diff options
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 123 |
1 files changed, 104 insertions, 19 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 6c70fed0f9a..a12dbb2b93f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -23,6 +23,7 @@ config X86 select HAVE_KPROBES select HAVE_KRETPROBES select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64) + select HAVE_ARCH_KGDB if !X86_VOYAGER config GENERIC_LOCKBREAK @@ -53,9 +54,6 @@ config STACKTRACE_SUPPORT config HAVE_LATENCYTOP_SUPPORT def_bool y -config SEMAPHORE_SLEEPERS - def_bool y - config FAST_CMPXCHG_LOCAL bool default y @@ -88,9 +86,6 @@ config GENERIC_GPIO config ARCH_MAY_HAVE_PC_FDC def_bool y -config DMI - def_bool y - config RWSEM_GENERIC_SPINLOCK def_bool !X86_XADD @@ -116,8 +111,14 @@ config GENERIC_TIME_VSYSCALL config ARCH_HAS_CPU_RELAX def_bool y +config ARCH_HAS_CACHE_LINE_SIZE + def_bool y + config HAVE_SETUP_PER_CPU_AREA - def_bool X86_64 + def_bool X86_64 || (X86_SMP && !X86_VOYAGER) + +config HAVE_CPUMASK_OF_CPU_MAP + def_bool X86_64_SMP config ARCH_HIBERNATION_POSSIBLE def_bool y @@ -141,6 +142,9 @@ config AUDIT_ARCH config ARCH_SUPPORTS_AOUT def_bool y +config ARCH_SUPPORTS_OPTIMIZED_INLINING + def_bool y + # Use the generic interrupt handling code in kernel/irq/: config GENERIC_HARDIRQS bool @@ -171,7 +175,7 @@ config X86_64_SMP config X86_HT bool depends on SMP - depends on (X86_32 && !(X86_VISWS || X86_VOYAGER)) || (X86_64 && !MK8) + depends on (X86_32 && !(X86_VISWS || X86_VOYAGER)) || X86_64 default y config X86_BIOS_REBOOT @@ -181,7 +185,7 @@ config X86_BIOS_REBOOT config X86_TRAMPOLINE bool - depends on X86_SMP || (X86_VOYAGER && SMP) + depends on X86_SMP || (X86_VOYAGER && SMP) || (64BIT && ACPI_SLEEP) default y config KTIME_SCALAR @@ -241,8 +245,7 @@ config X86_ELAN config X86_VOYAGER bool "Voyager (NCR)" - depends on X86_32 - select SMP if !BROKEN + depends on X86_32 && (SMP || 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. @@ -254,9 +257,8 @@ config X86_VOYAGER config X86_NUMAQ bool "NUMAQ (IBM/Sequent)" - select SMP + depends on SMP && X86_32 select NUMA - depends on X86_32 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, @@ -327,8 +329,9 @@ config X86_RDC321X config X86_VSMP bool "Support for ScaleMP vSMP" - depends on X86_64 && PCI - help + select PARAVIRT + depends on X86_64 + help Support for ScaleMP vSMP systems. Say 'Y' here if this kernel is supposed to run on these EM64T-based machines. Only choose this option if you have one of these machines. @@ -370,6 +373,25 @@ config VMI at the moment), by linking the kernel to a GPL-ed ROM module provided by the hypervisor. +config KVM_CLOCK + bool "KVM paravirtualized clock" + select PARAVIRT + depends on !(X86_VISWS || X86_VOYAGER) + help + Turning on this option will allow you to run a paravirtualized clock + when running over the KVM hypervisor. Instead of relying on a PIT + (or probably other) emulation by the underlying device model, the host + provides the guest with timing infrastructure such as time of day, and + system time + +config KVM_GUEST + bool "KVM Guest support" + select PARAVIRT + depends on !