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Commit 3120e25e authored by Jan Beulich's avatar Jan Beulich Committed by Ingo Molnar
Browse files

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: default avatarJan 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: default avatarIngo Molnar <mingo@kernel.org>
parent c206b9dc

arch/x86/Kconfig

+30 −20
Original line number Diff line number Diff line
@@ -7,11 +7,13 @@ config 64BIT 
	  Say no to build a 32-bit kernel - formerly known as i386



config X86_32

	def_bool !64BIT

	def_bool y

	depends on !64BIT

	select CLKSRC_I8253



config X86_64

	def_bool 64BIT

	def_bool y

	depends on 64BIT

	select X86_DEV_DMA_OPS



### Arch settings
@@ -99,7 +101,8 @@ config X86 
	select GENERIC_STRNLEN_USER



config INSTRUCTION_DECODER

	def_bool (KPROBES || PERF_EVENTS || UPROBES)

	def_bool y

	depends on KPROBES || PERF_EVENTS || UPROBES



config OUTPUT_FORMAT

	string
@@ -127,13 +130,15 @@ config SBUS 
	bool



config NEED_DMA_MAP_STATE

       def_bool (X86_64 || INTEL_IOMMU || DMA_API_DEBUG)

	def_bool y

	depends on X86_64 || INTEL_IOMMU || DMA_API_DEBUG



config NEED_SG_DMA_LENGTH

	def_bool y



config GENERIC_ISA_DMA

	def_bool ISA_DMA_API

	def_bool y

	depends on ISA_DMA_API



config GENERIC_BUG

	def_bool y
@@ -150,13 +155,16 @@ config GENERIC_GPIO 
	bool



config ARCH_MAY_HAVE_PC_FDC

	def_bool ISA_DMA_API

	def_bool y

	depends on ISA_DMA_API



config RWSEM_GENERIC_SPINLOCK

	def_bool !X86_XADD

	def_bool y

	depends on !X86_XADD



config RWSEM_XCHGADD_ALGORITHM

	def_bool X86_XADD

	def_bool y

	depends on X86_XADD



config GENERIC_CALIBRATE_DELAY

	def_bool y
@@ -752,7 +760,8 @@ config SWIOTLB 
	  3 GB of memory. If unsure, say Y.



config IOMMU_HELPER

	def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)

	def_bool y

	depends on CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU



config MAXSMP

	bool "Enable Maximum number of SMP Processors and NUMA Nodes"
@@ -1159,10 +1168,12 @@ config X86_PAE 
	  consumes more pagetable space per process.



config ARCH_PHYS_ADDR_T_64BIT

	def_bool X86_64 || X86_PAE

	def_bool y

	depends on X86_64 || X86_PAE



config ARCH_DMA_ADDR_T_64BIT

	def_bool X86_64 || HIGHMEM64G

	def_bool y

	depends on X86_64 || HIGHMEM64G



config DIRECT_GBPAGES

	bool "Enable 1GB pages for kernel pagetables" if EXPERT
@@ -1285,8 +1296,8 @@ config ARCH_SELECT_MEMORY_MODEL 
	depends on ARCH_SPARSEMEM_ENABLE



config ARCH_MEMORY_PROBE

	def_bool X86_64

	depends on MEMORY_HOTPLUG

	def_bool y

	depends on X86_64 && MEMORY_HOTPLUG



config ARCH_PROC_KCORE_TEXT

	def_bool y
@@ -1975,7 +1986,6 @@ config PCI_MMCONFIG 


config PCI_CNB20LE_QUIRK

	bool "Read CNB20LE Host Bridge Windows" if EXPERT

	default n

	depends on PCI && EXPERIMENTAL

	help

	  Read the PCI windows out of the CNB20LE host bridge. This allows
@@ -2186,18 +2196,18 @@ config COMPAT 
	depends on IA32_EMULATION || X86_X32

	select ARCH_WANT_OLD_COMPAT_IPC



if COMPAT

config COMPAT_FOR_U64_ALIGNMENT

	def_bool COMPAT

	depends on X86_64

	def_bool y



config SYSVIPC_COMPAT

	def_bool y

	depends on COMPAT && SYSVIPC

	depends on SYSVIPC



config KEYS_COMPAT

	bool

	depends on COMPAT && KEYS

	default y

	def_bool y

	depends on KEYS

endif



endmenu

arch/x86/Kconfig.cpu

+3 −2
Original line number Diff line number Diff line
@@ -306,7 +306,8 @@ config X86_INTERNODE_CACHE_SHIFT 
	default X86_L1_CACHE_SHIFT



config X86_CMPXCHG

	def_bool X86_64 || (X86_32 && !M386)

	def_bool y

	depends on X86_64 || (X86_32 && !M386)



config X86_L1_CACHE_SHIFT

	int
@@ -317,7 +318,7 @@ config X86_L1_CACHE_SHIFT 


config X86_XADD

	def_bool y

	depends on X86_64 || !M386

	depends on !M386



config X86_PPRO_FENCE

	bool "PentiumPro memory ordering errata workaround"