menu "Processor type and features"
+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
depends on HPET_TIMER && RTC=y
default y
-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.
-
config NR_CPUS
int "Maximum number of CPUs (2-255)"
range 2 255
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
Say N.
-config DOUBLEFAULT
- default y
- bool "Enable doublefault exception handler" if EMBEDDED
- help
- This option allows trapping of rare doublefault exceptions that
- would otherwise cause a system to silently reboot. Disabling this
- option saves about 4k and might cause you much additional grey
- hair.
-
endmenu