_bool X86_64
prompt "HPET Timer Support" if X86_32
+ depends on !XEN
---help---
Use the IA-PC HPET (High Precision Event Timer) to manage
time in preference to the PIT and RTC, if a HPET is
config DMI
default y
bool "Enable DMI scanning" if EXPERT
+ depends on !XEN_UNPRIVILEGED_GUEST
---help---
Enabled scanning of DMI to identify machine quirks. Say Y
here unless you have verified that your setup is not
bool "GART IOMMU support" if EXPERT
default y
select SWIOTLB
- depends on X86_64 && PCI && AMD_NB
+ depends on X86_64 && PCI && AMD_NB && !X86_64_XEN
---help---
Support for full DMA access of devices with 32bit memory access only
on systems with more than 3GB. This is usually needed for USB,
config CALGARY_IOMMU
bool "IBM Calgary IOMMU support"
select SWIOTLB
- depends on X86_64 && PCI && EXPERIMENTAL
+ depends on X86_64 && PCI && !X86_64_XEN && EXPERIMENTAL
---help---
Support for hardware IOMMUs in IBM's xSeries x366 and x460
systems. Needed to run systems with more than 3GB of memory
# need this always selected by IOMMU for the VIA workaround
config SWIOTLB
- def_bool y if X86_64
+ def_bool y if X86_64 || XEN
+ prompt "Software I/O TLB" if XEN_UNPRIVILEGED_GUEST && !XEN_PCIDEV_FRONTEND
---help---
Support for software bounce buffers used on x86-64 systems
which don't have a hardware IOMMU (e.g. the current generation
config NR_CPUS
int "Maximum number of CPUs" if SMP && !MAXSMP
- range 2 8 if SMP && X86_32 && !X86_BIGSMP
+ range 2 8 if SMP && X86_32 && !X86_BIGSMP && !X86_XEN
range 2 512 if SMP && !MAXSMP
default "1" if !SMP
default "4096" if MAXSMP
default "32" if SMP && (X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000)
+ default "16" if X86_64_XEN
default "8" if SMP
---help---
This allows you to specify the maximum number of CPUs which this
config X86_UP_APIC
bool "Local APIC support on uniprocessors"
- depends on X86_32 && !SMP && !X86_32_NON_STANDARD
+ depends on X86_32 && !SMP && !X86_32_NON_STANDARD && !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
def_bool y
depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC
+ depends on !XEN_UNPRIVILEGED_GUEST
config X86_IO_APIC
def_bool y
depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC
+ depends on !XEN_UNPRIVILEGED_GUEST
config X86_VISWS_APIC
def_bool y
config X86_REROUTE_FOR_BROKEN_BOOT_IRQS
bool "Reroute for broken boot IRQs"
- depends on X86_IO_APIC
+ depends on X86_IO_APIC && !XEN
---help---
This option enables a workaround that fixes a source of
spurious interrupts. This is recommended when threaded
config X86_MCE
bool "Machine Check / overheating reporting"
+ depends on !XEN_UNPRIVILEGED_GUEST
---help---
Machine Check support allows the processor to notify the
kernel if it detects a problem (e.g. overheating, data corruption).
config X86_MCE_INTEL
def_bool y
prompt "Intel MCE features"
- depends on X86_MCE && X86_LOCAL_APIC
+ depends on X86_MCE && X86_LOCAL_APIC && !XEN
---help---
Additional support for intel specific MCE features such as
the thermal monitor.
config X86_MCE_AMD
def_bool y
prompt "AMD MCE features"
- depends on X86_MCE && X86_LOCAL_APIC
+ depends on X86_MCE && X86_LOCAL_APIC && !XEN
---help---
Additional support for AMD specific MCE features such as
the DRAM Error Threshold.
config X86_ANCIENT_MCE
bool "Support for old Pentium 5 / WinChip machine checks"
- depends on X86_32 && X86_MCE
+ depends on X86_32 && X86_MCE && !XEN
---help---
Include support for machine check handling on old Pentium 5 or WinChip
systems. These typically need to be enabled explicitely on the command
If you don't know what a machine check is and you don't do kernel
QA it is safe to say n.
