diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 775 |
1 files changed, 204 insertions, 571 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index ba75e3661a41..0af6709570d1 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -3,77 +3,96 @@ config ARM bool default y select ARCH_32BIT_OFF_T - select ARCH_CLOCKSOURCE_DATA + select ARCH_CORRECT_STACKTRACE_ON_KRETPROBE if HAVE_KRETPROBES && FRAME_POINTER && !ARM_UNWIND select ARCH_HAS_BINFMT_FLAT + select ARCH_HAS_CPU_FINALIZE_INIT if MMU + select ARCH_HAS_CURRENT_STACK_POINTER select ARCH_HAS_DEBUG_VIRTUAL if MMU - select ARCH_HAS_DEVMEM_IS_ALLOWED + select ARCH_HAS_DMA_ALLOC if MMU select ARCH_HAS_DMA_WRITE_COMBINE if !ARM_DMA_MEM_BUFFERABLE select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_KEEPINITRD select ARCH_HAS_KCOV select ARCH_HAS_MEMBARRIER_SYNC_CORE + select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE select ARCH_HAS_PTE_SPECIAL if ARM_LPAE - select ARCH_HAS_PHYS_TO_DMA select ARCH_HAS_SETUP_DMA_OPS select ARCH_HAS_SET_MEMORY + select ARCH_STACKWALK select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL select ARCH_HAS_STRICT_MODULE_RWX if MMU - select ARCH_HAS_SYNC_DMA_FOR_DEVICE if SWIOTLB - select ARCH_HAS_SYNC_DMA_FOR_CPU if SWIOTLB + select ARCH_HAS_SYNC_DMA_FOR_DEVICE + select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_TEARDOWN_DMA_OPS if MMU select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST - select ARCH_HAVE_CUSTOM_GPIO_H + select ARCH_HAVE_NMI_SAFE_CMPXCHG if CPU_V7 || CPU_V7M || CPU_V6K select ARCH_HAS_GCOV_PROFILE_ALL - select ARCH_KEEP_MEMBLOCK if HAVE_ARCH_PFN_VALID || KEXEC + select ARCH_KEEP_MEMBLOCK + select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_MIGHT_HAVE_PC_PARPORT - select ARCH_NO_SG_CHAIN if !ARM_HAS_SG_CHAIN select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT if CPU_V7 select ARCH_SUPPORTS_ATOMIC_RMW + select ARCH_SUPPORTS_HUGETLBFS if ARM_LPAE + select ARCH_SUPPORTS_PER_VMA_LOCK select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF + select ARCH_USE_MEMTEST select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU + select ARCH_WANT_GENERAL_HUGETLB select ARCH_WANT_IPC_PARSE_VERSION + select ARCH_WANT_LD_ORPHAN_WARN select BINFMT_FLAT_ARGVP_ENVP_ON_STACK - select BUILDTIME_EXTABLE_SORT if MMU + select BUILDTIME_TABLE_SORT if MMU + select COMMON_CLK if !(ARCH_RPC || ARCH_FOOTBRIDGE) select CLONE_BACKWARDS select CPU_PM if SUSPEND || CPU_IDLE select DCACHE_WORD_ACCESS if HAVE_EFFICIENT_UNALIGNED_ACCESS select DMA_DECLARE_COHERENT - select DMA_REMAP if MMU + select DMA_GLOBAL_POOL if !MMU + select DMA_OPS + select DMA_NONCOHERENT_MMAP if MMU select EDAC_SUPPORT select EDAC_ATOMIC_SCRUB select GENERIC_ALLOCATOR select GENERIC_ARCH_TOPOLOGY if ARM_CPU_TOPOLOGY select GENERIC_ATOMIC64 if CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI select GENERIC_CLOCKEVENTS_BROADCAST if SMP + select GENERIC_IRQ_IPI if SMP select GENERIC_CPU_AUTOPROBE select GENERIC_EARLY_IOREMAP select GENERIC_IDLE_POLL_SETUP + select GENERIC_IRQ_MULTI_HANDLER select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW select GENERIC_IRQ_SHOW_LEVEL + select GENERIC_LIB_DEVMEM_IS_ALLOWED select GENERIC_PCI_IOMAP select GENERIC_SCHED_CLOCK select GENERIC_SMP_IDLE_THREAD - select GENERIC_STRNCPY_FROM_USER - select GENERIC_STRNLEN_USER - select HANDLE_DOMAIN_IRQ select HARDIRQS_SW_RESEND + select HAS_IOPORT select HAVE_ARCH_AUDITSYSCALL if AEABI && !OABI_COMPAT select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6 select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU + select HAVE_ARCH_KFENCE if MMU && !XIP_KERNEL select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU + select HAVE_ARCH_KASAN if MMU && !XIP_KERNEL + select HAVE_ARCH_KASAN_VMALLOC if HAVE_ARCH_KASAN select HAVE_ARCH_MMAP_RND_BITS if MMU + select HAVE_ARCH_PFN_VALID + select HAVE_ARCH_SECCOMP select HAVE_ARCH_SECCOMP_FILTER if AEABI && !OABI_COMPAT select HAVE_ARCH_THREAD_STRUCT_WHITELIST select HAVE_ARCH_TRACEHOOK + select HAVE_ARCH_TRANSPARENT_HUGEPAGE if ARM_LPAE select HAVE_ARM_SMCCC if CPU_V7 select HAVE_EBPF_JIT if !CPU_ENDIAN_BE32 - select HAVE_CONTEXT_TRACKING + select HAVE_CONTEXT_TRACKING_USER select HAVE_C_RECORDMCOUNT - select HAVE_DEBUG_KMEMLEAK + select HAVE_BUILDTIME_MCOUNT_SORT + select HAVE_DEBUG_KMEMLEAK if !XIP_KERNEL select HAVE_DMA_CONTIGUOUS if MMU select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE @@ -81,11 +100,11 @@ config ARM select HAVE_EXIT_THREAD select HAVE_FAST_GUP if ARM_LPAE select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL - select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG - select HAVE_FUNCTION_TRACER if !XIP_KERNEL && (CC_IS_GCC || CLANG_VERSION >= 100000) + select HAVE_FUNCTION_ERROR_INJECTION + select HAVE_FUNCTION_GRAPH_TRACER + select HAVE_FUNCTION_TRACER if !XIP_KERNEL select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7) - select HAVE_IDE if PCI || ISA || PCMCIA select HAVE_IRQ_TIME_ACCOUNTING select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZ4 @@ -96,28 +115,37 @@ config ARM select HAVE_KRETPROBES if HAVE_KPROBES select HAVE_MOD_ARCH_SPECIFIC select HAVE_NMI - select HAVE_OPROFILE if HAVE_PERF_EVENTS select HAVE_OPTPROBES if !THUMB2_KERNEL + select HAVE_PCI if MMU select HAVE_PERF_EVENTS select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP - select HAVE_RCU_TABLE_FREE if SMP && ARM_LPAE + select MMU_GATHER_RCU_TABLE_FREE if SMP && ARM_LPAE select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RSEQ select HAVE_STACKPROTECTOR select HAVE_SYSCALL_TRACEPOINTS select HAVE_UID16 select HAVE_VIRT_CPU_ACCOUNTING_GEN + select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU select IRQ_FORCED_THREADING + select LOCK_MM_AND_FIND_VMA select MODULES_USE_ELF_REL select NEED_DMA_MAP_STATE select OF_EARLY_FLATTREE if OF select OLD_SIGACTION select OLD_SIGSUSPEND3 + select PCI_DOMAINS_GENERIC if PCI select PCI_SYSCALL if PCI select PERF_USE_VMALLOC select RTC_LIB + select SPARSE_IRQ if !(ARCH_FOOTBRIDGE || ARCH_RPC) select SYS_SUPPORTS_APM_EMULATION + select THREAD_INFO_IN_TASK + select TIMER_OF if OF + select HAVE_ARCH_VMAP_STACK if MMU && ARM_HAS_GROUP_RELOCS + select TRACE_IRQFLAGS_SUPPORT if !CPU_V7M + select USE_OF if !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) # Above selects are sorted alphabetically; please add new ones # according to that. Thanks. help @@ -128,12 +156,19 @@ config ARM Europe. There is an ARM Linux project with a web page at <http://www.arm.linux.org.uk/>. -config ARM_HAS_SG_CHAIN - bool +config ARM_HAS_GROUP_RELOCS + def_bool y + depends on !LD_IS_LLD || LLD_VERSION >= 140000 + depends on !COMPILE_TEST + help + Whether or not to use R_ARM_ALU_PC_Gn or R_ARM_LDR_PC_Gn group + relocations, which have been around for a long time, but were not + supported in LLD until version 14. The combined range is -/+ 256 MiB, + which is usually sufficient, but not for allyesconfig, so we disable + this feature when doing compile testing. config ARM_DMA_USE_IOMMU bool - select ARM_HAS_SG_CHAIN select NEED_SG_DMA_LENGTH if ARM_DMA_USE_IOMMU @@ -181,10 +216,6 @@ config LOCKDEP_SUPPORT bool default y -config TRACE_IRQFLAGS_SUPPORT - bool - default !CPU_V7M - config ARCH_HAS_ILOG2_U32 bool @@ -208,38 +239,29 @@ config GENERIC_CALIBRATE_DELAY config ARCH_MAY_HAVE_PC_FDC bool -config ZONE_DMA - bool - config ARCH_SUPPORTS_UPROBES def_bool y -config ARCH_HAS_DMA_SET_COHERENT_MASK - bool - config GENERIC_ISA_DMA bool config FIQ bool -config NEED_RET_TO_USER - bool - config ARCH_MTD_XIP bool config ARM_PATCH_PHYS_VIRT - bool "Patch physical to virtual translations at runtime" if EMBEDDED + bool "Patch physical to virtual translations at runtime" if !ARCH_MULTIPLATFORM default y - depends on !XIP_KERNEL && MMU + depends on MMU help Patch phys-to-virt and virt-to-phys translation functions at boot and module load time according to the position of the kernel in system memory. This can only be used with non-XIP MMU kernels where the base - of physical memory is at a 16MB boundary. + of physical memory is at a 2 MiB boundary. Only disable this option if you know that you do not require this feature (eg, building a kernel for a single machine) and @@ -261,15 +283,13 @@ config NEED_MACH_MEMORY_H config PHYS_OFFSET hex "Physical address of main memory" if MMU - depends on !ARM_PATCH_PHYS_VIRT + depends on !ARM_PATCH_PHYS_VIRT || !AUTO_ZRELADDR default DRAM_BASE if !MMU - default 0x00000000 if ARCH_EBSA110 || \ - ARCH_FOOTBRIDGE || \ - ARCH_INTEGRATOR || \ - ARCH_REALVIEW + default 0x00000000 if ARCH_FOOTBRIDGE default 0x10000000 if ARCH_OMAP1 || ARCH_RPC - default 0x20000000 if ARCH_S5PV210 - default 0xc0000000 if ARCH_SA1100 + default 0xa0000000 if ARCH_PXA + default 0xc0000000 if ARCH_EP93XX || ARCH_SA1100 + default 0 help Please provide the physical address corresponding to the location of main memory in your system. @@ -292,6 +312,12 @@ config MMU Select if you want MMU-based virtualised addressing space support by paged memory management. If unsure, say 'Y'. +config ARM_SINGLE_ARMV7M + def_bool !MMU + select ARM_NVIC + select CPU_V7M + select NO_IOPORT_MAP + config ARCH_MMAP_RND_BITS_MIN default 8 @@ -300,302 +326,22 @@ config ARCH_MMAP_RND_BITS_MAX default 15 if PAGE_OFFSET=0x80000000 default 16 -# -# The "ARM system type" choice list is ordered alphabetically by option -# text. Please add new entries in the option alphabetic order. -# -choice - prompt "ARM system type" - default ARM_SINGLE_ARMV7M if !MMU - default ARCH_MULTIPLATFORM if MMU - config ARCH_MULTIPLATFORM - bool "Allow multiple platforms to be selected" - depends on MMU - select ARM_HAS_SG_CHAIN - select ARM_PATCH_PHYS_VIRT - select AUTO_ZRELADDR - select TIMER_OF - select COMMON_CLK - select GENERIC_CLOCKEVENTS - select GENERIC_IRQ_MULTI_HANDLER - select HAVE_PCI - select PCI_DOMAINS_GENERIC if PCI - select SPARSE_IRQ - select USE_OF - -config ARM_SINGLE_ARMV7M - bool "ARMv7-M based platforms (Cortex-M0/M3/M4)" - depends on !MMU - select ARM_NVIC - select AUTO_ZRELADDR - select TIMER_OF - select COMMON_CLK - select CPU_V7M - select