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Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/Kconfig | 1321 | ||||
| -rw-r--r-- | arch/i386/Kconfig.cpu | 372 |
2 files changed, 0 insertions, 1693 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig deleted file mode 100644 index d24e3e207ea..00000000000 --- a/arch/i386/Kconfig +++ /dev/null @@ -1,1321 +0,0 @@ -# -# For a description of the syntax of this configuration file, -# see Documentation/kbuild/kconfig-language.txt. -# - -mainmenu "Linux Kernel Configuration" - -config X86_32 - bool - default y - help - This is Linux's home port. Linux was originally native to the Intel - 386, and runs on all the later x86 processors including the Intel - 486, 586, Pentiums, and various instruction-set-compatible chips by - AMD, Cyrix, and others. - -config GENERIC_TIME - bool - default y - -config GENERIC_CMOS_UPDATE - 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 - -config STACKTRACE_SUPPORT - bool - default y - -config SEMAPHORE_SLEEPERS - bool - default y - -config X86 - bool - default y - -config MMU - bool - default y - -config ZONE_DMA - bool - default y - -config QUICKLIST - bool - default y - -config SBUS - bool - -config GENERIC_ISA_DMA - bool - default y - -config GENERIC_IOMAP - bool - default y - -config GENERIC_BUG - bool - default y - depends on BUG - -config GENERIC_HWEIGHT - bool - default y - -config ARCH_MAY_HAVE_PC_FDC - bool - default y - -config DMI - bool - default y - -source "init/Kconfig" - -menu "Processor type and features" - -source "kernel/time/Kconfig" - -config SMP - bool "Symmetric multi-processing support" - ---help--- - This enables support for systems with more than one CPU. If you have - a system with only one CPU, like most personal computers, say N. If - you have a system with more than one CPU, say Y. - - If you say N here, the kernel will run on single and multiprocessor - machines, but will use only one CPU of a multiprocessor machine. If - you say Y here, the kernel will run on many, but not all, - singleprocessor machines. On a singleprocessor machine, the kernel - will run faster if you say N here. - - Note that if you say Y here and choose architecture "586" or - "Pentium" under "Processor family", the kernel will not work on 486 - architectures. Similarly, multiprocessor kernels for the "PPro" - architecture may not work on all Pentium based boards. - - People using multiprocessor machines who say Y here should also say - 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>, - <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at - <http://www.tldp.org/docs.html#howto>. - - If you don't know what to do here, say N. - -choice - prompt "Subarchitecture Type" - default X86_PC - -config X86_PC - bool "PC-compatible" - help - Choose this option if your computer is a standard PC or compatible. - -config X86_ELAN - bool "AMD Elan" - help - Select this for an AMD Elan processor. - - Do not use this option for K6/Athlon/Opteron processors! - - If unsure, choose "PC-compatible" instead. - -config X86_VOYAGER - bool "Voyager (NCR)" - select SMP if !BROKEN - help - Voyager is an MCA-based 32-way capable SMP architecture proprietary - to NCR Corp. Machine classes 345x/35xx/4100/51xx are Voyager-based. - - *** WARNING *** - - If you do not specifically know you have a Voyager based machine, - say N here, otherwise the kernel you build will not be bootable. - -config X86_NUMAQ - bool "NUMAQ (IBM/Sequent)" - select SMP - select NUMA - help - This option is used for getting Linux to run on a (IBM/Sequent) NUMA - multiquad box. This changes the way that processors are bootstrapped, - and uses Clustered Logical APIC addressing mode instead of Flat Logical. - You will need a new lynxer.elf file to flash your firmware with - send - email to <Martin.Bligh@us.ibm.com>. - -config X86_SUMMIT - bool "Summit/EXA (IBM x440)" - depends on SMP - help - This option is needed for IBM systems that use the Summit/EXA chipset. - In particular, it is needed for the x440. - - If you don't have one of these computers, you should say N here. - If you want to build a NUMA kernel, you must select ACPI. - -config X86_BIGSMP - bool "Support for other sub-arch SMP systems with more than 8 CPUs" - depends on SMP - help - This option is needed for the systems that have more than 8 CPUs - and if the system is not of any sub-arch type above. - - If you don't have such a system, you should say N here. - -config X86_VISWS - bool "SGI 320/540 (Visual Workstation)" - help - The SGI Visual Workstation series is an IA32-based workstation - based on SGI systems chips with some legacy PC hardware attached. - - Say Y here to create a kernel to run on the SGI 320 or 540. - - A kernel compiled for the Visual Workstation will not run on PCs - and vice versa. See <file:Documentation/sgi-visws.txt> for details. - -config X86_GENERICARCH - bool "Generic architecture (Summit, bigsmp, ES7000, default)" - help - This option compiles in the Summit, bigsmp, ES7000, default subarchitectures. - It is intended for a generic binary kernel. - If you want a NUMA kernel, select ACPI. We need SRAT for NUMA. - -config X86_ES7000 - bool "Support for Unisys ES7000 IA32 series" - depends on SMP - help - Support for Unisys ES7000 systems. Say 'Y' here if this kernel is - supposed to run on an IA32-based Unisys ES7000 system. - Only choose this option if you have such a system, otherwise you - should say N here. - -endchoice - -config SCHED_NO_NO_OMIT_FRAME_POINTER - bool "Single-depth WCHAN output" - default y - help - Calculate simpler /proc/<PID>/wchan values. If this option - is disabled then wchan values will recurse back to the - caller function. This provides more accurate wchan values, - at the expense of slightly more scheduling overhead. - - If in doubt, say "Y". - -config PARAVIRT - bool - 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. - -menuconfig PARAVIRT_GUEST - bool "Paravirtualized guest support" - 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. - - If you say N, all options in this submenu will be skipped and disabled. - -if PARAVIRT_GUEST - -source "arch/x86/xen/Kconfig" - -config VMI - bool "VMI Guest support" - select PARAVIRT - depends on !