x86/Kconfig: Clean up Kconfig defaults
The main goal here is to have the resulting .config no carry any options that aren't enabled and can't be (i.e such where the default is "no" and can't be changed), so that if any such option later gets a user visible prompt, the user will actually be prompted on a "make ...oldconfig" rather than keeping the previously invisible option disabled. There's a little bit of other trivial cleanup mixed in here. Signed-off-by: Jan Beulich <jbeulich@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/504DEE19020000780009A285@nat28.tlf.novell.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -7,11 +7,13 @@ config 64BIT
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Say no to build a 32-bit kernel - formerly known as i386
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config X86_32
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def_bool !64BIT
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def_bool y
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depends on !64BIT
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select CLKSRC_I8253
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config X86_64
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def_bool 64BIT
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def_bool y
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depends on 64BIT
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select X86_DEV_DMA_OPS
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### Arch settings
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@ -99,7 +101,8 @@ config X86
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select GENERIC_STRNLEN_USER
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config INSTRUCTION_DECODER
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def_bool (KPROBES || PERF_EVENTS || UPROBES)
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def_bool y
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depends on KPROBES || PERF_EVENTS || UPROBES
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config OUTPUT_FORMAT
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string
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@ -127,13 +130,15 @@ config SBUS
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bool
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config NEED_DMA_MAP_STATE
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def_bool (X86_64 || INTEL_IOMMU || DMA_API_DEBUG)
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def_bool y
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depends on X86_64 || INTEL_IOMMU || DMA_API_DEBUG
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config NEED_SG_DMA_LENGTH
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def_bool y
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config GENERIC_ISA_DMA
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def_bool ISA_DMA_API
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def_bool y
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depends on ISA_DMA_API
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config GENERIC_BUG
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def_bool y
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@ -150,13 +155,16 @@ config GENERIC_GPIO
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bool
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config ARCH_MAY_HAVE_PC_FDC
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def_bool ISA_DMA_API
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def_bool y
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depends on ISA_DMA_API
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config RWSEM_GENERIC_SPINLOCK
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def_bool !X86_XADD
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def_bool y
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depends on !X86_XADD
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config RWSEM_XCHGADD_ALGORITHM
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def_bool X86_XADD
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def_bool y
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depends on X86_XADD
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config GENERIC_CALIBRATE_DELAY
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def_bool y
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@ -752,7 +760,8 @@ config SWIOTLB
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3 GB of memory. If unsure, say Y.
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config IOMMU_HELPER
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def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)
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def_bool y
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depends on CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU
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config MAXSMP
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bool "Enable Maximum number of SMP Processors and NUMA Nodes"
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@ -1159,10 +1168,12 @@ config X86_PAE
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consumes more pagetable space per process.
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config ARCH_PHYS_ADDR_T_64BIT
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def_bool X86_64 || X86_PAE
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def_bool y
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depends on X86_64 || X86_PAE
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config ARCH_DMA_ADDR_T_64BIT
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def_bool X86_64 || HIGHMEM64G
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def_bool y
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depends on X86_64 || HIGHMEM64G
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config DIRECT_GBPAGES
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bool "Enable 1GB pages for kernel pagetables" if EXPERT
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@ -1285,8 +1296,8 @@ config ARCH_SELECT_MEMORY_MODEL
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depends on ARCH_SPARSEMEM_ENABLE
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config ARCH_MEMORY_PROBE
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def_bool X86_64
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depends on MEMORY_HOTPLUG
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def_bool y
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depends on X86_64 && MEMORY_HOTPLUG
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config ARCH_PROC_KCORE_TEXT
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def_bool y
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@ -1975,7 +1986,6 @@ config PCI_MMCONFIG
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config PCI_CNB20LE_QUIRK
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bool "Read CNB20LE Host Bridge Windows" if EXPERT
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default n
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depends on PCI && EXPERIMENTAL
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help
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Read the PCI windows out of the CNB20LE host bridge. This allows
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@ -2186,18 +2196,18 @@ config COMPAT
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depends on IA32_EMULATION || X86_X32
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select ARCH_WANT_OLD_COMPAT_IPC
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if COMPAT
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config COMPAT_FOR_U64_ALIGNMENT
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def_bool COMPAT
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depends on X86_64
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def_bool y
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config SYSVIPC_COMPAT
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def_bool y
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depends on COMPAT && SYSVIPC
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depends on SYSVIPC
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config KEYS_COMPAT
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bool
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depends on COMPAT && KEYS
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default y
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def_bool y
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depends on KEYS
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endif
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endmenu
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@ -306,7 +306,8 @@ config X86_INTERNODE_CACHE_SHIFT
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default X86_L1_CACHE_SHIFT
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config X86_CMPXCHG
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def_bool X86_64 || (X86_32 && !M386)
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def_bool y
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depends on X86_64 || (X86_32 && !M386)
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config X86_L1_CACHE_SHIFT
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int
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@ -317,7 +318,7 @@ config X86_L1_CACHE_SHIFT
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config X86_XADD
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def_bool y
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depends on X86_64 || !M386
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depends on !M386
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config X86_PPRO_FENCE
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bool "PentiumPro memory ordering errata workaround"
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