GENERIC_CLOCKEVENTS - select NO_IOPORT_MAP - select SPARSE_IRQ - select USE_OF - -config ARCH_EBSA110 - bool "EBSA-110" - select ARCH_USES_GETTIMEOFFSET - select CPU_SA110 - select ISA - select NEED_MACH_IO_H - select NEED_MACH_MEMORY_H - select NO_IOPORT_MAP - help - This is an evaluation board for the StrongARM processor available - from Digital. It has limited hardware on-board, including an - Ethernet interface, two PCMCIA sockets, two serial ports and a - parallel port. - -config ARCH_EP93XX - bool "EP93xx-based" - select ARCH_SPARSEMEM_ENABLE - select ARM_AMBA - imply ARM_PATCH_PHYS_VIRT - select ARM_VIC - select AUTO_ZRELADDR - select CLKDEV_LOOKUP - select CLKSRC_MMIO - select CPU_ARM920T - select GENERIC_CLOCKEVENTS - select GPIOLIB - help - This enables support for the Cirrus EP93xx series of CPUs. - -config ARCH_FOOTBRIDGE - bool "FootBridge" - select CPU_SA110 - select FOOTBRIDGE - select GENERIC_CLOCKEVENTS - select HAVE_IDE - select NEED_MACH_IO_H if !MMU - select NEED_MACH_MEMORY_H - help - Support for systems based on the DC21285 companion chip - ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. - -config ARCH_IOP32X - bool "IOP32x-based" - depends on MMU - select CPU_XSCALE - select GPIO_IOP - select GPIOLIB - select NEED_RET_TO_USER - select FORCE_PCI - select PLAT_IOP - help - Support for Intel's 80219 and IOP32X (XScale) family of - processors. - -config ARCH_IXP4XX - bool "IXP4xx-based" - depends on MMU - select ARCH_HAS_DMA_SET_COHERENT_MASK - select ARCH_SUPPORTS_BIG_ENDIAN - select CPU_XSCALE - select DMABOUNCE if PCI - select GENERIC_CLOCKEVENTS - select GENERIC_IRQ_MULTI_HANDLER - select GPIO_IXP4XX - select GPIOLIB - select HAVE_PCI - select IXP4XX_IRQ - select IXP4XX_TIMER - select NEED_MACH_IO_H - select USB_EHCI_BIG_ENDIAN_DESC - select USB_EHCI_BIG_ENDIAN_MMIO - help - Support for Intel's IXP4XX (XScale) family of processors. - -config ARCH_DOVE - bool "Marvell Dove" - select CPU_PJ4 - select GENERIC_CLOCKEVENTS - select GENERIC_IRQ_MULTI_HANDLER - select GPIOLIB - select HAVE_PCI - select MVEBU_MBUS - select PINCTRL - select PINCTRL_DOVE - select PLAT_ORION_LEGACY - select SPARSE_IRQ - select PM_GENERIC_DOMAINS if PM - help - Support for the Marvell Dove SoC 88AP510 - -config ARCH_PXA - bool "PXA2xx/PXA3xx-based" - depends on MMU - select ARCH_MTD_XIP - select ARM_CPU_SUSPEND if PM - select AUTO_ZRELADDR - select COMMON_CLK - select CLKDEV_LOOKUP - select CLKSRC_PXA - select CLKSRC_MMIO - select TIMER_OF - select CPU_XSCALE if !CPU_XSC3 - select GENERIC_CLOCKEVENTS - select GENERIC_IRQ_MULTI_HANDLER - select GPIO_PXA - select GPIOLIB - select HAVE_IDE - select IRQ_DOMAIN - select PLAT_PXA - select SPARSE_IRQ - help - Support for Intel/Marvell's PXA2xx/PXA3xx processor line. - -config ARCH_RPC - bool "RiscPC" - depends on MMU - select ARCH_ACORN - select ARCH_MAY_HAVE_PC_FDC - select ARCH_SPARSEMEM_ENABLE - select ARM_HAS_SG_CHAIN - select CPU_SA110 - select FIQ - select HAVE_IDE - select HAVE_PATA_PLATFORM - select ISA_DMA_API - select NEED_MACH_IO_H - select NEED_MACH_MEMORY_H - select NO_IOPORT_MAP - help - On the Acorn Risc-PC, Linux can support the internal IDE disk and - CD-ROM interface, serial and parallel port, and the floppy drive. - -config ARCH_SA1100 - bool "SA1100-based" - select ARCH_MTD_XIP - select ARCH_SPARSEMEM_ENABLE - select CLKDEV_LOOKUP - select CLKSRC_MMIO - select CLKSRC_PXA - select TIMER_OF if OF - select COMMON_CLK - select CPU_FREQ - select CPU_SA1100 - select GENERIC_CLOCKEVENTS - select GENERIC_IRQ_MULTI_HANDLER - select GPIOLIB - select HAVE_IDE - select IRQ_DOMAIN - select ISA - select NEED_MACH_MEMORY_H - select SPARSE_IRQ - help - Support for StrongARM 11x0 based boards. - -config ARCH_S3C24XX - bool "Samsung S3C24XX SoCs" - select ATAGS - select CLKDEV_LOOKUP - select CLKSRC_SAMSUNG_PWM - select GENERIC_CLOCKEVENTS - select GPIO_SAMSUNG - select GPIOLIB - select GENERIC_IRQ_MULTI_HANDLER - select HAVE_S3C2410_I2C if I2C - select HAVE_S3C2410_WATCHDOG if WATCHDOG - select HAVE_S3C_RTC if RTC_CLASS - select NEED_MACH_IO_H - select SAMSUNG_ATAGS - select USE_OF - help - Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443 - and S3C2450 SoCs based systems, such as the Simtec Electronics BAST - (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the - Samsung SMDK2410 development board (and derivatives). - -config ARCH_OMAP1 - bool "TI OMAP1" - depends on MMU - select ARCH_HAS_HOLES_MEMORYMODEL - select ARCH_OMAP - select CLKDEV_LOOKUP - select CLKSRC_MMIO - select GENERIC_CLOCKEVENTS - select GENERIC_IRQ_CHIP - select GENERIC_IRQ_MULTI_HANDLER - select GPIOLIB - select HAVE_IDE - select IRQ_DOMAIN - select NEED_MACH_IO_H if PCCARD - select NEED_MACH_MEMORY_H - select SPARSE_IRQ - help - Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx) - -endchoice - -menu "Multiple platform selection" - depends on ARCH_MULTIPLATFORM - -comment "CPU Core family selection" - -config ARCH_MULTI_V4 - bool "ARMv4 based platforms (FA526)" - depends on !ARCH_MULTI_V6_V7 - select ARCH_MULTI_V4_V5 - select CPU_FA526 - -config ARCH_MULTI_V4T - bool "ARMv4T based platforms (ARM720T, ARM920T, ...)" - depends on !ARCH_MULTI_V6_V7 - select ARCH_MULTI_V4_V5 - select CPU_ARM920T if !