(X86_VISWS || X86_VOYAGER) - help - VMI provides a paravirtualized interface to the VMware ESX server - (it could be used by other hypervisors in theory too, but is not - at the moment), by linking the kernel to a GPL-ed ROM module - provided by the hypervisor. - -source "arch/x86/lguest/Kconfig" - -endif - -config ACPI_SRAT - bool - default y - depends on ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH) - select ACPI_NUMA - -config HAVE_ARCH_PARSE_SRAT - bool - default y - depends on ACPI_SRAT - -config X86_SUMMIT_NUMA - bool - default y - depends on NUMA && (X86_SUMMIT || X86_GENERICARCH) - -config X86_CYCLONE_TIMER - bool - default y - depends on X86_SUMMIT || X86_GENERICARCH - -config ES7000_CLUSTERED_APIC - bool - default y - depends on SMP && X86_ES7000 && MPENTIUMIII - -source "arch/i386/Kconfig.cpu" - -config HPET_TIMER - bool "HPET Timer Support" - help - This enables the use of the HPET for the kernel's internal timer. - HPET is the next generation timer replacing legacy 8254s. - You can safely choose Y here. However, HPET will only be - activated if the platform and the BIOS support this feature. - Otherwise the 8254 will be used for timing services. - - Choose N to continue using the legacy 8254 timer. - -config HPET_EMULATE_RTC - bool - depends on HPET_TIMER && RTC=y - default y - -config NR_CPUS - int "Maximum number of CPUs (2-255)" - range 2 255 - depends on SMP - default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000 - default "8" - help - This allows you to specify the maximum number of CPUs which this - kernel will support. The maximum supported value is 255 and the - minimum value which makes sense is 2. - - This is purely to save memory - each supported CPU adds - approximately eight kilobytes to the kernel image. - -config SCHED_SMT - bool "SMT (Hyperthreading) scheduler support" - depends on X86_HT - help - SMT scheduler support improves the CPU scheduler's decision making - when dealing with Intel Pentium 4 chips with HyperThreading at a - cost of slightly increased overhead in some places. If unsure say - N here. - -config SCHED_MC - bool "Multi-core scheduler support" - depends on 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 - increased overhead in some places. If unsure say N here. - -source "kernel/Kconfig.preempt" - -config X86_UP_APIC - bool "Local APIC support on uniprocessors" - depends on !SMP && !(X86_VISWS || X86_VOYAGER || X86_GENERICARCH) - help - A local APIC (Advanced Programmable Interrupt Controller) is an - integrated interrupt controller in the CPU. If you have a single-CPU - system which has a processor with a local APIC, you can say Y here to - enable and use it. If you say Y here even though your machine doesn't - have a local APIC, then the kernel will still run with no slowdown at - all. The local APIC supports CPU-generated self-interrupts (timer, - performance counters), and the NMI watchdog which detects hard - lockups. - -config X86_UP_IOAPIC - bool "IO-APIC support on uniprocessors" - depends on X86_UP_APIC - help - An IO-APIC (I/O Advanced Programmable Interrupt Controller) is an - SMP-capable replacement for PC-style interrupt controllers. Most - SMP systems and many recent uniprocessor systems have one. - - If you have a single-CPU system with an IO-APIC, you can say Y here - to use it. If you say Y here even though your machine doesn't have - an IO-APIC, then the kernel will still run with no slowdown at all. - -config X86_LOCAL_APIC - bool - depends on X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER) || X86_GENERICARCH - default y - -config X86_IO_APIC - bool - depends on X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER)) || X86_GENERICARCH - default y - -config X86_VISWS_APIC - bool - depends on X86_VISWS - default y - -config X86_MCE - bool "Machine Check Exception" - depends on !X86_VOYAGER - ---help--- - Machine Check Exception support allows the processor to notify the - kernel if it detects a problem (e.g. overheating, component failure). - The action the kernel takes depends on the severity of the problem, - ranging from a warning message on the console, to halting the machine. - Your processor must be a Pentium or newer to support this - check the - flags in /proc/cpuinfo for mce. Note that some older Pentium systems - have a design flaw which leads to false MCE events - hence MCE is - disabled on all P5 processors, unless explicitly enabled with "mce" - as a boot argument. Similarly, if MCE is built in and creates a - problem on some new non-standard machine, you can boot with "nomce" - to disable it. MCE support simply ignores non-MCE processors like - the 386 and 486, so nearly everyone can say Y here. - -config X86_MCE_NONFATAL - tristate "Check for non-fatal errors on AMD Athlon/Duron / Intel Pentium 4" - depends on X86_MCE - help - Enabling this feature starts a timer that triggers every 5 seconds which - will look at the machine check registers to see if anything happened. - Non-fatal problems automatically get corrected (but still logged). - Disable this if you don't want to see these messages. - Seeing the messages this option prints out may be indicative of dying - or out-of-spec (ie, overclocked) hardware. - This option only does something on certain CPUs. - (AMD Athlon/Duron and Intel Pentium 4) - -config X86_MCE_P4THERMAL - bool "check for P4 thermal throttling interrupt." - depends on X86_MCE && (X86_UP_APIC || SMP) && !X86_VISWS - help - Enabling this feature will cause a message to be printed when the P4 - enters thermal throttling. - -config VM86 - default y - bool "Enable VM86 support" if EMBEDDED - help - This option is required by programs like DOSEMU to run 16-bit legacy - code on X86 processors. It also may be needed by software like - XFree86 to initialize some video cards via BIOS. Disabling this - option saves about 6k. - -config TOSHIBA - tristate "Toshiba Laptop support" - ---help--- - This adds a driver to safely access the System Management Mode of - the CPU on Toshiba portables with a genuine Toshiba BIOS. It does - not work on models with a Phoenix BIOS. The System Management Mode - is used to set the BIOS and power saving options on Toshiba portables. - - For information on utilities to make use of this driver see the - Toshiba Linux utilities web site at: - <http://www.buzzard.org.uk/toshiba/>. - - Say Y if you intend to run this kernel on a Toshiba portable. - Say N otherwise. - -config I8K - tristate "Dell laptop support" - ---help--- - This adds a driver to safely access the System Management Mode - of the CPU on the Dell Inspiron 8000. The System Management Mode - is used to read cpu temperature