diff options
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 343 |
1 files changed, 165 insertions, 178 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 80b7ba4056d..e6728bd61cc 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -17,81 +17,74 @@ config X86_64 ### Arch settings config X86 - bool - default y + def_bool y + select HAVE_OPROFILE + select HAVE_KPROBES + +config GENERIC_LOCKBREAK + def_bool n config GENERIC_TIME - bool - default y + def_bool y config GENERIC_CMOS_UPDATE - bool - default y + def_bool y config CLOCKSOURCE_WATCHDOG - bool - default y + def_bool y config GENERIC_CLOCKEVENTS - bool - default y + def_bool y config GENERIC_CLOCKEVENTS_BROADCAST - bool - default y + def_bool y depends on X86_64 || (X86_32 && X86_LOCAL_APIC) config LOCKDEP_SUPPORT - bool - default y + def_bool y config STACKTRACE_SUPPORT - bool - default y + def_bool y + +config HAVE_LATENCYTOP_SUPPORT + def_bool y config SEMAPHORE_SLEEPERS - bool - default y + def_bool y config MMU - bool - default y + def_bool y config ZONE_DMA - bool - default y + def_bool y config QUICKLIST - bool - default X86_32 + def_bool X86_32 config SBUS bool config GENERIC_ISA_DMA - bool - default y + def_bool y config GENERIC_IOMAP - bool - default y + def_bool y config GENERIC_BUG - bool - default y + def_bool y depends on BUG config GENERIC_HWEIGHT - bool - default y + def_bool y + +config GENERIC_GPIO + def_bool n config ARCH_MAY_HAVE_PC_FDC - bool - default y + def_bool y config DMI - bool - default y + def_bool y config RWSEM_GENERIC_SPINLOCK def_bool !X86_XADD @@ -112,10 +105,18 @@ config GENERIC_TIME_VSYSCALL bool default X86_64 -config ARCH_SUPPORTS_OPROFILE - bool - default y +config HAVE_SETUP_PER_CPU_AREA + def_bool X86_64 + +select HAVE_KVM +config ARCH_HIBERNATION_POSSIBLE + def_bool y + depends on !SMP || !X86_VOYAGER + +config ARCH_SUSPEND_POSSIBLE + def_bool y + depends on !X86_VOYAGER config ZONE_DMA32 bool @@ -144,9 +145,17 @@ config GENERIC_PENDING_IRQ config X86_SMP bool - depends on X86_32 && SMP && !X86_VOYAGER + depends on SMP && ((X86_32 && !X86_VOYAGER) || X86_64) default y +config X86_32_SMP + def_bool y + depends on X86_32 && SMP + +config X86_64_SMP + def_bool y + depends on X86_64 && SMP + config X86_HT bool depends on SMP @@ -193,8 +202,7 @@ config SMP Y to "Enhanced Real Time Clock Support", below. The "Advanced Power Management" code will be disabled if you say Y here. - See also the <file:Documentation/smp.txt>, - <file:Documentation/i386/IO-APIC.txt>, + See also <file:Documentation/i386/IO-APIC.txt>, <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at <http://www.tldp.org/docs.html#howto>. @@ -292,6 +300,19 @@ config X86_ES7000 Only choose this option if you have such a system, otherwise you should say N here. +config X86_RDC321X + bool "RDC R-321x SoC" + depends on X86_32 + select M486 + select X86_REBOOTFIXUPS + select GENERIC_GPIO + select LEDS_CLASS + select LEDS_GPIO + help + This option is needed for RDC R-321x system-on-chip, also known + as R-8610-(G). + If you don't have one of these chips, you should say N here. + config X86_VSMP bool "Support for ScaleMP vSMP" depends on X86_64 && PCI @@ -303,8 +324,8 @@ config X86_VSMP endchoice config SCHED_NO_NO_OMIT_FRAME_POINTER - bool "Single-depth WCHAN output" - default y + def_bool y + prompt "Single-depth WCHAN output" depends on X86_32 help Calculate simpler /proc/<PID>/wchan values. If this option @@ -314,18 +335,8 @@ config SCHED_NO_NO_OMIT_FRAME_POINTER If in doubt, say "Y". -config PARAVIRT - bool - depends on X86_32 && !