1 # SPDX-License-Identifier: GPL-2.0 !! 1 config ALPHA 2 config MMU !! 2 bool 3 def_bool y !! 3 default y >> 4 select ARCH_MIGHT_HAVE_PC_PARPORT >> 5 select ARCH_MIGHT_HAVE_PC_SERIO >> 6 select ARCH_USE_CMPXCHG_LOCKREF >> 7 select HAVE_AOUT >> 8 select HAVE_IDE >> 9 select HAVE_OPROFILE >> 10 select HAVE_PCSPKR_PLATFORM >> 11 select HAVE_PERF_EVENTS >> 12 select VIRT_TO_BUS >> 13 select GENERIC_IRQ_PROBE >> 14 select AUTO_IRQ_AFFINITY if SMP >> 15 select GENERIC_IRQ_SHOW >> 16 select ARCH_WANT_IPC_PARSE_VERSION >> 17 select ARCH_HAVE_NMI_SAFE_CMPXCHG >> 18 select AUDIT_ARCH >> 19 select GENERIC_CLOCKEVENTS >> 20 select GENERIC_SMP_IDLE_THREAD >> 21 select GENERIC_STRNCPY_FROM_USER >> 22 select GENERIC_STRNLEN_USER >> 23 select HAVE_ARCH_AUDITSYSCALL >> 24 select HAVE_MOD_ARCH_SPECIFIC >> 25 select MODULES_USE_ELF_RELA >> 26 select ODD_RT_SIGACTION >> 27 select OLD_SIGSUSPEND >> 28 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67 >> 29 help >> 30 The Alpha is a 64-bit general-purpose processor designed and >> 31 marketed by the Digital Equipment Corporation of blessed memory, >> 32 now Hewlett-Packard. The Alpha Linux project has a home page at >> 33 <http://www.alphalinux.org/>. 4 34 5 config CPU_BIG_ENDIAN !! 35 config 64BIT 6 def_bool y 36 def_bool y 7 37 8 config LOCKDEP_SUPPORT !! 38 config MMU 9 def_bool y !! 39 bool >> 40 default y 10 41 11 config STACKTRACE_SUPPORT !! 42 config RWSEM_GENERIC_SPINLOCK 12 def_bool y !! 43 bool >> 44 >> 45 config RWSEM_XCHGADD_ALGORITHM >> 46 bool >> 47 default y 13 48 14 config ARCH_HAS_ILOG2_U32 49 config ARCH_HAS_ILOG2_U32 15 def_bool n !! 50 bool >> 51 default n 16 52 17 config ARCH_HAS_ILOG2_U64 53 config ARCH_HAS_ILOG2_U64 18 def_bool n !! 54 bool 19 !! 55 default n 20 config ARCH_PROC_KCORE_TEXT << 21 def_bool y << 22 << 23 config GENERIC_HWEIGHT << 24 def_bool !HAVE_MARCH_Z196_FEATURES << 25 << 26 config GENERIC_BUG << 27 def_bool y if BUG << 28 << 29 config GENERIC_BUG_RELATIVE_POINTERS << 30 def_bool y << 31 << 32 config GENERIC_LOCKBREAK << 33 def_bool y if PREEMPTION << 34 << 35 config PGSTE << 36 def_bool y if KVM << 37 << 38 config AUDIT_ARCH << 39 def_bool y << 40 56 41 config NO_IOPORT_MAP !! 57 config GENERIC_CALIBRATE_DELAY 42 def_bool y !! 58 bool >> 59 default y 43 60 44 config PCI_QUIRKS !! 61 config ZONE_DMA 45 def_bool n !! 62 bool >> 63 default y 46 64 47 config ARCH_SUPPORTS_UPROBES !! 65 config ARCH_DMA_ADDR_T_64BIT 48 def_bool y 66 def_bool y 49 67 50 config KASAN_SHADOW_OFFSET !! 68 config NEED_DMA_MAP_STATE 51 hex !! 69 def_bool y 52 depends on KASAN << 53 default 0x1C000000000000 << 54 70 55 config S390 !! 