and cooling fan status and to - control the fans on the I8K portables. - - This driver has been tested only on the Inspiron 8000 but it may - also work with other Dell laptops. You can force loading on other - models by passing the parameter `force=1' to the module. Use at - your own risk. - - For information on utilities to make use of this driver see the - I8K Linux utilities web site at: - <http://people.debian.org/~dz/i8k/> - - Say Y if you intend to run this kernel on a Dell Inspiron 8000. - Say N otherwise. - -config X86_REBOOTFIXUPS - bool "Enable X86 board specific fixups for reboot" - depends on 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 - some combinations of hardware and BIOS. The symptom, for which - this config is intended, is when reboot ends with a stalled/hung - system. - - Currently, the only fixup is for the Geode machines using - CS5530A and CS5536 chipsets. - - Say Y if you want to enable the fixup. Currently, it's safe to - enable this option even if you don't need it. - Say N otherwise. - -config MICROCODE - tristate "/dev/cpu/microcode - Intel IA32 CPU microcode support" - select FW_LOADER - ---help--- - If you say Y here, you will be able to update the microcode on - Intel processors in the IA32 family, e.g. Pentium Pro, Pentium II, - Pentium III, Pentium 4, Xeon etc. You will obviously need the - actual microcode binary data itself which is not shipped with the - Linux kernel. - - For latest news and information on obtaining all the required - ingredients for this driver, check: - <http://www.urbanmyth.org/microcode/>. - - To compile this driver as a module, choose M here: the - module will be called microcode. - -config MICROCODE_OLD_INTERFACE - bool - depends on MICROCODE - default y - -config X86_MSR - tristate "/dev/cpu/*/msr - Model-specific register support" - help - This device gives privileged processes access to the x86 - Model-Specific Registers (MSRs). It is a character device with - major 202 and minors 0 to 31 for /dev/cpu/0/msr to /dev/cpu/31/msr. - MSR accesses are directed to a specific CPU on multi-processor - systems. - -config X86_CPUID - tristate "/dev/cpu/*/cpuid - CPU information support" - help - This device gives processes access to the x86 CPUID instruction to - be executed on a specific processor. It is a character device - with major 203 and minors 0 to 31 for /dev/cpu/0/cpuid to - /dev/cpu/31/cpuid. - -source "drivers/firmware/Kconfig" - -choice - prompt "High Memory Support" - default HIGHMEM4G if !X86_NUMAQ - default HIGHMEM64G if X86_NUMAQ - -config NOHIGHMEM - bool "off" - depends on !X86_NUMAQ - ---help--- - Linux can use up to 64 Gigabytes of physical memory on x86 systems. - However, the address space of 32-bit x86 processors is only 4 - Gigabytes large. That means that, if you have a large amount of - physical memory, not all of it can be "permanently mapped" by the - kernel. The physical memory that's not permanently mapped is called - "high memory". - - If you are compiling a kernel which will never run on a machine with - more than 1 Gigabyte total physical RAM, answer "off" here (default - choice and suitable for most users). This will result in a "3GB/1GB" - split: 3GB are mapped so that each process sees a 3GB virtual memory - space and the remaining part of the 4GB virtual memory space is used - by the kernel to permanently map as much physical memory as - possible. - - If the machine has between 1 and 4 Gigabytes physical RAM, then - answer "4GB" here. - - If more than 4 Gigabytes is used then answer "64GB" here. This - selection turns Intel PAE (Physical Address Extension) mode on. - PAE implements 3-level paging on IA32 processors. PAE is fully - supported by Linux, PAE mode is implemented on all recent Intel - processors (Pentium Pro and better). NOTE: If you say "64GB" here, - then the kernel will not boot on CPUs that don't support PAE! - - The actual amount of total physical memory will either be - auto detected or can be forced by using a kernel command line option - such as "mem=256M". (Try "man bootparam" or see the documentation of - your boot loader (lilo or loadlin) about how to pass options to the - kernel at boot time.) - - If unsure, say "off". - -config HIGHMEM4G - bool "4GB" - depends on !X86_NUMAQ - help - Select this if you have a 32-bit processor and between 1 and 4 - gigabytes of physical RAM. - -config HIGHMEM64G - bool "64GB" - depends on !M386 && !M486 - select X86_PAE - help - Select this if you have a 32-bit processor and more than 4 - gigabytes of physical RAM. - -endchoice - -choice - depends on EXPERIMENTAL - prompt "Memory split" if EMBEDDED - default VMSPLIT_3G - help - Select the desired split between kernel and user memory. - - If the address range available to the kernel is less than the - physical memory installed, the remaining memory will be available - as "high memory". Accessing high memory is a little more costly - than low memory, as it needs to be mapped into the kernel first. - Note that increasing the kernel address space limits the range - available to user programs, making the address space there - tighter. Selecting anything other than the default 3G/1G split - will also likely make your kernel incompatible with binary-only - kernel modules. - - If you are not absolutely sure what you are doing, leave this - option alone! - - config VMSPLIT_3G - bool "3G/1G user/kernel split" - config VMSPLIT_3G_OPT - depends on !X86_PAE - bool "3G/1G user/kernel split (for full 1G low memory)" - config VMSPLIT_2G - bool "2G/2G user/kernel split" - config VMSPLIT_2G_OPT - depends on !X86_PAE - bool "2G/2G user/kernel split (for full 2G low memory)" - config VMSPLIT_1G - bool "1G/3G user/kernel split" -endchoice - -config PAGE_OFFSET - hex - default 0xB0000000 if VMSPLIT_3G_OPT - default 0x80000000 if VMSPLIT_2G - default 0x78000000 if VMSPLIT_2G_OPT - default 0x40000000 if VMSPLIT_1G - default 0xC0000000 - -config HIGHMEM - bool - depends on HIGHMEM64G || HIGHMEM4G - default y - -config X86_PAE - bool "PAE (Physical Address Extension) Support" - default n - depends on !HIGHMEM4G - select RESOURCES_64BIT - help - PAE is required for NX support, and furthermore enables - larger swapspace support for non-overcommit purposes. It - has the cost of more pagetable lookup overhead, and also - consumes more pagetable space per process. - -# Common NUMA Features -config NUMA - bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)" - depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL - default n if X86_PC - default y if (X86_NUMAQ || X86_SUMMIT) - help - NUMA support for i386. This is currently highly experimental - and should be only used for kernel development. It might also - cause boot failures. - -comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI" - depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI) - -config NODES_SHIFT - int - default "4" if X86_NUMAQ - default "3" - depends on NEED_MULTIPLE_NODES - -config HAVE_ARCH_BOOTMEM_NODE - bool - depends on NUMA - default y - -config ARCH_HAVE_MEMORY_PRESENT - bool - depends on DISCONTIGMEM - default y - -config NEED_NODE_MEMMAP_SIZE - bool - depends on DISCONTIGMEM || SPARSEMEM - default y - -config HAVE_ARCH_ALLOC_REMAP - bool - depends on NUMA - default y - -config ARCH_FLATMEM_ENABLE - def_bool y - depends on (ARCH_SELECT_MEMORY_MODEL && X86_PC) - -config ARCH_DISCONTIGMEM_ENABLE - def_bool y - depends on NUMA - -config ARCH_DISCONTIGMEM_DEFAULT - def_bool y - depends on NUMA - -config ARCH_SPARSEMEM_ENABLE - def_bool y - depends on (NUMA || (X86_PC && EXPERIMENTAL)) - select SPARSEMEM_STATIC - -config ARCH_SELECT_MEMORY_MODEL - def_bool y - depends on ARCH_SPARSEMEM_ENABLE - -config ARCH_POPULATES_NODE_MAP - def_bool y - -source "mm/Kconfig" - -config HIGHPTE - bool "Allocate 3rd-level pagetables from highmem" - depends on HIGHMEM4G || HIGHMEM64G - 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 - low memory. Setting this option will put user-space page table - entries in high memory. - -config MATH_EMULATION - bool "Math emulation" - ---help--- - Linux can emulate a math coprocessor (used for floating point - operations) if you don't have one. 486DX and Pentium processors have - a math coprocessor built in, 486SX and 386 do not, unless you added - a 487DX or 387, respectively. (The messages during boot time can - give you some hints here ["man dmesg"].) Everyone needs either a - coprocessor or this emulation. - - If you don't have a math coprocessor, you need to say Y here; if you - say Y here even though you have a coprocessor, the coprocessor will - be used nevertheless. (This behavior can be changed with the kernel - command line option "no387", which comes handy if your coprocessor - is broken. Try "man bootparam" or see the documentation of your boot - loader (lilo or loadlin) about how to pass options to the kernel at - boot time.) This means that it is a good idea to say Y here if you - intend to use this kernel on different machines. - - More information about the internals of the Linux math coprocessor - emulation can be found in <file:arch/x86/math-emu/README>. - - If you are not sure, say Y; apart from resulting in a 66 KB bigger - kernel, it won't hurt. - -config MTRR - bool "MTRR (Memory Type Range Register) support" - ---help--- - On Intel P6 family processors (Pentium Pro, Pentium II and later) - the Memory Type Range Registers (MTRRs) may be used to control - processor access to memory ranges. This is most useful if you have - a video (VGA) card on a PCI or AGP bus. Enabling write-combining - allows bus write transfers to be combined into a larger transfer - before bursting over the PCI/AGP bus. This can increase performance - of image write operations 2.5 times or more. Saying Y here creates a - /proc/mtrr file which may be used to manipulate your processor's - MTRRs. Typically the X server should use this. - - This code has a reasonably generic interface so that similar - control registers on other processors can be easily supported - as well: - - The Cyrix 6x86, 6x86MX and M II processors have Address Range - Registers (ARRs) which provide a similar functionality to MTRRs. For - these, the ARRs are used to emulate the MTRRs. - The AMD K6-2 (stepping 8 and above) and K6-3 processors have two - MTRRs. The Centaur C6 (WinChip) has 8 MCRs, allowing - write-combining. All of these processors are supported by this code - and it makes sense to say Y here if you have one of them. - - Saying Y here also fixes a problem with buggy SMP BIOSes which only - set the MTRRs for the boot CPU and not for the secondary CPUs. This - can lead to all sorts of problems, so it's good to say Y here. - - You can safely say Y even if your machine doesn't have MTRRs, you'll - just add about 9 KB to your kernel. - - See <file:Documentation/mtrr.txt> for more information. - -config EFI - bool "Boot from EFI support" - depends on ACPI - default n - ---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 - 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. - -config IRQBALANCE - bool "Enable kernel irq balancing" - depends on 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_SUMMIT || X86_GENERICARCH) && NUMA) || (X86 && EFI)) - default y - -config SECCOMP - bool "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 - execution. By using pipes or other transports made available to - the process as file descriptors supporting the read/write - syscalls, it's possible to isolate those applications in - their own address space using seccomp. Once seccomp is - enabled via /proc/<pid>/seccomp, it cannot be disabled - and the task is only allowed to execute a few safe syscalls - defined by each seccomp mode. - - If unsure, say Y. Only embedded should say N here. - -source kernel/Kconfig.hz - -config KEXEC - bool "kexec system call" - 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 - but it is independent of the system firmware. And like a reboot - you can start any kernel with it, not just Linux. - - The name comes from the similarity to the exec system call. - - It is an ongoing process to be certain the hardware in a machine - is properly shutdown, so do not be surprised if this code does not - initially work for you. It may help to enable device hotplugging - support. As of this writing the exact hardware interface is - strongly in flux, so no good recommendation can be made. - -config CRASH_DUMP - bool "kernel crash dumps (EXPERIMENTAL)" - depends on EXPERIMENTAL - depends on HIGHMEM - help - Generate crash dump after being started by kexec. - This should be normally only set in special crash dump kernels - which are loaded in the main kernel with kexec-tools into - a specially reserved region and then later executed after - a crash by kdump/kexec. The crash dump kernel must be compiled - to a memory address not used by the main kernel or BIOS using - PHYSICAL_START, or it must be built as a relocatable image - (CONFIG_RELOCATABLE=y). - For more details see Documentation/kdump/kdump.txt - -config PHYSICAL_START - hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) - default "0x1000000" if X86_NUMAQ - default "0x100000" - help - This gives the physical address where the kernel is loaded. - - If kernel is a not relocatable (CONFIG_RELOCATABLE=n) then - bzImage will decompress itself to above physical address and - run from there. Otherwise, bzImage will run from the address where - it has been loaded by the boot loader and will ignore above physical - address. - - In normal kdump cases one does not have to set/change this option - as now bzImage can be compiled as a completely relocatable image - (CONFIG_RELOCATABLE=y) and be used to load and run from a different - address. This option is mainly useful for the folks who don't want - to use a bzImage for capturing the crash dump and want to use a - vmlinux instead. vmlinux is not relocatable hence a kernel needs - to be specifically compiled to run from a specific memory area - (normally a reserved region) and this option comes handy. - - So if you are using bzImage for capturing the crash dump, leave - the value here unchanged to 0x100000 and set CONFIG_RELOCATABLE=y. - Otherwise if you plan to use vmlinux for capturing the crash dump - change this value to start of the reserved region (Typically 16MB - 0x1000000). In other words, it can be set based on the "X" value as - specified in the "crashkernel=YM@XM" command line boot parameter - passed to the panic-ed kernel. Typically this parameter is set as - crashkernel=64M@16M. Please take a look at - Documentation/kdump/kdump.txt for more details about crash dumps. - - Usage of bzImage for capturing the crash dump is recommended as - one does not have to build two kernels. Same kernel can be used - as production kernel and capture kernel. Above option should have - gone away after relocatable bzImage support is introduced. But it - is present because there are users out there who continue to use - vmlinux for dump capture. This option should go away down the - line. - - Don't change this unless you know what you are doing. - -config RELOCATABLE - bool "Build a relocatable kernel (EXPERIMENTAL)" - depends on EXPERIMENTAL - help - This builds a kernel image that retains relocation information - so it can be loaded someplace besides the default 1MB. - The relocations tend to make the kernel binary about 10% larger, - but are discarded at runtime. - - One use is for the kexec on panic case where the recovery kernel - must live at a different physical address than the primary - kernel. - -config PHYSICAL_ALIGN - hex "Alignment value to which kernel should be aligned" - default "0x100000" - range 0x2000 0x400000 - help - This value puts the alignment restrictions on physical address - where kernel is loaded and run from. Kernel is compiled for an - address which meets above alignment restriction. - - If bootloader loads the kernel at a non-aligned address and - CONFIG_RELOCATABLE is set, kernel will move itself to nearest - address aligned to above value and run from there. - - If bootloader loads the kernel at a non-aligned address and - CONFIG_RELOCATABLE is not set, kernel will ignore the run time - load address and decompress itself to the address it has been - compiled for and run from there. The address for which kernel is - compiled already meets above alignment restrictions. Hence the - end result is that kernel runs from a physical address meeting - above alignment restrictions. - - Don't change this unless you know what you are doing. - -config HOTPLUG_CPU - bool "Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL)" - depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER - ---help--- - Say Y here to experiment with turning CPUs off and on, and to - enable suspend on SMP systems. CPUs can be controlled through - /sys/devices/system/cpu. - -config COMPAT_VDSO - bool "Compat VDSO support" - default y - help - Map the 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 - VDSO mapping and to exclusively use the randomized VDSO. - - If unsure, say Y. - -endmenu - -config ARCH_ENABLE_MEMORY_HOTPLUG - def_bool y - depends on HIGHMEM - -menu "Power management options (ACPI, APM)" - depends on !X86_VOYAGER - -source kernel/power/Kconfig - -source "drivers/acpi/Kconfig" - -menuconfig APM - tristate "APM (Advanced Power Management) BIOS support" - depends on PM_SLEEP && !X86_VISWS - ---help--- - APM is a BIOS specification for saving power using several different - techniques. This is mostly useful for battery powered laptops with - APM compliant BIOSes. If you say Y here, the system time will be - reset after a RESUME operation, the /proc/apm device will provide - battery status information, and user-space programs will receive - notification of APM "events" (e.g. battery status change). - - If you select "Y" here, you can disable actual use of the APM - BIOS by passing the "apm=off" option to the kernel at boot time. - - Note that the APM support is almost completely disabled for - machines with more than one CPU. - - In order to use APM, you will need supporting software. For location - and more information, read <file:Documentation/pm.txt> and the - Battery Powered Linux mini-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - This driver does not spin down disk drives (see the hdparm(8) - manpage ("man 8 hdparm") for that), and it doesn't turn off - VESA-compliant "green" monitors. - - This driver does not support the TI 4000M TravelMate and the ACER - 486/DX4/75 because they don't have compliant BIOSes. Many "green" - desktop machines also don't have compliant BIOSes, and this driver - may cause those machines to panic during the boot phase. - - Generally, if you don't have a battery in your machine, there isn't - much point in using this driver and you should say N. If you get - random kernel OOPSes or reboots that don't seem to be related to - anything, try disabling/enabling this option (or disabling/enabling - APM in your BIOS). - - Some other things you should try when experiencing seemingly random, - "weird" problems: - - 1) make sure that you have enough swap space and that it is - enabled. - 2) pass the "no-hlt" option to the kernel - 3) switch on floating point emulation in the kernel and pass - the "no387" option to the kernel - 4) pass the "floppy=nodma" option