(X86_VISWS || X86_VOYAGER) + help + This option enables various optimizations for running under the KVM + hypervisor. + source "arch/x86/lguest/Kconfig" config PARAVIRT @@ -383,6 +405,35 @@ config PARAVIRT endif +config MEMTEST_BOOTPARAM + bool "Memtest boot parameter" + depends on X86_64 + default y + help + This option adds a kernel parameter 'memtest', which allows memtest + to be disabled at boot. If this option is selected, memtest + functionality can be disabled with memtest=0 on the kernel + command line. The purpose of this option is to allow a single + kernel image to be distributed with memtest built in, but not + necessarily enabled. + + If you are unsure how to answer this question, answer Y. + +config MEMTEST_BOOTPARAM_VALUE + int "Memtest boot parameter default value (0-4)" + depends on MEMTEST_BOOTPARAM + range 0 4 + default 0 + help + This option sets the default value for the kernel parameter + 'memtest', which allows memtest to be disabled at boot. If this + option is set to 0 (zero), the memtest kernel parameter will + default to 0, disabling memtest at bootup. If this option is + set to 4, the memtest kernel parameter will default to 4, + enabling memtest at bootup, and use that as pattern number. + + If you are unsure how to answer this question, answer 0. + config ACPI_SRAT def_bool y depends on X86_32 && ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH) @@ -431,6 +482,15 @@ config HPET_EMULATE_RTC # Mark as embedded because too many people got it wrong. # The code disables itself when not needed. +config DMI + default y + bool "Enable DMI scanning" if EMBEDDED + help + Enabled scanning of DMI to identify machine quirks. Say Y + here unless you have verified that your setup is not + affected by entries in the DMI blacklist. Required by PNP + BIOS code. + config GART_IOMMU bool "GART IOMMU support" if EMBEDDED default y @@ -507,7 +567,7 @@ config NR_CPUS config SCHED_SMT bool "SMT (Hyperthreading) scheduler support" - depends on (X86_64 && SMP) || (X86_32 && X86_HT) + 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 @@ -517,7 +577,7 @@ config SCHED_SMT config SCHED_MC def_bool y prompt "Multi-core scheduler support" - depends on (X86_64 && SMP) || (X86_32 && X86_HT) + depends on X86_HT help Multi-core scheduler support improves the CPU scheduler's decision making when dealing with multi-core CPU chips at a cost of slightly @@ -877,6 +937,15 @@ config X86_64_ACPI_NUMA help Enable ACPI SRAT based node topology detection. +# Some NUMA nodes have memory ranges that span +# other nodes. Even though a pfn is valid and +# between a node's start and end pfns, it may not +# reside on that node. See memmap_init_zone() +# for details. +config NODES_SPAN_OTHER_NODES + def_bool y + depends on X86_64_ACPI_NUMA + config NUMA_EMU bool "NUMA emulation" depends on X86_64 && NUMA @@ -886,7 +955,7 @@ config NUMA_EMU number of nodes. This is only useful for debugging. config NODES_SHIFT - int + int "Max num nodes shift(1-15)" range 1 15 if X86_64 default "6" if X86_64 default "4" if X86_NUMAQ @@ -1010,6 +1079,21 @@ config MTRR See <file:Documentation/mtrr.txt> for more information. +config X86_PAT + bool + prompt "x86 PAT support" + depends on MTRR + help + Use PAT attributes to setup page level cache control. + + PATs are the modern equivalents of MTRRs and are much more + flexible than MTRRs. + + Say N here if you see bootup problems (boot crash, boot hang, + spontaneous reboots) or a non-working video driver. + + If unsure, say Y. + config EFI def_bool n prompt "EFI runtime service support" @@ -1078,6 +1162,7 @@ source kernel/Kconfig.hz config KEXEC bool "kexec system call" + depends on X86_64 || X86_BIOS_REBOOT 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 @@ -1379,7 +1464,7 @@ endmenu menu "Bus options (PCI etc.)" config PCI - bool "PCI support" if !X86_VISWS + bool "PCI support" if !X86_VISWS && !X86_VSMP depends on !X86_VOYAGER default y select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC) |