71 config NEED_SG_DMA_LENGTH 56 def_bool y 72 def_bool y 57 # << 58 # Note: keep this list sorted alphabet << 59 # << 60 imply IMA_SECURE_AND_OR_TRUSTED_BOOT << 61 select ALTERNATE_USER_ADDRESS_SPACE << 62 select ARCH_32BIT_USTAT_F_TINODE << 63 select ARCH_BINFMT_ELF_STATE << 64 select ARCH_CORRECT_STACKTRACE_ON_KRET << 65 select ARCH_ENABLE_MEMORY_HOTPLUG if S << 66 select ARCH_ENABLE_MEMORY_HOTREMOVE << 67 select ARCH_ENABLE_SPLIT_PMD_PTLOCK if << 68 select ARCH_HAS_CURRENT_STACK_POINTER << 69 select ARCH_HAS_DEBUG_VIRTUAL << 70 select ARCH_HAS_DEBUG_VM_PGTABLE << 71 select ARCH_HAS_DEBUG_WX << 72 select ARCH_HAS_DEVMEM_IS_ALLOWED << 73 select ARCH_HAS_DMA_OPS if PCI << 74 select ARCH_HAS_ELF_RANDOMIZE << 75 select ARCH_HAS_FORCE_DMA_UNENCRYPTED << 76 select ARCH_HAS_FORTIFY_SOURCE << 77 select ARCH_HAS_GCOV_PROFILE_ALL << 78 select ARCH_HAS_GIGANTIC_PAGE << 79 select ARCH_HAS_KCOV << 80 select ARCH_HAS_MEMBARRIER_SYNC_CORE << 81 select ARCH_HAS_MEM_ENCRYPT << 82 select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS << 83 select ARCH_HAS_PTE_SPECIAL << 84 select ARCH_HAS_SCALED_CPUTIME << 85 select ARCH_HAS_SET_DIRECT_MAP << 86 select ARCH_HAS_SET_MEMORY << 87 select ARCH_HAS_STRICT_KERNEL_RWX << 88 select ARCH_HAS_STRICT_MODULE_RWX << 89 select ARCH_HAS_SYSCALL_WRAPPER << 90 select ARCH_HAS_UBSAN << 91 select ARCH_HAS_VDSO_DATA << 92 select ARCH_HAVE_NMI_SAFE_CMPXCHG << 93 select ARCH_INLINE_READ_LOCK << 94 select ARCH_INLINE_READ_LOCK_BH << 95 select ARCH_INLINE_READ_LOCK_IRQ << 96 select ARCH_INLINE_READ_LOCK_IRQSAVE << 97 select ARCH_INLINE_READ_TRYLOCK << 98 select ARCH_INLINE_READ_UNLOCK << 99 select ARCH_INLINE_READ_UNLOCK_BH << 100 select ARCH_INLINE_READ_UNLOCK_IRQ << 101 select ARCH_INLINE_READ_UNLOCK_IRQREST << 102 select ARCH_INLINE_SPIN_LOCK << 103 select ARCH_INLINE_SPIN_LOCK_BH << 104 select ARCH_INLINE_SPIN_LOCK_IRQ << 105 select ARCH_INLINE_SPIN_LOCK_IRQSAVE << 106 select ARCH_INLINE_SPIN_TRYLOCK << 107 select ARCH_INLINE_SPIN_TRYLOCK_BH << 108 select ARCH_INLINE_SPIN_UNLOCK << 109 select ARCH_INLINE_SPIN_UNLOCK_BH << 110 select ARCH_INLINE_SPIN_UNLOCK_IRQ << 111 select ARCH_INLINE_SPIN_UNLOCK_IRQREST << 112 select ARCH_INLINE_WRITE_LOCK << 113 select ARCH_INLINE_WRITE_LOCK_BH << 114 select ARCH_INLINE_WRITE_LOCK_IRQ << 115 select ARCH_INLINE_WRITE_LOCK_IRQSAVE << 116 select ARCH_INLINE_WRITE_TRYLOCK << 117 select ARCH_INLINE_WRITE_UNLOCK << 118 select ARCH_INLINE_WRITE_UNLOCK_BH << 119 select ARCH_INLINE_WRITE_UNLOCK_IRQ << 120 select ARCH_INLINE_WRITE_UNLOCK_IRQRES << 121 select ARCH_MHP_MEMMAP_ON_MEMORY_ENABL << 122 select ARCH_STACKWALK << 123 select ARCH_SUPPORTS_ATOMIC_RMW << 124 select ARCH_SUPPORTS_DEBUG_PAGEALLOC << 125 select ARCH_SUPPORTS_HUGETLBFS << 126 select ARCH_SUPPORTS_INT128 if CC_HAS_ << 127 select ARCH_SUPPORTS_NUMA_BALANCING << 128 select ARCH_SUPPORTS_PER_VMA_LOCK << 129 select ARCH_USE_BUILTIN_BSWAP << 130 select ARCH_USE_CMPXCHG_LOCKREF << 131 select ARCH_USE_SYM_ANNOTATIONS << 132 select ARCH_WANTS_NO_INSTR << 133 select ARCH_WANT_DEFAULT_BPF_JIT << 134 select ARCH_WANT_IPC_PARSE_VERSION << 135 select ARCH_WANT_KERNEL_PMD_MKWRITE << 136 select ARCH_WANT_LD_ORPHAN_WARN << 137 select ARCH_WANT_OPTIMIZE_HUGETLB_VMEM << 138 select BUILDTIME_TABLE_SORT << 139 select CLONE_BACKWARDS2 << 140 select DCACHE_WORD_ACCESS if !KMSAN << 141 select DYNAMIC_FTRACE if FUNCTION_TRAC << 142 select FUNCTION_ALIGNMENT_8B if CC_IS_ << 143 select FUNCTION_ALIGNMENT_16B if !CC_I << 144 select GENERIC_ALLOCATOR << 145 select GENERIC_CPU_DEVICES << 146 select GENERIC_CPU_AUTOPROBE << 147 select GENERIC_CPU_VULNERABILITIES << 148 select GENERIC_ENTRY << 149 select GENERIC_GETTIMEOFDAY << 150 select GENERIC_PTDUMP << 151 select GENERIC_SMP_IDLE_THREAD << 152 select GENERIC_TIME_VSYSCALL << 153 select GENERIC_VDSO_TIME_NS << 154 select GENERIC_IOREMAP if PCI << 155 select HAVE_ALIGNED_STRUCT_PAGE << 156 select HAVE_ARCH_AUDITSYSCALL << 157 select HAVE_ARCH_JUMP_LABEL << 158 select HAVE_ARCH_JUMP_LABEL_RELATIVE << 159 select HAVE_ARCH_KASAN << 160 select HAVE_ARCH_KASAN_VMALLOC << 161 select HAVE_ARCH_KCSAN << 162 select HAVE_ARCH_KMSAN << 163 select HAVE_ARCH_KFENCE << 164 select HAVE_ARCH_RANDOMIZE_KSTACK_OFFS << 165 select HAVE_ARCH_SECCOMP_FILTER << 166 select HAVE_ARCH_SOFT_DIRTY << 167 select HAVE_ARCH_STACKLEAK << 168 select HAVE_ARCH_TRACEHOOK << 169 select HAVE_ARCH_TRANSPARENT_HUGEPAGE << 170 select HAVE_ARCH_VMAP_STACK << 171 select HAVE_ASM_MODVERSIONS << 172 select HAVE_CMPXCHG_DOUBLE << 173 select HAVE_CMPXCHG_LOCAL << 174 select HAVE_DEBUG_KMEMLEAK << 175 select HAVE_DMA_CONTIGUOUS << 176 select HAVE_DYNAMIC_FTRACE << 177 select HAVE_DYNAMIC_FTRACE_WITH_ARGS << 178 select HAVE_DYNAMIC_FTRACE_WITH_DIRECT << 179 select HAVE_DYNAMIC_FTRACE_WITH_REGS << 180 select HAVE_EBPF_JIT if HAVE_MARCH_Z19 << 181 select HAVE_EFFICIENT_UNALIGNED_ACCESS << 182 select HAVE_GUP_FAST << 183 select HAVE_FENTRY << 184 select HAVE_FTRACE_MCOUNT_RECORD << 185 select HAVE_FUNCTION_ARG_ACCESS_API << 186 select HAVE_FUNCTION_ERROR_INJECTION << 187 select HAVE_FUNCTION_GRAPH_RETVAL << 188 select HAVE_FUNCTION_GRAPH_TRACER << 189 select HAVE_FUNCTION_TRACER << 190 select HAVE_GCC_PLUGINS << 191 select HAVE_GENERIC_VDSO << 192 select HAVE_IOREMAP_PROT if PCI << 193 select HAVE_KERNEL_BZIP2 << 194 select HAVE_KERNEL_GZIP << 195 select HAVE_KERNEL_LZ4 << 196 select HAVE_KERNEL_LZMA << 197 select HAVE_KERNEL_LZO << 198 select HAVE_KERNEL_UNCOMPRESSED << 199 select HAVE_KERNEL_XZ << 200 select HAVE_KERNEL_ZSTD << 201 select HAVE_KPROBES << 202 select HAVE_KPROBES_ON_FTRACE << 203 select HAVE_KRETPROBES << 204 select HAVE_LIVEPATCH << 205 select HAVE_MEMBLOCK_PHYS_MAP << 206 select HAVE_MOD_ARCH_SPECIFIC << 207 select HAVE_NMI << 208 select HAVE_NOP_MCOUNT << 