(X86_VISWS || X86_VOYAGER) - help - This changes the kernel so it can modify itself when it is run - under a hypervisor, potentially improving performance significantly - over full virtualization. However, when run without a hypervisor - the kernel is theoretically slower and slightly larger. - menuconfig PARAVIRT_GUEST bool "Paravirtualized guest support" - depends on X86_32 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. @@ -339,6 +350,7 @@ source "arch/x86/xen/Kconfig" config VMI bool "VMI Guest support" select PARAVIRT + depends on X86_32 depends on !(X86_VISWS || X86_VOYAGER) help VMI provides a paravirtualized interface to the VMware ESX server @@ -348,40 +360,43 @@ config VMI source "arch/x86/lguest/Kconfig" +config PARAVIRT + bool "Enable paravirtualization code" + depends on !(X86_VISWS || X86_VOYAGER) + help + This changes the kernel so it can modify itself when it is run + under a hypervisor, potentially improving performance significantly + over full virtualization. However, when run without a hypervisor + the kernel is theoretically slower and slightly larger. + endif config ACPI_SRAT - bool - default y + def_bool y depends on X86_32 && ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH) select ACPI_NUMA config HAVE_ARCH_PARSE_SRAT - bool - default y - depends on ACPI_SRAT + def_bool y + depends on ACPI_SRAT config X86_SUMMIT_NUMA - bool - default y + def_bool y depends on X86_32 && NUMA && (X86_SUMMIT || X86_GENERICARCH) config X86_CYCLONE_TIMER - bool - default y + def_bool y depends on X86_32 && X86_SUMMIT || X86_GENERICARCH config ES7000_CLUSTERED_APIC - bool - default y + def_bool y depends on SMP && X86_ES7000 && MPENTIUMIII source "arch/x86/Kconfig.cpu" config HPET_TIMER - bool + def_bool X86_64 prompt "HPET Timer Support" if X86_32 - default X86_64 help Use the IA-PC HPET (High Precision Event Timer) to manage time in preference to the PIT and RTC, if a HPET is @@ -399,9 +414,8 @@ config HPET_TIMER Choose N to continue using the legacy 8254 timer. config HPET_EMULATE_RTC - bool - depends on HPET_TIMER && RTC=y - default y + def_bool y + depends on HPET_TIMER && (RTC=y || RTC=m || RTC_DRV_CMOS=m || RTC_DRV_CMOS=y) # Mark as embedded because too many people got it wrong. # The code disables itself when not needed. @@ -441,8 +455,8 @@ config CALGARY_IOMMU If unsure, say Y. config CALGARY_IOMMU_ENABLED_BY_DEFAULT - bool "Should Calgary be enabled by default?" - default y + def_bool y + prompt "Should Calgary be enabled by default?" depends on CALGARY_IOMMU help Should Calgary be enabled by default? if you choose 'y', Calgary @@ -451,6 +465,9 @@ config CALGARY_IOMMU_ENABLED_BY_DEFAULT Calgary anyway, pass 'iommu=calgary' on the kernel command line. If unsure, say Y. +config IOMMU_HELPER + def_bool (CALGARY_IOMMU || GART_IOMMU) + # need this always selected by IOMMU for the VIA workaround config SWIOTLB bool @@ -486,9 +503,9 @@ config SCHED_SMT N here. config SCHED_MC - bool "Multi-core scheduler support" + def_bool y + prompt "Multi-core scheduler support" depends on (X86_64 && SMP) || (X86_32 && X86_HT) - default y help Multi-core scheduler support improves the CPU scheduler's decision making when dealing with multi-core CPU chips at a cost of slightly @@ -522,19 +539,16 @@ config X86_UP_IOAPIC an IO-APIC, then the kernel will still run with no slowdown at all. config X86_LOCAL_APIC - bool + def_bool y depends on X86_64 || (X86_32 && (X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER) || X86_GENERICARCH)) - default y config X86_IO_APIC - bool + def_bool y depends on X86_64 || (X86_32 && (X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER)) || X86_GENERICARCH)) - default