to the kernel - 5) pass the "mem=4M" option to the kernel (thereby disabling - all but the first 4 MB of RAM) - 6) make sure that the CPU is not over clocked. - 7) read the sig11 FAQ at <http://www.bitwizard.nl/sig11/> - 8) disable the cache from your BIOS settings - 9) install a fan for the video card or exchange video RAM - 10) install a better fan for the CPU - 11) exchange RAM chips - 12) exchange the motherboard. - - To compile this driver as a module, choose M here: the - module will be called apm. - -if APM - -config APM_IGNORE_USER_SUSPEND - bool "Ignore USER SUSPEND" - help - This option will ignore USER SUSPEND requests. On machines with a - compliant APM BIOS, you want to say N. However, on the NEC Versa M - series notebooks, it is necessary to say Y because of a BIOS bug. - -config APM_DO_ENABLE - bool "Enable PM at boot time" - ---help--- - Enable APM features at boot time. From page 36 of the APM BIOS - specification: "When disabled, the APM BIOS does not automatically - power manage devices, enter the Standby State, enter the Suspend - State, or take power saving steps in response to CPU Idle calls." - This driver will make CPU Idle calls when Linux is idle (unless this - feature is turned off -- see "Do CPU IDLE calls", below). This - should always save battery power, but more complicated APM features - will be dependent on your BIOS implementation. You may need to turn - this option off if your computer hangs at boot time when using APM - support, or if it beeps continuously instead of suspending. Turn - this off if you have a NEC UltraLite Versa 33/C or a Toshiba - T400CDT. This is off by default since most machines do fine without - this feature. - -config APM_CPU_IDLE - bool "Make CPU Idle calls when idle" - help - Enable calls to APM CPU Idle/CPU Busy inside the kernel's idle loop. - On some machines, this can activate improved power savings, such as - a slowed CPU clock rate, when the machine is idle. These idle calls - are made after the idle loop has run for some length of time (e.g., - 333 mS). On some machines, this will cause a hang at boot time or - whenever the CPU becomes idle. (On machines with more than one CPU, - this option does nothing.) - -config APM_DISPLAY_BLANK - bool "Enable console blanking using APM" - help - Enable console blanking using the APM. Some laptops can use this to - turn off the LCD backlight when the screen blanker of the Linux - virtual console blanks the screen. Note that this is only used by - the virtual console screen blanker, and won't turn off the backlight - when using the X Window system. This also doesn't have anything to - do with your VESA-compliant power-saving monitor. Further, this - option doesn't work for all laptops -- it might not turn off your - backlight at all, or it might print a lot of errors to the console, - especially if you are using gpm. - -config APM_ALLOW_INTS - bool "Allow interrupts during APM BIOS calls" - help - Normally we disable external interrupts while we are making calls to - the APM BIOS as a measure to lessen the effects of a badly behaving - BIOS implementation. The BIOS should reenable interrupts if it - needs to. Unfortunately, some BIOSes do not -- especially those in - many of the newer IBM Thinkpads. If you experience hangs when you - suspend, try setting this to Y. Otherwise, say N. - -config APM_REAL_MODE_POWER_OFF - bool "Use real mode APM BIOS call to power off" - help - Use real mode APM BIOS calls to switch off the computer. This is - a work-around for a number of buggy BIOSes. Switch this option on if - your computer crashes instead of powering off properly. - -endif # APM - -source "arch/x86/kernel/cpu/cpufreq/Kconfig_32" - -source "drivers/cpuidle/Kconfig" - -endmenu - -menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)" - -config PCI - bool "PCI support" if !X86_VISWS - depends on !X86_VOYAGER - default y if X86_VISWS - 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 - bus system, i.e. the way the CPU talks to the other stuff inside - 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 PCI && !X86_VISWS - default PCI_GOANY - ---help--- - On PCI systems, the BIOS can be used to detect the PCI devices and - determine their configuration. However, some old PCI motherboards - have BIOS bugs and may crash if this is done. Also, some embedded - PCI-based systems don't have any BIOS at all. Linux can also try to - detect the PCI hardware directly without using the BIOS. - - With this option, you can specify how Linux should detect the - PCI devices. If you choose "BIOS", the BIOS will be used, - if you choose "Direct", the BIOS won't be used, and if you - choose "MMConfig", then PCI Express MMCONFIG will be used. - If you choose "Any", the kernel will try MMCONFIG, then the - direct access method and falls back to the BIOS if that doesn't - work. If unsure, go with the default, which is "Any". - -config PCI_GOBIOS - bool "BIOS" - -config PCI_GOMMCONFIG - bool "MMConfig" - -config PCI_GODIRECT - bool "Direct" - -config PCI_GOANY - bool "Any" - -endchoice - -config PCI_BIOS - bool - depends on !X86_VISWS && PCI && (PCI_GOBIOS || PCI_GOANY) - default y - -config PCI_DIRECT - bool - depends on PCI && ((PCI_GODIRECT || PCI_GOANY) || X86_VISWS) - default y - -config PCI_MMCONFIG - bool - depends on PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY) - default y - -config PCI_DOMAINS - bool - depends on PCI - default y - -source "drivers/pci/pcie/Kconfig" - -source "drivers/pci/Kconfig" - -config ISA_DMA_API - bool - default y - -config ISA - bool "ISA support" - depends on !(X86_VOYAGER || X86_VISWS) - 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 - inside your box. Other bus systems are PCI, EISA, MicroChannel - (MCA) or VESA. ISA is an older system, now being displaced by PCI; - newer boards don't support it. If you have ISA, say Y, otherwise N. - -config EISA - bool "EISA support" - depends on ISA - ---help--- - The Extended Industry Standard Architecture (EISA) bus was - developed as an open alternative to the IBM MicroChannel bus. - - The EISA bus provided some of the features of the IBM MicroChannel - bus while maintaining backward compatibility with cards made for - the older ISA bus. The EISA bus saw limited use between 1988 and - 1995 when it was made obsolete by the PCI bus. - - Say Y here if you are building a kernel for an EISA-based machine. - - Otherwise, say N. - -source "drivers/eisa/Kconfig" - -config MCA - bool "MCA support" if !