+config X86_XEN_MCE
+ def_bool y
+ depends on XEN && X86_MCE
+
config X86_THERMAL_VECTOR
def_bool y
depends on X86_MCE_INTEL
config X86_REBOOTFIXUPS
bool "Enable X86 board specific fixups for reboot"
- depends on X86_32
+ depends on X86_32 && !XEN
---help---
This enables chipset and/or board specific fixups to be done
in order to get reboot to work correctly. This is only needed on
config MICROCODE
tristate "/dev/cpu/microcode - microcode support"
+ depends on !XEN_UNPRIVILEGED_GUEST
select FW_LOADER
---help---
If you say Y here, you will be able to update the microcode on
config MICROCODE_INTEL
bool "Intel microcode patch loading support"
- depends on MICROCODE
+ depends on MICROCODE && !XEN
default MICROCODE
select FW_LOADER
---help---
config MICROCODE_AMD
bool "AMD microcode patch loading support"
- depends on MICROCODE
+ depends on MICROCODE && !XEN
select FW_LOADER
---help---
If you select this option, microcode patch loading support for AMD
config X86_MSR
tristate "/dev/cpu/*/msr - Model-specific register support"
+ select XEN_DOMCTL if XEN_PRIVILEGED_GUEST
---help---
This device gives privileged processes access to the x86
Model-Specific Registers (MSRs). It is a character device with
choice
prompt "High Memory Support"
- default HIGHMEM64G if X86_NUMAQ
+ default HIGHMEM64G if X86_NUMAQ || XEN
default HIGHMEM4G
depends on X86_32
config HIGHMEM4G
bool "4GB"
- depends on !X86_NUMAQ
+ depends on !X86_NUMAQ && !XEN
---help---
Select this if you have a 32-bit processor and between 1 and 4
gigabytes of physical RAM.
def_bool X86_64 || X86_PAE
config ARCH_DMA_ADDR_T_64BIT
- def_bool X86_64 || HIGHMEM64G
+ def_bool X86_64 || XEN || HIGHMEM64G
config DIRECT_GBPAGES
bool "Enable 1GB pages for kernel pagetables" if EXPERT
default y
- depends on X86_64
+ depends on X86_64 && !XEN
---help---
Allow the kernel linear mapping to use 1GB pages on CPUs that
support it. This can improve the kernel's performance a tiny bit by
# Common NUMA Features
config NUMA
bool "Numa Memory Allocation and Scheduler Support"
- depends on SMP
+ depends on SMP && !XEN
depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || X86_BIGSMP || X86_SUMMIT && ACPI) && EXPERIMENTAL)
default y if (X86_NUMAQ || X86_SUMMIT || X86_BIGSMP)
---help---
config ARCH_SPARSEMEM_ENABLE
def_bool y
depends on X86_64 || NUMA || (EXPERIMENTAL && X86_32) || X86_32_NON_STANDARD
+ depends on !XEN
select SPARSEMEM_STATIC if X86_32
select SPARSEMEM_VMEMMAP_ENABLE if X86_64
config ARCH_SPARSEMEM_DEFAULT
def_bool y
- depends on X86_64
+ depends on X86_64 && !X86_64_XEN
config ARCH_SELECT_MEMORY_MODEL
def_bool y
config X86_CHECK_BIOS_CORRUPTION
bool "Check for low memory corruption"
+ depends on !XEN
---help---
Periodically check for memory corruption in low memory, which
is suspected to be caused by BIOS. Even when enabled in the
config X86_RESERVE_LOW
int "Amount of low memory, in kilobytes, to reserve for the BIOS"
+ depends on !XEN
default 64
range 4 640
---help---
config MATH_EMULATION
bool
prompt "Math emulation" if X86_32
+ depends on !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
def_bool y
prompt "MTRR (Memory Type Range Register) support" if EXPERT
+ depends on !XEN_UNPRIVILEGED_GUEST
---help---
On Intel P6 family processors (Pentium Pro, Pentium II and later)
the Memory Type Range Registers (MTRRs) may be used to control
config MTRR_SANITIZER
def_bool y
prompt "MTRR cleanup support"
- depends on MTRR
+ depends on MTRR && !XEN
---help---
Convert MTRR layout from continuous to discrete, so X drivers can
add writeback entries.
config X86_PAT
def_bool y
- prompt "x86 PAT support" if EXPERT
- depends on MTRR
+ prompt "x86 PAT support" if EXPERT || XEN_UNPRIVILEGED_GUEST
+ depends on MTRR || (XEN_UNPRIVILEGED_GUEST && XEN_PCIDEV_FRONTEND)
---help---
Use PAT attributes to setup page level cache control.
config EFI
bool "EFI runtime service support"
- depends on ACPI
+ depends on ACPI && !XEN_UNPRIVILEGED_GUEST
---help---
This enables the kernel to use EFI runtime services that are
available (such as the EFI variable services).
config EFI_STUB
bool "EFI stub support"
- depends on EFI
+ depends on EFI && !XEN
---help---
This kernel feature allows a bzImage to be loaded directly
by EFI firmware without the use of a bootloader.
config KEXEC
bool "kexec system call"
+ depends on !XEN_UNPRIVILEGED_GUEST
---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
config CRASH_DUMP
bool "kernel crash dumps"
depends on X86_64 || (X86_32 && HIGHMEM)
+ depends on !XEN
---help---
Generate crash dump after being started by kexec.