(CPU_ARM7TDMI || CPU_ARM720T || \ - CPU_ARM740T || CPU_ARM9TDMI || CPU_ARM922T || \ - CPU_ARM925T || CPU_ARM940T) - -config ARCH_MULTI_V5 - bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)" - depends on !ARCH_MULTI_V6_V7 - select ARCH_MULTI_V4_V5 - select CPU_ARM926T if !(CPU_ARM946E || CPU_ARM1020 || \ - CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \ - CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_FEROCEON) - -config ARCH_MULTI_V4_V5 - bool - -config ARCH_MULTI_V6 - bool "ARMv6 based platforms (ARM11)" - select ARCH_MULTI_V6_V7 - select CPU_V6K - -config ARCH_MULTI_V7 - bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)" + bool "Require kernel to be portable to multiple machines" if EXPERT + depends on MMU && !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) default y - select ARCH_MULTI_V6_V7 - select CPU_V7 - select HAVE_SMP - -config ARCH_MULTI_V6_V7 - bool - select MIGHT_HAVE_CACHE_L2X0 + help + In general, all Arm machines can be supported in a single + kernel image, covering either Armv4/v5 or Armv6/v7. -config ARCH_MULTI_CPU_AUTO - def_bool !(ARCH_MULTI_V4 || ARCH_MULTI_V4T || ARCH_MULTI_V6_V7) - select ARCH_MULTI_V5 + However, some configuration options require hardcoding machine + specific physical addresses or enable errata workarounds that may + break other machines. -endmenu + Selecting N here allows using those options, including + DEBUG_UNCOMPRESS, XIP_KERNEL and ZBOOT_ROM. If unsure, say Y. -config ARCH_VIRT - bool "Dummy Virtual Machine" - depends on ARCH_MULTI_V7 - select ARM_AMBA - select ARM_GIC - select ARM_GIC_V2M if PCI - select ARM_GIC_V3 - select ARM_GIC_V3_ITS if PCI - select ARM_PSCI - select HAVE_ARM_ARCH_TIMER - select ARCH_SUPPORTS_BIG_ENDIAN +source "arch/arm/Kconfig.platforms" # # This is sorted alphabetically by mach-* pathname. However, plat-* @@ -608,8 +354,6 @@ source "arch/arm/mach-alpine/Kconfig" source "arch/arm/mach-artpec/Kconfig" -source "arch/arm/mach-asm9260/Kconfig" - source "arch/arm/mach-aspeed/Kconfig" source "arch/arm/mach-at91/Kconfig" @@ -622,8 +366,6 @@ source "arch/arm/mach-berlin/Kconfig" source "arch/arm/mach-clps711x/Kconfig" -source "arch/arm/mach-cns3xxx/Kconfig" - source "arch/arm/mach-davinci/Kconfig" source "arch/arm/mach-digicolor/Kconfig" @@ -633,7 +375,6 @@ source "arch/arm/mach-dove/Kconfig" source "arch/arm/mach-ep93xx/Kconfig" source "arch/arm/mach-exynos/Kconfig" -source "arch/arm/plat-samsung/Kconfig" source "arch/arm/mach-footbridge/Kconfig" @@ -643,11 +384,9 @@ source "arch/arm/mach-highbank/Kconfig" source "arch/arm/mach-hisi/Kconfig" -source "arch/arm/mach-imx/Kconfig" +source "arch/arm/mach-hpe/Kconfig" -source "arch/arm/mach-integrator/Kconfig" - -source "arch/arm/mach-iop32x/Kconfig" +source "arch/arm/mach-imx/Kconfig" source "arch/arm/mach-ixp4xx/Kconfig" @@ -663,7 +402,7 @@ source "arch/arm/mach-milbeaut/Kconfig" source "arch/arm/mach-mmp/Kconfig" -source "arch/arm/mach-moxart/Kconfig" +source "arch/arm/mach-mstar/Kconfig" source "arch/arm/mach-mv78xx0/Kconfig" @@ -675,36 +414,23 @@ source "arch/arm/mach-nomadik/Kconfig" source "arch/arm/mach-npcm/Kconfig" -source "arch/arm/mach-nspire/Kconfig" - -source "arch/arm/plat-omap/Kconfig" - source "arch/arm/mach-omap1/Kconfig" source "arch/arm/mach-omap2/Kconfig" source "arch/arm/mach-orion5x/Kconfig" -source "arch/arm/mach-oxnas/Kconfig" - -source "arch/arm/mach-picoxcell/Kconfig" - -source "arch/arm/mach-prima2/Kconfig" - source "arch/arm/mach-pxa/Kconfig" -source "arch/arm/plat-pxa/Kconfig" source "arch/arm/mach-qcom/Kconfig" -source "arch/arm/mach-rda/Kconfig" +source "arch/arm/mach-realtek/Kconfig" -source "arch/arm/mach-realview/Kconfig" +source "arch/arm/mach-rpc/Kconfig" source "arch/arm/mach-rockchip/Kconfig" -source "arch/arm/mach-s3c24xx/Kconfig" - -source "arch/arm/mach-s3c64xx/Kconfig" +source "arch/arm/mach-s3c/Kconfig" source "arch/arm/mach-s5pv210/Kconfig" @@ -722,36 +448,17 @@ source "arch/arm/mach-stm32/Kconfig" source "arch/arm/mach-sunxi/Kconfig" -source "arch/arm/mach-tango/Kconfig" - source "arch/arm/mach-tegra/Kconfig" -source "arch/arm/mach-u300/Kconfig" - -source "arch/arm/mach-uniphier/Kconfig" - source "arch/arm/mach-ux500/Kconfig" source "arch/arm/mach-versatile/Kconfig" -source "arch/arm/mach-vexpress/Kconfig" -source "arch/arm/plat-versatile/Kconfig" - source "arch/arm/mach-vt8500/Kconfig" -source "arch/arm/mach-zx/Kconfig" - source "arch/arm/mach-zynq/Kconfig" # ARMv7-M architecture -config ARCH_EFM32 - bool "Energy Micro efm32" - depends on ARM_SINGLE_ARMV7M - select GPIOLIB - help - Support for Energy Micro's (now Silicon Labs) efm32 Giant Gecko - processors. - config ARCH_LPC18XX bool "NXP LPC18xx/LPC43xx" depends on ARM_SINGLE_ARMV7M @@ -779,14 +486,9 @@ config ARCH_MPS2 config ARCH_ACORN bool -config PLAT_IOP - bool - select GENERIC_CLOCKEVENTS - config PLAT_ORION bool select CLKSRC_MMIO - select COMMON_CLK