diff options
Diffstat (limited to 'arch/x86_64/Kconfig')
| -rw-r--r-- | arch/x86_64/Kconfig | 70 |
1 files changed, 54 insertions, 16 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 21afa69a086..6ece645e4db 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -226,22 +226,42 @@ config SCHED_SMT source "kernel/Kconfig.preempt" -config K8_NUMA - bool "K8 NUMA support" - select NUMA +config NUMA + bool "Non Uniform Memory Access (NUMA) Support" depends on SMP help - Enable NUMA (Non Unified Memory Architecture) support for - AMD Opteron Multiprocessor systems. The kernel will try to allocate - memory used by a CPU on the local memory controller of the CPU - and add some more NUMA awareness to the kernel. - This code is recommended on all multiprocessor Opteron systems - and normally doesn't hurt on others. + Enable NUMA (Non Uniform Memory Access) support. The kernel + will try to allocate memory used by a CPU on the local memory + controller of the CPU and add some more NUMA awareness to the kernel. + This code is recommended on all multiprocessor Opteron systems. + If the system is EM64T, you should say N unless your system is EM64T + NUMA. + +config K8_NUMA + bool "Old style AMD Opteron NUMA detection" + depends on NUMA + default y + 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 configurtion directly from the builtin + Northbridge of Opteron. It is recommended to use X86_64_ACPI_NUMA + instead, which also takes priority if both are compiled in. + +# Dummy CONFIG option to select ACPI_NUMA from drivers/acpi/Kconfig. + +config X86_64_ACPI_NUMA + bool "ACPI NUMA detection" + depends on NUMA + select ACPI + select ACPI_NUMA + default y + help + Enable ACPI SRAT based node topology detection. config NUMA_EMU - bool "NUMA emulation support" - select NUMA - depends on SMP + bool "NUMA emulation" + depends on NUMA help Enable NUMA emulation. A flat machine will be split into virtual nodes when booted with "numa=fake=N", where N is the @@ -252,9 +272,6 @@ config ARCH_DISCONTIGMEM_ENABLE depends on NUMA default y -config NUMA - bool - default n config ARCH_DISCONTIGMEM_ENABLE def_bool y @@ -374,6 +391,14 @@ config X86_MCE_INTEL Additional support for intel specific MCE features such as the thermal monitor. +config X86_MCE_AMD + bool "AMD MCE features" + depends on X86_MCE && X86_LOCAL_APIC + default y + help + Additional support for AMD specific MCE features such as + the DRAM Error Threshold. + config PHYSICAL_START hex "Physical address where the kernel is loaded" if EMBEDDED default "0x100000" @@ -502,7 +527,7 @@ config IA32_EMULATION left. config IA32_AOUT - bool "IA32 a.out support" + tristate "IA32 a.out support" depends on IA32_EMULATION help Support old a.out binaries in the 32bit emulation. @@ -532,8 +557,21 @@ source "drivers/firmware/Kconfig" source fs/Kconfig +menu "Instrumentation Support" + depends on EXPERIMENTAL + source "arch/x86_64/oprofile/Kconfig" +config KPROBES + bool "Kprobes (EXPERIMENTAL)" + help + Kprobes allows you to trap at almost any kernel address and + execute a callback function. register_kprobe() establishes + a probepoint and specifies the callback. Kprobes is useful + for kernel debugging, non-intrusive instrumentation and testing. + If in doubt, say "N". +endmenu + source "arch/x86_64/Kconfig.debug" source "security/Kconfig" |