This should be normally only set in special crash dump kernels
code in physical address mode via KEXEC
config PHYSICAL_START
- hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
+ hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP || XEN)
+ default 0x100000 if XEN
default "0x1000000"
---help---
This gives the physical address where the kernel is loaded.
config RELOCATABLE
bool "Build a relocatable kernel"
+ depends on !XEN
default y
---help---
This builds a kernel image that retains relocation information
depends on X86_32 && RELOCATABLE
config PHYSICAL_ALIGN
- hex "Alignment value to which kernel should be aligned" if X86_32
+ hex "Alignment value to which kernel should be aligned" if X86_32 && !XEN
+ default 0x2000 if XEN
default "0x1000000"
range 0x2000 0x1000000
---help---
config ARCH_ENABLE_MEMORY_HOTPLUG
def_bool y
depends on X86_64 || (X86_32 && HIGHMEM)
+ depends on !XEN
config ARCH_ENABLE_MEMORY_HOTREMOVE
def_bool y
source "kernel/power/Kconfig"
+if !XEN_UNPRIVILEGED_GUEST
+
source "drivers/acpi/Kconfig"
source "drivers/sfi/Kconfig"
menuconfig APM
tristate "APM (Advanced Power Management) BIOS support"
- depends on X86_32 && PM_SLEEP
+ depends on X86_32 && PM_SLEEP && !XEN
---help---
APM is a BIOS specification for saving power using several different
techniques. This is mostly useful for battery powered laptops with
source "drivers/idle/Kconfig"
+endif # !XEN_UNPRIVILEGED_GUEST
+
endmenu
bool "PCI support"
default y
select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC)
+ select ARCH_SUPPORTS_MSI if (XEN_UNPRIVILEGED_GUEST && XEN_PCIDEV_FRONTEND)
---help---
Find out whether you have a PCI motherboard. PCI is the name of a
bus system, i.e. the way the CPU talks to the other stuff inside
config PCI_GOBIOS
bool "BIOS"
+ depends on !XEN
config PCI_GOMMCONFIG
bool "MMConfig"
+ depends on !XEN_UNPRIVILEGED_GUEST
config PCI_GODIRECT
bool "Direct"
+ depends on !XEN_UNPRIVILEGED_GUEST
config PCI_GOOLPC
bool "OLPC XO-1"
- depends on OLPC
+ depends on OLPC && !XEN_UNPRIVILEGED_GUEST
+
+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"
+ depends on !XEN_UNPRIVILEGED_GUEST
endchoice
config PCI_BIOS
def_bool y
- depends on X86_32 && PCI && (PCI_GOBIOS || PCI_GOANY)
+ depends on X86_32 && PCI && !XEN && (PCI_GOBIOS || PCI_GOANY)
# x86-64 doesn't support PCI BIOS access from long mode so always go direct.
config PCI_DIRECT
config PCI_XEN
def_bool y
- depends on PCI && XEN
+ depends on PCI && PARAVIRT_XEN
select SWIOTLB_XEN
config PCI_DOMAINS
# x86_64 have no ISA slots, but can have ISA-style DMA.
config ISA_DMA_API
- bool "ISA-style DMA support" if (X86_64 && EXPERT)
+ bool "ISA-style DMA support" if ((X86_64 || XEN) && EXPERT) || XEN_UNPRIVILEGED_GUEST
default y
help
Enables ISA-style DMA support for devices requiring such controllers.
config ISA
bool "ISA support"
+ depends on !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
config MCA
bool "MCA support"
+ depends on !XEN
---help---
MicroChannel Architecture is found in some IBM PS/2 machines and
laptops. It is a bus system similar to PCI or ISA. See
config OLPC
bool "One Laptop Per Child support"
- depends on !X86_PAE
+ depends on !X86_PAE && !XEN
select GPIOLIB
select OF
select OF_PROMTREE
config AMD_NB
def_bool y
- depends on CPU_SUP_AMD && PCI
+ depends on CPU_SUP_AMD && PCI && !XEN_UNPRIVILEGED_GUEST
source "drivers/pcmcia/Kconfig"
source "drivers/Kconfig"
+if !XEN_UNPRIVILEGED_GUEST
source "drivers/firmware/Kconfig"
+endif
source "fs/Kconfig"
projects / linux-flexiantxendom0-3.2.10.git / blobdiff