select GENERIC_IRQ_CHIP select IRQ_DOMAIN @@ -794,9 +496,6 @@ config PLAT_ORION_LEGACY bool select PLAT_ORION -config PLAT_PXA - bool - config PLAT_VERSATILE bool @@ -874,7 +573,9 @@ config ARM_ERRATA_458693 hazard might then cause a processor deadlock. The workaround enables the L1 caching of the NEON accesses and disables the PLD instruction in the ACTLR register. Note that setting specific bits in the ACTLR - register may not be available in non-secure mode. + register may not be available in non-secure mode and thus is not + available on a multiplatform kernel. This should be applied by the + bootloader instead. config ARM_ERRATA_460075 bool "ARM errata: Data written to the L2 cache can be overwritten with stale data" @@ -887,7 +588,9 @@ config ARM_ERRATA_460075 and overwritten with stale memory contents from external memory. The workaround disables the write-allocate mode for the L2 cache via the ACTLR register. Note that setting specific bits in the ACTLR register - may not be available in non-secure mode. + may not be available in non-secure mode and thus is not available on + a multiplatform kernel. This should be applied by the bootloader + instead. config ARM_ERRATA_742230 bool "ARM errata: DMB operation may be faulty" @@ -900,7 +603,10 @@ config ARM_ERRATA_742230 ordering of the two writes. This workaround sets a specific bit in the diagnostic register of the Cortex-A9 which causes the DMB instruction to behave as a DSB, ensuring the correct behaviour of - the two writes. + the two writes. Note that setting specific bits in the diagnostics + register may not be available in non-secure mode and thus is not + available on a multiplatform kernel. This should be applied by the + bootloader instead. config ARM_ERRATA_742231 bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption" @@ -915,7 +621,10 @@ config ARM_ERRATA_742231 replaced from one of the CPUs at the same time as another CPU is accessing it. This workaround sets specific bits in the diagnostic register of the Cortex-A9 which reduces the linefill issuing - capabilities of the processor. + capabilities of the processor. Note that setting specific bits in the + diagnostics register may not be available in non-secure mode and thus + is not available on a multiplatform kernel. This should be applied by + the bootloader instead. config ARM_ERRATA_643719 bool "ARM errata: LoUIS bit field in CLIDR register is incorrect" @@ -952,7 +661,9 @@ config ARM_ERRATA_743622 register of the Cortex-A9 which disables the Store Buffer optimisation, preventing the defect from occurring. This has no visible impact on the overall performance or power consumption of the - processor. + processor. Note that setting specific bits in the diagnostics register + may not be available in non-secure mode and thus is not available on a + multiplatform kernel. This should be applied by the bootloader instead. config ARM_ERRATA_751472 bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation" @@ -964,6 +675,10 @@ config ARM_ERRATA_751472 completion of a following broadcasted operation if the second operation is received by a CPU before the ICIALLUIS has completed, potentially leading to corrupted entries in the cache or TLB. + Note that setting specific bits in the diagnostics register may + not be available in non-secure mode and thus is not available on + a multiplatform kernel. This should be applied by the bootloader + instead. config ARM_ERRATA_754322 bool "ARM errata: possible faulty MMU translations following an ASID switch" @@ -1013,6 +728,17 @@ config ARM_ERRATA_764369 relevant cache maintenance functions and sets a specific bit in the diagnostic control register of the SCU. +config ARM_ERRATA_764319 + bool "ARM errata: Read to DBGPRSR and DBGOSLSR may generate Undefined instruction" + depends on CPU_V7 + help + This option enables the workaround for the 764319 Cortex A-9 erratum. + CP14 read accesses to the DBGPRSR and DBGOSLSR registers generate an + unexpected Undefined Instruction exception when the DBGSWENABLE + external pin is set to 0, even when the CP14 accesses are performed + from a privileged mode. This work around catches the exception in a + way the kernel does not stop execution. + config ARM_ERRATA_775420 bool "ARM errata: A data cache maintenance operation which aborts, might lead to deadlock" depends on CPU_V7 @@ -1129,27 +855,10 @@ config ISA (MCA) or VESA. ISA is an older system, now being displaced by PCI; newer boards don't support it. If you have ISA, say Y, otherwise N. -# Select ISA DMA controller support -config ISA_DMA - bool - select ISA_DMA_API - # Select ISA DMA interface config ISA_DMA_API bool -config PCI_NANOENGINE - bool "BSE nanoEngine PCI support" - depends on SA1100_NANOENGINE - help - Enable PCI on the BSE nanoEngine board. - -config PCI_HOST_ITE8152 - bool - depends on PCI && MACH_ARMCORE - default y - select DMABOUNCE - config ARM_ERRATA_814220 bool "ARM errata: Cache maintenance by set/way operations can execute out of order" depends on CPU_V7 @@ -1178,7 +887,6 @@ config HAVE_SMP