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authorMike Travis <travis@sgi.com>2008-12-16 17:33:51 -0800
committerMike Travis <travis@sgi.com>2008-12-16 17:40:55 -0800
commit36f5101a60de8f79c0d1ca06e50660bf5129e02c (patch)
tree5476f291ff57f1e5873e207cd70134f67911573b /arch/x86
parentc8cae544bba6aee0f5cb0756dbab1a71d2c68737 (diff)
x86: enable MAXSMP
Impact: activates new off-stack cpumask code on MAXSMP (non-default) x86 configs Set MAXSMP to enable CONFIG_CPUMASK_OFFSTACK which moves cpumask's off the stack (and in structs) when using cpumask_var_t. Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Ingo Molnar <mingo@elte.hy>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/Kconfig7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d99eeb7915c..1fd44352f27 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -591,16 +591,17 @@ config IOMMU_HELPER
config MAXSMP
bool "Configure Maximum number of SMP Processors and NUMA Nodes"
- depends on X86_64 && SMP && BROKEN
+ depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL
+ select CPUMASK_OFFSTACK
default n
help
Configure maximum number of CPUS and NUMA Nodes for this architecture.
If unsure, say N.
config NR_CPUS
- int "Maximum number of CPUs (2-512)" if !MAXSMP
- range 2 512
depends on SMP
+ int "Maximum number of CPUs" if SMP && !MAXSMP
+ range 2 512 if SMP && !MAXSMP
default "4096" if MAXSMP
default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
default "8"