y config X86_VISWS_APIC - bool + def_bool y depends on X86_32 && X86_VISWS - default y config X86_MCE bool "Machine Check Exception" @@ -554,17 +568,17 @@ config X86_MCE the 386 and 486, so nearly everyone can say Y here. config X86_MCE_INTEL - bool "Intel MCE features" + def_bool y + prompt "Intel MCE features" depends on X86_64 && X86_MCE && X86_LOCAL_APIC - default y help Additional support for intel specific MCE features such as the thermal monitor. config X86_MCE_AMD - bool "AMD MCE features" + def_bool y + prompt "AMD MCE features" depends on X86_64 && X86_MCE && X86_LOCAL_APIC - default y help Additional support for AMD specific MCE features such as the DRAM Error Threshold. @@ -637,9 +651,9 @@ config I8K Say N otherwise. config X86_REBOOTFIXUPS - bool "Enable X86 board specific fixups for reboot" + def_bool n + prompt "Enable X86 board specific fixups for reboot" depends on X86_32 && X86 - default n ---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 @@ -648,7 +662,7 @@ config X86_REBOOTFIXUPS system. Currently, the only fixup is for the Geode machines using - CS5530A and CS5536 chipsets. + CS5530A and CS5536 chipsets and the RDC R-321x SoC. Say Y if you want to enable the fixup. Currently, it's safe to enable this option even if you don't need it. @@ -672,9 +686,8 @@ config MICROCODE module will be called microcode. config MICROCODE_OLD_INTERFACE - bool + def_bool y depends on MICROCODE - default y config X86_MSR tristate "/dev/cpu/*/msr - Model-specific register support" @@ -798,13 +811,12 @@ config PAGE_OFFSET depends on X86_32 config HIGHMEM - bool + def_bool y depends on X86_32 && (HIGHMEM64G || HIGHMEM4G) - default y config X86_PAE - bool "PAE (Physical Address Extension) Support" - default n + def_bool n + prompt "PAE (Physical Address Extension) Support" depends on X86_32 && !HIGHMEM4G select RESOURCES_64BIT help @@ -836,10 +848,10 @@ comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI" depends on X86_32 && X86_SUMMIT && (!HIGHMEM64G || !ACPI) config K8_NUMA - bool "Old style AMD Opteron NUMA detection" - depends on X86_64 && NUMA && PCI - default y - help + def_bool y + prompt "Old style AMD Opteron NUMA detection" + depends on X86_64 && NUMA && PCI + help Enable K8 NUMA node topology detection. You should say Y here if you have a multi processor AMD K8 system. This uses an old method to read the NUMA configuration directly from the builtin @@ -847,10 +859,10 @@ config K8_NUMA instead, which also takes priority if both are compiled in. config X86_64_ACPI_NUMA - bool "ACPI NUMA detection" + def_bool y + prompt "ACPI NUMA detection" depends on X86_64 && NUMA && ACPI && PCI select ACPI_NUMA - default y help Enable ACPI SRAT based node topology detection. @@ -864,52 +876,53 @@ config NUMA_EMU config NODES_SHIFT int + range 1 15 if X86_64 default "6" if X86_64 default "4" if X86_NUMAQ default "3" depends on NEED_MULTIPLE_NODES config HAVE_ARCH_BOOTMEM_NODE - bool + def_bool y depends on X86_32 && NUMA - default y config ARCH_HAVE_MEMORY_PRESENT - bool + def_bool y depends on X86_32 && DISCONTIGMEM - default y config NEED_NODE_MEMMAP_SIZE - bool + def_bool y depends on X86_32 && (DISCONTIGMEM || SPARSEMEM) - default y config HAVE_ARCH_ALLOC_REMAP - bool + def_bool y depends on X86_32 && NUMA - default y config ARCH_FLATMEM_ENABLE def_bool y - depends on (X86_32 && ARCH_SELECT_MEMORY_MODEL && X86_PC) || (X86_64 && !NUMA) + depends on X86_32 && ARCH_SELECT_MEMORY_MODEL && X86_PC && !NUMA config ARCH_DISCONTIGMEM_ENABLE def_bool y - depends on NUMA + depends on NUMA && X86_32 config ARCH_DISCONTIGMEM_DEFAULT def_bool y - depends on NUMA + depends on NUMA && X86_32 + +config ARCH_SPARSEMEM_DEFAULT + def_bool y + depends on X86_64 config ARCH_SPARSEMEM_ENABLE def_bool y - depends on NUMA || (EXPERIMENTAL && (X86_PC || X86_64)) + depends on X86_64 || NUMA || (EXPERIMENTAL && X86_PC) select SPARSEMEM_STATIC if X86_32 select SPARSEMEM_VMEMMAP_ENABLE if X86_64 config ARCH_SELECT_MEMORY_MODEL def_bool y - depends on X86_32 && ARCH_SPARSEMEM_ENABLE + depends on ARCH_SPARSEMEM_ENABLE config ARCH_MEMORY_PROBE def_bool X86_64 @@ -987,42 +1000,32 @@ config MTRR See <file:Documentation/mtrr.txt> for more information. config EFI - bool "Boot from EFI support" - depends on X86_32 && ACPI - default n + def_bool n + prompt "EFI runtime service support" + depends on ACPI ---help--- - This enables the kernel to boot on EFI platforms using - system configuration information passed to it from the firmware. - This also enables the kernel to use any EFI runtime services that are + This enables the kernel to use EFI runtime services that are available (such as the EFI variable services). - This option is only useful on systems that have EFI firmware - and will result in a kernel image that is ~8k larger. In addition, - you must use the latest ELILO loader available at - <http://elilo.sourceforge.net> in order to take advantage of - kernel initialization using EFI information (neither GRUB nor LILO know - anything about EFI). However, even with this option, the resultant - kernel should continue to boot on existing non-EFI platforms. + This option is only useful on systems that have EFI firmware. + In addition, you should use the latest ELILO loader available + at <http://elilo.sourceforge.net> in order to take advantage + of EFI runtime services. However, even with this option, the + resultant kernel should continue to boot on existing non-EFI + platforms. config IRQBALANCE - bool "Enable kernel irq balancing" + def_bool y + prompt "Enable kernel irq balancing" depends on X86_32 && SMP && X86_IO_APIC - default y help The default yes will allow the kernel to do irq load balancing. Saying no will keep the kernel from doing irq load balancing. -# turning this on wastes a bunch of space. -# Summit needs it only when NUMA is on -config BOOT_IOREMAP - bool - depends on X86_32 && (((X86_SUMMIT || X86_GENERICARCH) && NUMA) || (X86 && EFI)) - default y - config SECCOMP - bool "Enable seccomp to safely compute untrusted bytecode" + def_bool y + prompt "Enable seccomp to safely compute untrusted bytecode" depends on PROC_FS - default y help This kernel feature is useful for number crunching applications that may need to compute untrusted bytecode during their @@ -1189,11 +1192,11 @@ config HOTPLUG_CPU suspend. config COMPAT_VDSO - bool "Compat VDSO support" - default y - depends on X86_32 + def_bool y + prompt "Compat VDSO support" + depends on X86_32 || IA32_EMULATION help - Map the VDSO to the predictable old-style address too. + Map the 32-bit VDSO to the predictable old-style address too. ---help--- Say N here if you are running a sufficiently recent glibc version (2.3.3 or later), to remove the high-mapped @@ -1207,30 +1210,26 @@ config ARCH_ENABLE_MEMORY_HOTPLUG def_bool y depends on X86_64 || (X86_32 && HIGHMEM) -config MEMORY_HOTPLUG_RESERVE - def_bool X86_64 - depends on (MEMORY_HOTPLUG && DISCONTIGMEM) - config HAVE_ARCH_EARLY_PFN_TO_NID def_bool X86_64 depends on NUMA -config OUT_OF_LINE_PFN_TO_PAGE - def_bool X86_64 - depends on DISCONTIGMEM - menu "Power management options" depends on !X86_VOYAGER config ARCH_HIBERNATION_HEADER - bool + def_bool y depends on X86_64 && HIBERNATION - default y source "kernel/power/Kconfig" source "drivers/acpi/Kconfig" +config X86_APM_BOOT + bool + default y + depends on APM || APM_MODULE + menuconfig APM tristate "APM (Advanced Power Management) BIOS support" depends on X86_32 && PM_SLEEP && !X86_VISWS @@ -1371,7 +1370,7 @@ menu "Bus options (PCI etc.)" config PCI bool "PCI support" if !X86_VISWS depends on !X86_VOYAGER - default y if X86_VISWS + default y select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC) help Find out whether you have a PCI motherboard. PCI is the name of a @@ -1379,11 +1378,6 @@ config PCI your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or VESA. If you have PCI, say Y, otherwise N. - The PCI-HOWTO, available from - <http://www.tldp.org/docs.html#howto>, contains valuable - information about which PCI hardware does work under Linux and which - doesn't. - choice prompt "PCI access mode" depends on X86_32 && PCI && !X86_VISWS @@ -1418,25 +1412,21 @@ config PCI_GOANY endchoice config PCI_BIOS - bool + def_bool y depends on X86_32 && !X86_VISWS && PCI && (PCI_GOBIOS || PCI_GOANY) - default y # x86-64 doesn't support PCI BIOS access from long mode so always go direct. config PCI_DIRECT - bool + def_bool y depends on PCI && (X86_64 || (PCI_GODIRECT || PCI_GOANY) || X86_VISWS) - default y config PCI_MMCONFIG - bool + def_bool y depends on X86_32 && PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY) - default y config PCI_DOMAINS - bool + def_bool y depends on PCI - default y config PCI_MMCONFIG bool "Support mmconfig PCI config space access" @@ -1453,9 +1443,9 @@ config DMAR remapping devices. config DMAR_GFX_WA - bool "Support for Graphics workaround" + def_bool y + prompt "Support for Graphics workaround" depends on DMAR - default y help Current Graphics drivers tend to use physical address for DMA and avoid using DMA APIs. Setting this config @@ -1464,9 +1454,8 @@ config DMAR_GFX_WA to use physical addresses for DMA. config DMAR_FLOPPY_WA - bool + def_bool y depends on DMAR - default y help Floppy disk drivers are know to bypass DMA API calls thereby failing to work when IOMMU is enabled. This @@ -1479,8 +1468,7 @@ source "drivers/pci/Kconfig" # x86_64 have no ISA slots, but do have ISA-style DMA. config ISA_DMA_API - bool - default y + def_bool y if X86_32 @@ -1546,9 +1534,9 @@ config SCx200HR_TIMER other workaround is idle=poll boot option. config GEODE_MFGPT_TIMER - bool "Geode Multi-Function General Purpose Timer (MFGPT) events" + def_bool y + prompt "Geode Multi-Function General Purpose Timer (MFGPT) events" depends on MGEODE_LX && GENERIC_TIME && GENERIC_CLOCKEVENTS - default y help This driver provides a clock event source based on the MFGPT timer(s) in the CS5535 and CS5536 companion chip for the geode. @@ -1575,6 +1563,7 @@ source "fs/Kconfig.binfmt" config IA32_EMULATION bool "IA32 Emulation" depends on X86_64 + select COMPAT_BINFMT_ELF help Include code to run 32-bit programs under a 64-bit kernel. You should likely turn this on, unless you're 100% sure that you don't have any @@ -1587,18 +1576,16 @@ config IA32_AOUT Support old a.out binaries in the 32bit emulation. config COMPAT - bool + def_bool y depends on IA32_EMULATION - default y config COMPAT_FOR_U64_ALIGNMENT def_bool COMPAT depends on X86_64 config SYSVIPC_COMPAT - bool + def_bool y depends on X86_64 && COMPAT && SYSVIPC - default y endmenu @@ -1611,12 +1598,12 @@ source "drivers/firmware/Kconfig" source "fs/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/x86/Kconfig.debug" source "security/Kconfig" source "crypto/Kconfig" +source "arch/x86/kvm/Kconfig" + source "lib/Kconfig" |