config SMP bool "Symmetric Multi-Processing" depends on CPU_V6K || CPU_V7 - depends on GENERIC_CLOCKEVENTS depends on HAVE_SMP depends on MMU || ARM_MPU select IRQ_WORK @@ -1193,7 +901,7 @@ config SMP uniprocessor machines. On a uniprocessor machine, the kernel will run faster if you say N here. - See also <file:Documentation/x86/i386/IO-APIC.rst>, + See also <file:Documentation/arch/x86/i386/IO-APIC.rst>, <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO available at <http://tldp.org/HOWTO/SMP-HOWTO.html>. @@ -1201,7 +909,7 @@ config SMP config SMP_ON_UP bool "Allow booting SMP kernel on uniprocessor systems" - depends on SMP && !XIP_KERNEL && MMU + depends on SMP && MMU default y help SMP kernels contain instructions which fail on non-SMP processors. @@ -1211,6 +919,16 @@ config SMP_ON_UP If you don't know what to do here, say Y. + +config CURRENT_POINTER_IN_TPIDRURO + def_bool y + depends on CPU_32v6K && !CPU_V6 + +config IRQSTACKS + def_bool y + select HAVE_IRQ_EXIT_ON_IRQ_STACK + select HAVE_SOFTIRQ_ON_OWN_STACK + config ARM_CPU_TOPOLOGY bool "Support cpu topology definition" depends on SMP && CPU_V7 @@ -1245,7 +963,6 @@ config HAVE_ARM_ARCH_TIMER bool "Architected timer support" depends on CPU_V7 select ARM_ARCH_TIMER - select GENERIC_CLOCKEVENTS help This option enables support for the ARM architected timer @@ -1325,11 +1042,26 @@ config PAGE_OFFSET default 0xB0000000 if VMSPLIT_3G_OPT default 0xC0000000 +config KASAN_SHADOW_OFFSET + hex + depends on KASAN + default 0x1f000000 if PAGE_OFFSET=0x40000000 + default 0x5f000000 if PAGE_OFFSET=0x80000000 + default 0x9f000000 if PAGE_OFFSET=0xC0000000 + default 0x8f000000 if PAGE_OFFSET=0xB0000000 + default 0xffffffff + config NR_CPUS int "Maximum number of CPUs (2-32)" - range 2 32 + range 2 16 if DEBUG_KMAP_LOCAL + range 2 32 if !DEBUG_KMAP_LOCAL depends on SMP default "4" + help + The maximum number of CPUs that the kernel can support. + Up to 32 CPUs can be supported, or up to 16 if kmap_local() + debugging is enabled, which uses half of the per-CPU fixmap + slots as guard regions. config HOTPLUG_CPU bool "Support for hot-pluggable CPUs" @@ -1350,30 +1082,8 @@ config ARM_PSCI 0022A ("Power State Coordination Interface System Software on ARM processors"). -# The GPIO number here must be sorted by descending number. In case of -# a multiplatform kernel, we just want the highest value required by the -# selected platforms. -config ARCH_NR_GPIO - int - default 2048 if ARCH_SOCFPGA - default 1024 if ARCH_BRCMSTB || ARCH_RENESAS || ARCH_TEGRA || \ - ARCH_ZYNQ || ARCH_ASPEED - default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || \ - SOC_DRA7XX || ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 - default 416 if ARCH_SUNXI - default 392 if ARCH_U8500 - default 352 if ARCH_VT8500 - default 288 if ARCH_ROCKCHIP - default 264 if MACH_H4700 - default 0 - help - Maximum number of GPIOs in the system. - - If unsure, leave the default value. - config HZ_FIXED int - default 200 if ARCH_EBSA110 default 128 if SOC_AT91RM9200 default 0 @@ -1425,40 +1135,9 @@ config THUMB2_KERNEL If unsure, say N. -config THUMB2_AVOID_R_ARM_THM_JUMP11 - bool "Work around buggy Thumb-2 short branch relocations in gas" - depends on THUMB2_KERNEL && MODULES - default y - help - Various binutils versions can resolve Thumb-2 branches to - locally-defined, preemptible global symbols as short-range "b.n" - branch instructions. - - This is a problem, because there's no guarantee the final - destination of the symbol, or any candidate locations for a - trampoline, are within range of the branch. For this reason, the - kernel does not support fixing up the R_ARM_THM_JUMP11 (102) - relocation in modules at all, and it makes little sense to add - support. - - The symptom is that the kernel fails with an "unsupported - relocation" error when loading some modules. - - Until fixed tools are available, passing - -fno-optimize-sibling-calls to gcc should prevent gcc generating - code which hits this problem, at the cost of a bit of extra runtime - stack usage in some cases. - - The problem is described in more detail at: - https://bugs.launchpad.net/binutils-linaro/+bug/725126 - - Only Thumb-2 kernels are affected. - - Unless you are sure your tools don't have this problem, say Y. - config ARM_PATCH_IDIV bool "Runtime patch udiv/sdiv instructions into __aeabi_{u}idiv()" - depends on CPU_32v7 && !XIP_KERNEL + depends on CPU_32v7 default y help The ARM compiler inserts calls to __aeabi_idiv() and @@ -1512,21 +1191,21 @@ config OABI_COMPAT UNPREDICTABLE (in fact it can be predicted that it won't work at all). If in doubt say N. -config ARCH_HAS_HOLES_MEMORYMODEL - bool - -config ARCH_SPARSEMEM_ENABLE - bool +config ARCH_SELECT_MEMORY_MODEL + def_bool y -config ARCH_SPARSEMEM_DEFAULT - def_bool ARCH_SPARSEMEM_ENABLE +config ARCH_FLATMEM_ENABLE + def_bool !