diff options
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r-- | arch/x86/Kconfig | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 68d91c8233f4..ed92864d1325 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig | |||
@@ -577,35 +577,29 @@ config SWIOTLB | |||
577 | 577 | ||
578 | config IOMMU_HELPER | 578 | config IOMMU_HELPER |
579 | def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU) | 579 | def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU) |
580 | |||
580 | config MAXSMP | 581 | config MAXSMP |
581 | bool "Configure Maximum number of SMP Processors and NUMA Nodes" | 582 | bool "Configure Maximum number of SMP Processors and NUMA Nodes" |
582 | depends on X86_64 && SMP | 583 | depends on X86_64 && SMP && BROKEN |
583 | default n | 584 | default n |
584 | help | 585 | help |
585 | Configure maximum number of CPUS and NUMA Nodes for this architecture. | 586 | Configure maximum number of CPUS and NUMA Nodes for this architecture. |
586 | If unsure, say N. | 587 | If unsure, say N. |
587 | 588 | ||
588 | if MAXSMP | ||
589 | config NR_CPUS | ||
590 | int | ||
591 | default "4096" | ||
592 | endif | ||
593 | |||
594 | if !MAXSMP | ||
595 | config NR_CPUS | 589 | config NR_CPUS |
596 | int "Maximum number of CPUs (2-4096)" | 590 | int "Maximum number of CPUs (2-512)" if !MAXSMP |
597 | range 2 4096 | 591 | range 2 512 |
598 | depends on SMP | 592 | depends on SMP |
593 | default "4096" if MAXSMP | ||
599 | default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000 | 594 | default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000 |
600 | default "8" | 595 | default "8" |
601 | help | 596 | help |
602 | This allows you to specify the maximum number of CPUs which this | 597 | This allows you to specify the maximum number of CPUs which this |
603 | kernel will support. The maximum supported value is 4096 and the | 598 | kernel will support. The maximum supported value is 512 and the |
604 | minimum value which makes sense is 2. | 599 | minimum value which makes sense is 2. |
605 | 600 | ||
606 | This is purely to save memory - each supported CPU adds | 601 | This is purely to save memory - each supported CPU adds |
607 | approximately eight kilobytes to the kernel image. | 602 | approximately eight kilobytes to the kernel image. |
608 | endif | ||
609 | 603 | ||
610 | config SCHED_SMT | 604 | config SCHED_SMT |
611 | bool "SMT (Hyperthreading) scheduler support" | 605 | bool "SMT (Hyperthreading) scheduler support" |
@@ -996,17 +990,10 @@ config NUMA_EMU | |||
996 | into virtual nodes when booted with "numa=fake=N", where N is the | 990 | into virtual nodes when booted with "numa=fake=N", where N is the |
997 | number of nodes. This is only useful for debugging. | 991 | number of nodes. This is only useful for debugging. |
998 | 992 | ||
999 | if MAXSMP | ||
1000 | |||
1001 | config NODES_SHIFT | 993 | config NODES_SHIFT |
1002 | int | 994 | int "Maximum NUMA Nodes (as a power of 2)" if !MAXSMP |
1003 | default "9" | ||
1004 | endif | ||
1005 | |||
1006 | if !MAXSMP | ||
1007 | config NODES_SHIFT | ||
1008 | int "Maximum NUMA Nodes (as a power of 2)" | ||
1009 | range 1 9 if X86_64 | 995 | range 1 9 if X86_64 |
996 | default "9" if MAXSMP | ||
1010 | default "6" if X86_64 | 997 | default "6" if X86_64 |
1011 | default "4" if X86_NUMAQ | 998 | default "4" if X86_NUMAQ |
1012 | default "3" | 999 | default "3" |
@@ -1014,7 +1001,6 @@ config NODES_SHIFT | |||
1014 | help | 1001 | help |
1015 | Specify the maximum number of NUMA Nodes available on the target | 1002 | Specify the maximum number of NUMA Nodes available on the target |
1016 | system. Increases memory reserved to accomodate various tables. | 1003 | system. Increases memory reserved to accomodate various tables. |
1017 | endif | ||
1018 | 1004 | ||
1019 | config HAVE_ARCH_BOOTMEM_NODE | 1005 | config HAVE_ARCH_BOOTMEM_NODE |
1020 | def_bool y | 1006 | def_bool y |