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@@ -53,6 +53,35 @@ source "init/Kconfig"
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menu "Processor type and features"
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+config SMP
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+ bool "Symmetric multi-processing support"
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+ ---help---
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+ This enables support for systems with more than one CPU. If you have
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+ a system with only one CPU, like most personal computers, say N. If
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+ you have a system with more than one CPU, say Y.
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+
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+ If you say N here, the kernel will run on single and multiprocessor
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+ machines, but will use only one CPU of a multiprocessor machine. If
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+ you say Y here, the kernel will run on many, but not all,
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+ singleprocessor machines. On a singleprocessor machine, the kernel
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+ will run faster if you say N here.
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+
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+ Note that if you say Y here and choose architecture "586" or
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+ "Pentium" under "Processor family", the kernel will not work on 486
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+ architectures. Similarly, multiprocessor kernels for the "PPro"
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+ architecture may not work on all Pentium based boards.
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+
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+ People using multiprocessor machines who say Y here should also say
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+ Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
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+ Management" code will be disabled if you say Y here.
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+
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+ See also the <file:Documentation/smp.txt>,
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+ <file:Documentation/i386/IO-APIC.txt>,
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+ <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
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+ <http://www.tldp.org/docs.html#howto>.
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+
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+ If you don't know what to do here, say N.
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+
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choice
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prompt "Subarchitecture Type"
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default X86_PC
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@@ -178,35 +207,6 @@ config HPET_EMULATE_RTC
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depends on HPET_TIMER && RTC=y
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default y
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-config SMP
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- bool "Symmetric multi-processing support"
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- ---help---
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- 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.
|
|
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-
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- If you say N here, the kernel will run on single and multiprocessor
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|
|
- machines, but will use only one CPU of a multiprocessor machine. If
|
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|
- you say Y here, the kernel will run on many, but not all,
|
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|
- singleprocessor machines. On a singleprocessor machine, the kernel
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|
- will run faster if you say N here.
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-
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- Note that if you say Y here and choose architecture "586" or
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- "Pentium" under "Processor family", the kernel will not work on 486
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|
|
- architectures. Similarly, multiprocessor kernels for the "PPro"
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|
- architecture may not work on all Pentium based boards.
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-
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- People using multiprocessor machines who say Y here should also say
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- Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
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- Management" code will be disabled if you say Y here.
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-
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- See also the <file:Documentation/smp.txt>,
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- <file:Documentation/i386/IO-APIC.txt>,
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- <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
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- <http://www.tldp.org/docs.html#howto>.
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-
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- If you don't know what to do here, say N.
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-
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config NR_CPUS
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int "Maximum number of CPUs (2-255)"
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range 2 255
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