(ARCH_RPC || ARCH_SA1100) -config HAVE_ARCH_PFN_VALID - def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM +config ARCH_SPARSEMEM_ENABLE + def_bool !ARCH_FOOTBRIDGE + select SPARSEMEM_STATIC if SPARSEMEM config HIGHMEM bool "High Memory Support" depends on MMU + select KMAP_LOCAL + select KMAP_LOCAL_NON_LINEAR_PTE_ARRAY help The address space of ARM processors is only 4 Gigabytes large and it has to accommodate user address space, kernel address @@ -1571,20 +1250,10 @@ config HW_PERF_EVENTS def_bool y depends on ARM_PMU -config SYS_SUPPORTS_HUGETLBFS - def_bool y - depends on ARM_LPAE - -config HAVE_ARCH_TRANSPARENT_HUGEPAGE - def_bool y - depends on ARM_LPAE - -config ARCH_WANT_GENERAL_HUGETLB - def_bool y - config ARM_MODULE_PLTS bool "Use PLTs to allow module memory to spill over into vmalloc area" depends on MODULES + select KASAN_VMALLOC if KASAN default y help Allocate PLTs when loading modules so that jumps and calls whose @@ -1599,26 +1268,23 @@ config ARM_MODULE_PLTS Disabling this is usually safe for small single-platform configurations. If unsure, say y. -config FORCE_MAX_ZONEORDER - int "Maximum zone order" - default "12" if SOC_AM33XX - default "9" if SA1111 || ARCH_EFM32 - default "11" +config ARCH_FORCE_MAX_ORDER + int "Order of maximal physically contiguous allocations" + default "11" if SOC_AM33XX + default "8" if SA1111 + default "10" help - The kernel memory allocator divides physically contiguous memory - blocks into "zones", where each zone is a power of two number of - pages. This option selects the largest power of two that the kernel - keeps in the memory allocator. If you need to allocate very large - blocks of physically contiguous memory, then you may need to - increase this value. + The kernel page allocator limits the size of maximal physically + contiguous allocations. The limit is called MAX_PAGE_ORDER and it + defines the maximal power of two of number of pages that can be + allocated as a single contiguous block. This option allows + overriding the default setting when ability to allocate very + large blocks of physically contiguous memory is required. - This config option is actually maximum order plus one. For example, - a value of 11 means that the largest free memory block is 2^10 pages. + Don't change if unsure. config ALIGNMENT_TRAP - bool - depends on CPU_CP15_MMU - default y if !ARCH_EBSA110 + def_bool CPU_CP15_MMU select HAVE_PROC_CPU if PROC_FS help ARM processors cannot fetch/store information which is not @@ -1645,20 +1311,6 @@ config UACCESS_WITH_MEMCPY However, if the CPU data cache is using a write-allocate mode, this option is unlikely to provide any performance gain. -config SECCOMP - bool - prompt "Enable seccomp to safely compute untrusted bytecode" - ---help--- - This kernel feature is useful for number crunching applications - that may need to compute untrusted bytecode during their - execution. By using pipes or other transports made available to - the process as file descriptors supporting the read/write - syscalls, it's possible to isolate those applications in - their own address space using seccomp. Once seccomp is - enabled via prctl(PR_SET_SECCOMP), it cannot be disabled - and the task is only allowed to execute a few safe syscalls - defined by each seccomp mode. - config PARAVIRT bool "Enable paravirtualization code" help @@ -1695,10 +1347,14 @@ config XEN help Say Y if you want to run Linux in a Virtual Machine on Xen on ARM. +config CC_HAVE_STACKPROTECTOR_TLS + def_bool $(cc-option,-mtp=cp15 -mstack-protector-guard=tls -mstack-protector-guard-offset=0) + config STACKPROTECTOR_PER_TASK bool "Use a unique stack canary value for each task" - depends on GCC_PLUGINS && STACKPROTECTOR && SMP && !XIP_DEFLATED_DATA - select GCC_PLUGIN_ARM_SSP_PER_TASK + depends on STACKPROTECTOR && CURRENT_POINTER_IN_TPIDRURO && !XIP_DEFLATED_DATA + depends on GCC_PLUGINS || CC_HAVE_STACKPROTECTOR_TLS + select GCC_PLUGIN_ARM_SSP_PER_TASK if !CC_HAVE_STACKPROTECTOR_TLS default y help Due to the fact that GCC uses an ordinary symbol reference from @@ -1721,15 +1377,17 @@ config USE_OF help Include support for flattened device tree machine descriptions. +config ARCH_WANT_FLAT_DTB_INSTALL + def_bool y + config ATAGS - bool "Support for the traditional ATAGS boot data passing" if USE_OF + bool "Support for the traditional ATAGS boot data passing" default y help This is the traditional way of passing data to the kernel at boot time. If you are solely relying on the flattened device tree (or the ARM_ATAG_DTB_COMPAT option) then you may unselect this option - to remove ATAGS support from your kernel binary. If unsure, - leave this to y. + to remove ATAGS support from your kernel binary. config DEPRECATED_PARAM_STRUCT bool "Provide old way to pass kernel parameters" @@ -1742,7 +1400,7 @@ config DEPRECATED_PARAM_STRUCT # TEXT and BSS so we preserve their values in the config files. config ZBOOT_ROM_TEXT hex "Compressed ROM boot loader base address" - default "0" + default 0x0 help The physical address at which the ROM-able zImage is to be placed in the target. Platforms which normally make use of @@ -1753,7 +1411,7 @@ config ZBOOT_ROM_TEXT config ZBOOT_ROM_BSS hex "Compressed ROM boot loader BSS address" - default "0" + default 0x0 help The base address of an area of read/write memory in the target for the ROM-able zImage which must be available while the @@ -1827,7 +1485,7 @@ config CMDLINE string "Default kernel command string" default "" help - On some architectures (EBSA110 and CATS), there is currently no way + On some architectures (e.g. CATS), there is currently no way for the boot loader to pass arguments to the kernel. For these architectures, you should supply some command-line options at build time by entering them here. As a minimum, you should specify the @@ -1836,7 +1494,6 @@ config CMDLINE choice prompt "Kernel command line type" if CMDLINE != "" default CMDLINE_FROM_BOOTLOADER - depends on ATAGS config CMDLINE_FROM_BOOTLOADER bool "Use bootloader kernel arguments if available" @@ -1863,6 +1520,7 @@ endchoice config XIP_KERNEL bool "Kernel Execute-In-Place from ROM" depends on !ARM_LPAE && !ARCH_MULTIPLATFORM + depends on !ARM_PATCH_IDIV && !ARM_PATCH_PHYS_VIRT && !SMP_ON_UP help Execute-In-Place allows the kernel to run from non-volatile storage directly addressable by the CPU, such as NOR flash. This saves RAM @@ -1901,20 +1559,8 @@ config XIP_DEFLATED_DATA copied, saving some precious ROM space. A possible drawback is a slightly longer boot delay. -config KEXEC - bool "Kexec system call (EXPERIMENTAL)" - depends on (!SMP || PM_SLEEP_SMP) - depends on !CPU_V7M - select KEXEC_CORE - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot - but it is independent of the system firmware. And like a reboot - you can start any kernel with it, not just Linux. - - It is an ongoing process to be certain the hardware in a machine - is properly shutdown, so do not be surprised if this code does not - initially work for you. +config ARCH_SUPPORTS_KEXEC + def_bool (!SMP || PM_SLEEP_SMP) && MMU config ATAGS_PROC bool "Export atags in procfs" @@ -1924,26 +1570,19 @@ config ATAGS_PROC Should the atags used to boot the kernel be exported in an "atags" file in procfs. Useful with kexec. -config CRASH_DUMP - bool "Build kdump crash kernel (EXPERIMENTAL)" - help - Generate crash dump after being started by kexec. This should - be normally only set in special crash dump kernels which are - loaded in the main kernel with kexec-tools into a specially - reserved region and then later executed after a crash by - kdump/kexec. The crash dump kernel must be compiled to a - memory address not used by the main kernel - - For more details see Documentation/admin-guide/kdump/kdump.rst +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y config AUTO_ZRELADDR - bool "Auto calculation of the decompressed kernel image address" + bool "Auto calculation of the decompressed kernel image address" if !ARCH_MULTIPLATFORM + default !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) help ZRELADDR is the physical address where the decompressed kernel image will be placed. If AUTO_ZRELADDR is selected, the address - will be determined at run-time by masking the current IP with - 0xf8000000. This assumes the zImage being placed in the first 128MB - from start of memory. + will be determined at run-time, either by masking the current IP + with 0xf8000000, or, if invalid, from the DTB passed in r2. + This assumes the zImage being placed in the first 128MB from + start of memory. config EFI_STUB bool @@ -1954,9 +1593,9 @@ config EFI select UCS2_STRING select EFI_PARAMS_FROM_FDT select EFI_STUB - select EFI_ARMSTUB + select EFI_GENERIC_STUB select EFI_RUNTIME_WRAPPERS - ---help--- + help This option provides support for runtime services provided by UEFI firmware (such as non-volatile variables, realtime clock, and platform reset). A UEFI stub is also provided to @@ -1998,7 +1637,7 @@ comment "At least one emulation must be selected" config FPE_NWFPE bool "NWFPE math emulation" depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL - ---help--- + help Say Y to include the NWFPE floating point emulator in the kernel. This is necessary to run most binaries. Linux does not currently support floating point hardware so you need to say Y here even if @@ -2022,7 +1661,7 @@ config FPE_NWFPE_XP config FPE_FASTFPE bool "FastFPE math emulation (EXPERIMENTAL)" depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 - ---help--- + help Say Y here to include the FAST floating point emulator in the kernel. This is an experimental much faster emulator which now also has full precision for the mantissa. It does not support any exceptions. @@ -2040,7 +1679,7 @@ config VFP Say Y to include VFP support code in the kernel. This is needed if your hardware includes a VFP unit. - Please see <file:Documentation/arm/vfp/release-notes.rst> for + Please see <file:Documentation/arch/arm/vfp/release-notes.rst> for release notes and additional status information. Say N if your target does not have VFP hardware. @@ -2085,10 +1724,4 @@ config ARCH_HIBERNATION_POSSIBLE endmenu -source "drivers/firmware/Kconfig" - -if CRYPTO -source "arch/arm/crypto/Kconfig" -endif - -source "arch/arm/kvm/Kconfig" +source "arch/arm/Kconfig.assembler" |