diff options
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 65 |
1 files changed, 27 insertions, 38 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 62fc3fda1a05..2bbbd4d1ba31 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -14,6 +14,7 @@ config X86_32 select ARCH_WANT_IPC_PARSE_VERSION select CLKSRC_I8253 select CLONE_BACKWARDS + select HAVE_DEBUG_STACKOVERFLOW select MODULES_USE_ELF_REL select OLD_SIGACTION @@ -21,16 +22,26 @@ config X86_64 def_bool y depends on 64BIT # Options that are inherently 64-bit kernel only: - select ARCH_HAS_GIGANTIC_PAGE if (MEMORY_ISOLATION && COMPACTION) || CMA + select ARCH_HAS_GIGANTIC_PAGE select ARCH_SUPPORTS_INT128 select ARCH_USE_CMPXCHG_LOCKREF select HAVE_ARCH_SOFT_DIRTY select MODULES_USE_ELF_RELA select NEED_DMA_MAP_STATE select SWIOTLB - select X86_DEV_DMA_OPS select ARCH_HAS_SYSCALL_WRAPPER +config FORCE_DYNAMIC_FTRACE + def_bool y + depends on X86_32 + depends on FUNCTION_TRACER + select DYNAMIC_FTRACE + help + We keep the static function tracing (!DYNAMIC_FTRACE) around + in order to test the non static function tracing in the + generic code, as other architectures still use it. But we + only need to keep it around for x86_64. No need to keep it + for x86_32. For x86_32, force DYNAMIC_FTRACE. # # Arch settings # @@ -44,11 +55,9 @@ config X86 # select ACPI_LEGACY_TABLES_LOOKUP if ACPI select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI - select ANON_INODES select ARCH_32BIT_OFF_T if X86_32 select ARCH_CLOCKSOURCE_DATA select ARCH_CLOCKSOURCE_INIT - select ARCH_DISCARD_MEMBLOCK select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI select ARCH_HAS_DEBUG_VIRTUAL select ARCH_HAS_DEVMEM_IS_ALLOWED @@ -65,6 +74,7 @@ config X86 select ARCH_HAS_UACCESS_FLUSHCACHE if X86_64 select ARCH_HAS_UACCESS_MCSAFE if X86_64 && X86_MCE select ARCH_HAS_SET_MEMORY + select ARCH_HAS_SET_DIRECT_MAP select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_SYNC_CORE_BEFORE_USERMODE @@ -74,6 +84,7 @@ config X86 select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO + select ARCH_STACKWALK select ARCH_SUPPORTS_ACPI select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_SUPPORTS_NUMA_BALANCING if X86_64 @@ -138,7 +149,6 @@ config X86 select HAVE_COPY_THREAD_TLS select HAVE_C_RECORDMCOUNT select HAVE_DEBUG_KMEMLEAK - select HAVE_DEBUG_STACKOVERFLOW select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE select HAVE_DYNAMIC_FTRACE_WITH_REGS @@ -183,7 +193,6 @@ config X86 select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP select HAVE_RCU_TABLE_FREE if PARAVIRT - select HAVE_RCU_TABLE_INVALIDATE if HAVE_RCU_TABLE_FREE select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RELIABLE_STACKTRACE if X86_64 && (UNWINDER_FRAME_POINTER || UNWINDER_ORC) && STACK_VALIDATION select HAVE_FUNCTION_ARG_ACCESS_API @@ -261,16 +270,10 @@ config GENERIC_BUG config GENERIC_BUG_RELATIVE_POINTERS bool -config GENERIC_HWEIGHT - def_bool y - config ARCH_MAY_HAVE_PC_FDC def_bool y depends on ISA_DMA_API -config RWSEM_XCHGADD_ALGORITHM - def_bool y - config GENERIC_CALIBRATE_DELAY def_bool y @@ -310,9 +313,6 @@ config ZONE_DMA32 config AUDIT_ARCH def_bool y if X86_64 -config ARCH_SUPPORTS_OPTIMIZED_INLINING - def_bool y - config ARCH_SUPPORTS_DEBUG_PAGEALLOC def_bool y @@ -703,8 +703,6 @@ config STA2X11 bool "STA2X11 Companion Chip Support" depends on X86_32_NON_STANDARD && PCI select ARCH_HAS_PHYS_TO_DMA - select X86_DEV_DMA_OPS - select X86_DMA_REMAP select SWIOTLB select MFD_STA2X11 select GPIOLIB @@ -783,14 +781,6 @@ config PARAVIRT_SPINLOCKS If you are unsure how to answer this question, answer Y. -config QUEUED_LOCK_STAT - bool "Paravirt queued spinlock statistics" - depends on PARAVIRT_SPINLOCKS && DEBUG_FS - ---help--- - Enable the collection of statistical data on the slowpath - behavior of paravirtualized queued spinlocks and report - them on debugfs. - source "arch/x86/xen/Kconfig" config KVM_GUEST @@ -1330,8 +1320,16 @@ config MICROCODE_AMD processors will be enabled. config MICROCODE_OLD_INTERFACE - def_bool y + bool "Ancient loading interface (DEPRECATED)" + default n depends on MICROCODE + ---help--- + DO NOT USE THIS! This is the ancient /dev/cpu/microcode interface + which was used by userspace tools like iucode_tool and microcode.ctl. + It is inadequate because it runs too late to be able to properly + load microcode on a machine and it needs special tools. Instead, you + should've switched to the early loading method with the initrd or + builtin microcode by now: Documentation/x86/microcode.txt config X86_MSR tristate "/dev/cpu/*/msr - Model-specific register support" @@ -1606,12 +1604,9 @@ config ARCH_FLATMEM_ENABLE depends on X86_32 && !NUMA config ARCH_DISCONTIGMEM_ENABLE - def_bool y - depends on NUMA && X86_32 - -config ARCH_DISCONTIGMEM_DEFAULT - def_bool y + def_bool n depends on NUMA && X86_32 + depends on BROKEN config ARCH_SPARSEMEM_ENABLE def_bool y @@ -1620,8 +1615,7 @@ config ARCH_SPARSEMEM_ENABLE select SPARSEMEM_VMEMMAP_ENABLE if X86_64 config ARCH_SPARSEMEM_DEFAULT - def_bool y - depends on X86_64 + def_bool X86_64 || (NUMA && X86_32) config ARCH_SELECT_MEMORY_MODEL def_bool y @@ -2878,11 +2872,6 @@ config HAVE_ATOMIC_IOMAP config X86_DEV_DMA_OPS bool - depends on X86_64 || STA2X11 - -config X86_DMA_REMAP - bool - depends on STA2X11 config HAVE_GENERIC_GUP def_bool y |