(X86_VISWS || X86_VOYAGER) - default y if X86_VOYAGER - help - MicroChannel Architecture is found in some IBM PS/2 machines and - laptops. It is a bus system similar to PCI or ISA. See - <file:Documentation/mca.txt> (and especially the web page given - there) before attempting to build an MCA bus kernel. - -source "drivers/mca/Kconfig" - -config SCx200 - tristate "NatSemi SCx200 support" - depends on !X86_VOYAGER - help - This provides basic support for National Semiconductor's - (now AMD's) Geode processors. The driver probes for the - PCI-IDs of several on-chip devices, so its a good dependency - for other scx200_* drivers. - - If compiled as a module, the driver is named scx200. - -config SCx200HR_TIMER - tristate "NatSemi SCx200 27MHz High-Resolution Timer Support" - depends on SCx200 && GENERIC_TIME - default y - help - This driver provides a clocksource built upon the on-chip - 27MHz high-resolution timer. Its also a workaround for - NSC Geode SC-1100's buggy TSC, which loses time when the - processor goes idle (as is done by the scheduler). The - other workaround is idle=poll boot option. - -config GEODE_MFGPT_TIMER - bool "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. - MFGPTs have a better resolution and max interval than the - generic PIT, and are suitable for use as high-res timers. - -config K8_NB - def_bool y - depends on AGP_AMD64 - -source "drivers/pcmcia/Kconfig" - -source "drivers/pci/hotplug/Kconfig" - -endmenu - -menu "Executable file formats" - -source "fs/Kconfig.binfmt" - -endmenu - -source "net/Kconfig" - -source "drivers/Kconfig" - -source "fs/Kconfig" - -source "kernel/Kconfig.instrumentation" - -source "arch/x86/Kconfig.debug" - -source "security/Kconfig" - -source "crypto/Kconfig" - -source "lib/Kconfig" - -# -# Use the generic interrupt handling code in kernel/irq/: -# -config GENERIC_HARDIRQS - bool - default y - -config GENERIC_IRQ_PROBE - bool - default y - -config GENERIC_PENDING_IRQ - bool - depends on GENERIC_HARDIRQS && SMP - default y - -config X86_SMP - bool - depends on SMP && !X86_VOYAGER - default y - -config X86_HT - bool - depends on SMP && !(X86_VISWS || X86_VOYAGER) - default y - -config X86_BIOS_REBOOT - bool - depends on !(X86_VISWS || X86_VOYAGER) - default y - -config X86_TRAMPOLINE - bool - depends on X86_SMP || (X86_VOYAGER && SMP) - default y - -config KTIME_SCALAR - bool - default y diff --git a/arch/i386/Kconfig.cpu b/arch/i386/Kconfig.cpu deleted file mode 100644 index 0e2adadf590..00000000000 --- a/arch/i386/Kconfig.cpu +++ /dev/null @@ -1,372 +0,0 @@ -# Put here option for CPU selection and depending optimization -if !X86_ELAN - -choice - prompt "Processor family" - default M686 - -config M386 - bool "386" - depends on !UML - ---help--- - This is the processor type of your CPU. This information is used for - optimizing purposes. In order to compile a kernel that can run on - all x86 CPU types (albeit not optimally fast), you can specify - "386" here. - - The kernel will not necessarily run on earlier architectures than - the one you have chosen, e.g. a Pentium optimized kernel will run on - a PPro, but not necessarily on a i486. - - Here are the settings recommended for greatest speed: - - "386" for the AMD/Cyrix/Intel 386DX/DXL/SL/SLC/SX, Cyrix/TI - 486DLC/DLC2, UMC 486SX-S and NexGen Nx586. Only "386" kernels - will run on a 386 class machine. - - "486" for the AMD/Cyrix/IBM/Intel 486DX/DX2/DX4 or - SL/SLC/SLC2/SLC3/SX/SX2 and UMC U5D or U5S. - - "586" for generic Pentium CPUs lacking the TSC - (time stamp counter) register. - - "Pentium-Classic" for the Intel Pentium. - - "Pentium-MMX" for the Intel Pentium MMX. - - "Pentium-Pro" for the Intel Pentium Pro. - - "Pentium-II" for the Intel Pentium II or pre-Coppermine Celeron. - - "Pentium-III" for the Intel Pentium III or Coppermine Celeron. - - "Pentium-4" for the Intel Pentium 4 or P4-based Celeron. - - "K6" for the AMD K6, K6-II and K6-III (aka K6-3D). - - "Athlon" for the AMD K7 family (Athlon/Duron/Thunderbird). - - "Crusoe" for the Transmeta Crusoe series. - - "Efficeon" for the Transmeta Efficeon series. - - "Winchip-C6" for original IDT Winchip. - - "Winchip-2" for IDT Winchip 2. - - "Winchip-2A" for IDT Winchips with 3dNow! capabilities. - - "GeodeGX1" for Geode GX1 (Cyrix MediaGX). - - "Geode GX/LX" For AMD Geode GX and LX processors. - - "CyrixIII/VIA C3" for VIA Cyrix III or VIA C3. - - "VIA C3-2" for VIA C3-2 "Nehemiah" (model 9 and above). - - "VIA C7" for VIA C7. - - If you don't know what to do, choose "386". - -config M486 - bool "486" - help - Select this for a 486 series processor, either Intel or one of the - compatible processors from AMD, Cyrix, IBM, or Intel. Includes DX, - DX2, and DX4 variants; also SL/SLC/SLC2/SLC3/SX/SX2 and UMC U5D or - U5S. - -config M586 - bool "586/K5/5x86/6x86/6x86MX" - help - Select this for an 586 or 686 series processor such as the AMD K5, - the Cyrix 5x86, 6x86 and 6x86MX. This choice does not - assume the RDTSC (Read Time Stamp Counter) instruction. - -config M586TSC - bool "Pentium-Classic" - help - Select this for a Pentium Classic processor with the RDTSC (Read - Time Stamp Counter) instruction for benchmarking. - -config M586MMX - bool "Pentium-MMX" - help - Select this for a Pentium with the MMX graphics/multimedia - extended instructions. - -config M686 - bool "Pentium-Pro" - help - Select this for Intel Pentium Pro chips. This enables the use of - Pentium Pro extended instructions, and disables the init-time guard - against the f00f bug found in earlier Pentiums. - -config MPENTIUMII - bool "Pentium-II/Celeron(pre-Coppermine)" - help - Select this for Intel chips based on the Pentium-II and - pre-Coppermine Celeron core. This option enables an unaligned - copy optimization, compiles the kernel with optimization flags - tailored for the chip, and applies any applicable Pentium Pro - optimizations. - -config MPENTIUMIII - bool "Pentium-III/Celeron(Coppermine)/Pentium-III Xeon" - help - Select this for Intel chips based on the Pentium-III and - Celeron-Coppermine core. This option enables use of some - extended prefetch instructions in addition to the Pentium II - extensions. - -config MPENTIUMM - bool "Pentium M" - help - Select this for Intel Pentium M (not Pentium-4 M) - notebook chips. - -config MCORE2 - bool "Core 2/newer Xeon" - help - Select this for Intel Core 2 and newer Core 2 Xeons (Xeon 51xx and 53xx) - CPUs. You can distinguish newer from older Xeons by the CPU family - in /proc/cpuinfo. Newer ones have 6 and older ones 15 (not a typo) - -config MPENTIUM4 - bool "Pentium-4/Celeron(P4-based)/Pentium-4 M/older Xeon" - help - Select this for Intel Pentium 4 chips. This includes the - Pentium 4, Pentium D, P4-based Celeron and Xeon, and - Pentium-4 M (not Pentium M) chips. This option enables compile - flags optimized for the chip, uses the correct cache line size, and - applies any applicable optimizations. - - CPUIDs: F[0-6][1-A] (in /proc/cpuinfo show = cpu family : 15 ) - - Select this for: - Pentiums (Pentium 4, Pentium D, Celeron, Celeron D) corename: - -Willamette - -Northwood - -Mobile Pentium 4 - -Mobile Pentium 4 M - -Extreme Edition (Gallatin) - -Prescott - -Prescott 2M - -Cedar Mill - -Presler - -Smithfiled - Xeons (Intel Xeon, Xeon MP, Xeon LV, Xeon MV) corename: - -Foster - -Prestonia - -Gallatin - -Nocona - -Irwindale - -Cranford - -Potomac - -Paxville - -Dempsey - - -config MK6 - bool "K6/K6-II/K6-III" - help - Select this for an AMD K6-family processor. Enables use of - some extended instructions, and passes appropriate optimization - flags to GCC. - -config MK7 - bool "Athlon/Duron/K7" - help - Select this for an AMD Athlon K7-family processor. Enables use of - some extended instructions, and passes appropriate optimization - flags to GCC. - -config MK8 - bool "Opteron/Athlon64/Hammer/K8" - help - Select this for an AMD Opteron or Athlon64 Hammer-family processor. Enables - use of some extended instructions, and passes appropriate optimization - flags to GCC. - -config MCRUSOE - bool "Crusoe" - help - Select this for a Transmeta Crusoe processor. Treats the processor - like a 586 with TSC, and sets some GCC optimization flags (like a - Pentium Pro with no alignment requirements). - -config MEFFICEON - bool "Efficeon" - help - Select this for a Transmeta Efficeon processor. - -config MWINCHIPC6 - bool "Winchip-C6" - help - Select this for an IDT Winchip C6 chip. Linux and GCC - treat this chip as a 586TSC with some extended instructions - and alignment requirements. - -config MWINCHIP2 - bool "Winchip-2" - help - Select this for an IDT Winchip-2. Linux and GCC - treat this chip as a 586TSC with some extended instructions - and alignment requirements. - -config MWINCHIP3D - bool "Winchip-2A/Winchip-3" - help - Select this for an IDT Winchip-2A or 3. Linux and GCC - treat this chip as a 586TSC with some extended instructions - and alignment requirements. Also enable out of order memory - stores for this CPU, which can increase performance of some - operations. - -config MGEODEGX1 - bool "GeodeGX1" - help - Select this for a Geode GX1 (Cyrix MediaGX) chip. - -config MGEODE_LX - bool "Geode GX/LX" - help - Select this for AMD Geode GX and LX processors. - -config MCYRIXIII - bool "CyrixIII/VIA-C3" - help - Select this for a Cyrix III or C3 chip. Presently Linux and GCC - treat this chip as a generic 586. Whilst the CPU is 686 class, - it lacks the cmov extension which gcc assumes is present when - generating 686 code. - Note that Nehemiah (Model 9) and above will not boot with this - kernel due to them lacking the 3DNow! instructions used in earlier - incarnations of the CPU. - -config MVIAC3_2 - bool "VIA C3-2 (Nehemiah)" - help - Select this for a VIA C3 "Nehemiah". Selecting this enables usage - of SSE and tells gcc to treat the CPU as a 686. - Note, this kernel will not boot on older (pre model 9) C3s. - -config MVIAC7 - bool "VIA C7" - help - Select this for a VIA C7. Selecting this uses the correct cache - shift and tells gcc to treat the CPU as a 686. - -endchoice - -config X86_GENERIC - bool "Generic x86 support" - help - Instead of just including optimizations for the selected - x86 variant (e.g. PII, Crusoe or Athlon), include some more - generic optimizations as well. This will make the kernel - perform better on x86 CPUs other than that selected. - - This is really intended for distributors who need more - generic optimizations. - -endif - -# -# Define implied options from the CPU selection here -# -config X86_CMPXCHG - bool - depends on !M386 - default y - -config X86_L1_CACHE_SHIFT - int - default "7" if MPENTIUM4 || X86_GENERIC - default "4" if X86_ELAN || M486 || M386 || MGEODEGX1 - default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX - default "6" if MK7 || MK8 || MPENTIUMM || MCORE2 || MVIAC7 - -config X86_XADD - bool - depends on !M386 - default y - -config RWSEM_GENERIC_SPINLOCK - bool - depends on !X86_XADD - default y - -config RWSEM_XCHGADD_ALGORITHM - bool - depends on X86_XADD - default y - -config ARCH_HAS_ILOG2_U32 - bool - default n - -config ARCH_HAS_ILOG2_U64 - bool - default n - -config GENERIC_CALIBRATE_DELAY - bool - default y - -config X86_PPRO_FENCE - bool - depends on M686 || M586MMX || M586TSC || M586 || M486 || M386 || MGEODEGX1 - default y - -config X86_F00F_BUG - bool - depends on M586MMX || M586TSC || M586 || M486 || M386 - default y - -config X86_WP_WORKS_OK - bool - depends on !M386 - default y - -config X86_INVLPG - bool - depends on !M386 - default y - -config X86_BSWAP - bool - depends on !M386 - default y - -config X86_POPAD_OK - bool - depends on !M386 - default y - -config X86_ALIGNMENT_16 - bool - depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 - default y - -config X86_GOOD_APIC - bool - depends on MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || MK8 || MEFFICEON || MCORE2 || MVIAC7 - default y - -config X86_INTEL_USERCOPY - bool - depends on MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M586MMX || X86_GENERIC || MK8 || MK7 || MEFFICEON || MCORE2 - default y - -config X86_USE_PPRO_CHECKSUM - bool - depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON || MGEODE_LX || MCORE2 - default y - -config X86_USE_3DNOW - bool - depends on (MCYRIXIII || MK7 || MGEODE_LX) && !UML - default y - -config X86_OOSTORE - bool - depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR - 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 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ - default y - -# this should be set for all -march=.. options where the compiler -# generates cmov. -config X86_CMOV - bool - depends on (MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7) - default y - -config X86_MINIMUM_CPU_FAMILY - int - default "4" if X86_XADD || X86_CMPXCHG || X86_BSWAP || X86_WP_WORKS_OK - default "3" - |