diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 63bf349b2b24..9d921b78b145 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -423,12 +423,6 @@ config X86_MPPARSE For old smp systems that do not have proper acpi support. Newer systems (esp with 64bit cpus) with acpi support, MADT and DSDT will override it -config X86_BIGSMP - bool "Support for big SMP systems with more than 8 CPUs" - depends on X86_32 && SMP - ---help--- - This option is needed for the systems that have more than 8 CPUs - config GOLDFISH def_bool y depends on X86_GOLDFISH @@ -460,6 +454,12 @@ config INTEL_RDT Say N if unsure. if X86_32 +config X86_BIGSMP + bool "Support for big SMP systems with more than 8 CPUs" + depends on SMP + ---help--- + This option is needed for the systems that have more than 8 CPUs + config X86_EXTENDED_PLATFORM bool "Support for extended (non-PC) x86 platforms" default y @@ -949,17 +949,44 @@ config MAXSMP Enable maximum number of CPUS and NUMA Nodes for this architecture. If unsure, say N. +config RANGE_END_CPUS + int + depends on X86_32 + default 8 if SMP && !X86_BIGSMP + default 64 if SMP && X86_BIGSMP + default 1 if !SMP + +config RANGE_END_CPUS + int + depends on X86_64 + default 512 if SMP && !MAXSMP && !CPUMASK_OFFSTACK + default 8192 if SMP && (MAXSMP || CPUMASK_OFFSTACK) + default 1 if !SMP + +config RANGE_BEGIN_CPUS + int + default 1 if !SMP + default RANGE_END_CPUS if MAXSMP + default 2 + +config DEF_CONFIG_CPUS + int + depends on X86_32 + default 1 if !SMP + default 32 if X86_BIGSMP + default 8 if SMP + +config DEF_CONFIG_CPUS + int + depends on X86_64 + default 1 if !SMP + default 8192 if MAXSMP + default 64 if SMP + config NR_CPUS int "Maximum number of CPUs" if SMP && !MAXSMP - range 2 8 if SMP && X86_32 && !X86_BIGSMP - range 2 64 if SMP && X86_32 && X86_BIGSMP - range 2 512 if SMP && !MAXSMP && !CPUMASK_OFFSTACK && X86_64 - range 2 8192 if SMP && !MAXSMP && CPUMASK_OFFSTACK && X86_64 - default "1" if !SMP - default "8192" if MAXSMP - default "32" if SMP && X86_BIGSMP - default "8" if SMP && X86_32 - default "64" if SMP + range RANGE_BEGIN_CPUS RANGE_END_CPUS + default DEF_CONFIG_CPUS ---help--- This allows you to specify the maximum number of CPUs which this kernel will support. If CPUMASK_OFFSTACK is enabled, the maximum