diff options
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 98 |
1 files changed, 71 insertions, 27 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 1a31254ceb8..1d14cc6b79a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -60,13 +60,15 @@ config X86 select PERF_EVENTS select HAVE_PERF_EVENTS_NMI select ANON_INODES + select HAVE_ALIGNED_STRUCT_PAGE if SLUB && !M386 + select HAVE_CMPXCHG_LOCAL if !M386 + select HAVE_CMPXCHG_DOUBLE select HAVE_ARCH_KMEMCHECK select HAVE_USER_RETURN_NOTIFIER select ARCH_BINFMT_ELF_RANDOMIZE_PIE select HAVE_ARCH_JUMP_LABEL select HAVE_TEXT_POKE_SMP select HAVE_GENERIC_HARDIRQS - select HAVE_SPARSE_IRQ select SPARSE_IRQ select GENERIC_FIND_FIRST_BIT select GENERIC_IRQ_PROBE @@ -79,6 +81,7 @@ config X86 select CLKEVT_I8253 select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_IOMAP + select DCACHE_WORD_ACCESS if !DEBUG_PAGEALLOC config INSTRUCTION_DECODER def_bool (KPROBES || PERF_EVENTS) @@ -122,16 +125,6 @@ config HAVE_LATENCYTOP_SUPPORT config MMU def_bool y -config ZONE_DMA - bool "DMA memory allocation support" if EXPERT - default y - help - DMA memory allocation support allows devices with less than 32-bit - addressing to allocate within the first 16MB of address space. - Disable if no such devices will be used. - - If unsure, say Y. - config SBUS bool @@ -186,6 +179,9 @@ config ARCH_HAS_DEFAULT_IDLE config ARCH_HAS_CACHE_LINE_SIZE def_bool y +config ARCH_HAS_CPU_AUTOPROBE + def_bool y + config HAVE_SETUP_PER_CPU_AREA def_bool y @@ -252,6 +248,16 @@ source "kernel/Kconfig.freezer" menu "Processor type and features" +config ZONE_DMA + bool "DMA memory allocation support" if EXPERT + default y + help + DMA memory allocation support allows devices with less than 32-bit + addressing to allocate within the first 16MB of address space. + Disable if no such devices will be used. + + If unsure, say Y. + source "kernel/time/Kconfig" config SMP @@ -357,7 +363,6 @@ config X86_NUMACHIP depends on NUMA depends on SMP depends on X86_X2APIC - depends on !EDAC_AMD64 ---help--- Adds support for Numascale NumaChip large-SMP systems. Needed to enable more than ~168 cores. @@ -396,6 +401,7 @@ config X86_INTEL_CE select X86_REBOOTFIXUPS select OF select OF_EARLY_FLATTREE + select IRQ_DOMAIN ---help--- Select for the Intel CE media processor (CE4100) SOC. This option compiles in support for the CE4100 SOC for settop @@ -415,23 +421,25 @@ if X86_WANT_INTEL_MID config X86_INTEL_MID bool -config X86_MRST - bool "Moorestown MID platform" +config X86_MDFLD + bool "Medfield MID platform" depends on PCI depends on PCI_GOANY depends on X86_IO_APIC + select X86_INTEL_MID + select SFI + select DW_APB_TIMER select APB_TIMER select I2C select SPI select INTEL_SCU_IPC select X86_PLATFORM_DEVICES - select X86_INTEL_MID + select MFD_INTEL_MSIC ---help--- - Moorestown is Intel's Low Power Intel Architecture (LPIA) based Moblin - Internet Device(MID) platform. Moorestown consists of two chips: - Lincroft (CPU core, graphics, and memory controller) and Langwell IOH. - Unlike standard x86 PCs, Moorestown does not have many legacy devices - nor standard legacy replacement devices/features. e.g. Moorestown does + Medfield is Intel's Low Power Intel Architecture (LPIA) based Moblin + Internet Device(MID) platform. + Unlike standard x86 PCs, Medfield does not have many legacy devices + nor standard legacy replacement devices/features. e.g. Medfield does not contain i8259, i8254, HPET, legacy BIOS, most of the io ports. endif @@ -631,7 +639,7 @@ config X86_SUMMIT_NUMA config X86_CYCLONE_TIMER def_bool y - depends on X86_32_NON_STANDARD + depends on X86_SUMMIT source "arch/x86/Kconfig.cpu" @@ -659,9 +667,10 @@ config HPET_EMULATE_RTC depends on HPET_TIMER && (RTC=y || RTC=m || RTC_DRV_CMOS=m || RTC_DRV_CMOS=y) config APB_TIMER - def_bool y if MRST - prompt "Langwell APB Timer Support" if X86_MRST + def_bool y if X86_INTEL_MID + prompt "Intel MID APB Timer Support" if X86_INTEL_MID select DW_APB_TIMER + depends on X86_INTEL_MID && SFI help APB timer is the replacement for 8254, HPET on X86 MID platforms. The APBT provides a stable time base on SMP @@ -1489,6 +1498,13 @@ config EFI resultant kernel should continue to boot on existing non-EFI platforms. +config EFI_STUB + bool "EFI stub support" + depends on EFI + ---help--- + This kernel feature allows a bzImage to be loaded directly + by EFI firmware without the use of a bootloader. + config SECCOMP def_bool y prompt "Enable seccomp to safely compute untrusted bytecode" @@ -2044,6 +2060,7 @@ config OLPC select GPIOLIB select OF select OF_PROMTREE + select IRQ_DOMAIN ---help--- Add support for detecting the unique features of the OLPC XO hardware. @@ -2101,6 +2118,19 @@ config ALIX Note: You have to set alix.force=1 for boards with Award BIOS. +config NET5501 + bool "Soekris Engineering net5501 System Support (LEDS, GPIO, etc)" + select GPIOLIB + ---help--- + This option enables system support for the Soekris Engineering net5501. + +config GEOS + bool "Traverse Technologies GEOS System Support (LEDS, GPIO, etc)" + select GPIOLIB + depends on DMI + ---help--- + This option enables system support for the Traverse Technologies GEOS. + endif # X86_32 config AMD_NB @@ -2133,9 +2163,9 @@ config IA32_EMULATION depends on X86_64 select COMPAT_BINFMT_ELF ---help--- - Include code to run 32-bit programs under a 64-bit kernel. You should - likely turn this on, unless you're 100% sure that you don't have any - 32-bit programs left. + Include code to run legacy 32-bit programs under a + 64-bit kernel. You should likely turn this on, unless you're + 100% sure that you don't have any 32-bit programs left. config IA32_AOUT tristate "IA32 a.out support" @@ -2143,9 +2173,23 @@ config IA32_AOUT ---help--- Support old a.out binaries in the 32bit emulation. +config X86_X32 + bool "x32 ABI for 64-bit mode (EXPERIMENTAL)" + depends on X86_64 && IA32_EMULATION && EXPERIMENTAL + ---help--- + Include code to run binaries for the x32 native 32-bit ABI + for 64-bit processors. An x32 process gets access to the + full 64-bit register file and wide data path while leaving + pointers at 32 bits for smaller memory footprint. + + You will need a recent binutils (2.22 or later) with + elf32_x86_64 support enabled to compile a kernel with this + option set. + config COMPAT def_bool y - depends on IA32_EMULATION + depends on IA32_EMULATION || X86_X32 + select ARCH_WANT_OLD_COMPAT_IPC config COMPAT_FOR_U64_ALIGNMENT def_bool COMPAT |