209 select HAVE_PAGE_SIZE_4KB << 210 select HAVE_PCI << 211 select HAVE_PERF_EVENTS << 212 select HAVE_PERF_REGS << 213 select HAVE_PERF_USER_STACK_DUMP << 214 select HAVE_REGS_AND_STACK_ACCESS_API << 215 select HAVE_RELIABLE_STACKTRACE << 216 select HAVE_RETHOOK << 217 select HAVE_RSEQ << 218 select HAVE_SAMPLE_FTRACE_DIRECT << 219 select HAVE_SAMPLE_FTRACE_DIRECT_MULTI << 220 select HAVE_SETUP_PER_CPU_AREA << 221 select HAVE_SOFTIRQ_ON_OWN_STACK << 222 select HAVE_SYSCALL_TRACEPOINTS << 223 select HAVE_VIRT_CPU_ACCOUNTING << 224 select HAVE_VIRT_CPU_ACCOUNTING_IDLE << 225 select IOMMU_HELPER if PCI << 226 select IOMMU_SUPPORT if PCI << 227 select MMU_GATHER_MERGE_VMAS << 228 select MMU_GATHER_NO_GATHER << 229 select MMU_GATHER_RCU_TABLE_FREE << 230 select MODULES_USE_ELF_RELA << 231 select NEED_DMA_MAP_STATE if PCI << 232 select NEED_PER_CPU_EMBED_FIRST_CHUNK << 233 select NEED_SG_DMA_LENGTH if PCI << 234 select OLD_SIGACTION << 235 select OLD_SIGSUSPEND3 << 236 select PCI_DOMAINS if PCI << 237 select PCI_MSI if PCI << 238 select PCI_MSI_ARCH_FALLBACKS if PCI << 239 select SPARSE_IRQ << 240 select SWIOTLB << 241 select SYSCTL_EXCEPTION_TRACE << 242 select THREAD_INFO_IN_TASK << 243 select TRACE_IRQFLAGS_SUPPORT << 244 select TTY << 245 select USER_STACKTRACE_SUPPORT << 246 select VDSO_GETRANDOM << 247 select VIRT_CPU_ACCOUNTING << 248 select ZONE_DMA << 249 # Note: keep the above list sorted alp << 250 73 251 config SCHED_OMIT_FRAME_POINTER !! 74 config GENERIC_ISA_DMA 252 def_bool y !! 75 bool >> 76 default y 253 77 254 config PGTABLE_LEVELS 78 config PGTABLE_LEVELS 255 int 79 int 256 default 5 !! 80 default 3 257 81 258 source "kernel/livepatch/Kconfig" !! 82 source "init/Kconfig" >> 83 source "kernel/Kconfig.freezer" 259 84 260 config ARCH_SUPPORTS_KEXEC !! 85 config AUDIT_ARCH 261 def_bool y !! 86 bool 262 << 263 config ARCH_SUPPORTS_KEXEC_FILE << 264 def_bool y << 265 << 266 config ARCH_SUPPORTS_KEXEC_SIG << 267 def_bool MODULE_SIG_FORMAT << 268 87 269 config ARCH_SUPPORTS_KEXEC_PURGATORY !! 88 menu "System setup" 270 def_bool y << 271 << 272 config ARCH_SUPPORTS_CRASH_DUMP << 273 def_bool y << 274 help << 275 Refer to <file:Documentation/arch/s3 << 276 This option also enables s390 zfcpdu << 277 See also <file:Documentation/arch/s3 << 278 << 279 menu "Processor type and features" << 280 << 281 config HAVE_MARCH_Z10_FEATURES << 282 def_bool n << 283 << 284 config HAVE_MARCH_Z196_FEATURES << 285 def_bool n << 286 select HAVE_MARCH_Z10_FEATURES << 287 << 288 config HAVE_MARCH_ZEC12_FEATURES << 289 def_bool n << 290 select HAVE_MARCH_Z196_FEATURES << 291 << 292 config HAVE_MARCH_Z13_FEATURES << 293 def_bool n << 294 select HAVE_MARCH_ZEC12_FEATURES << 295 << 296 config HAVE_MARCH_Z14_FEATURES << 297 def_bool n << 298 select HAVE_MARCH_Z13_FEATURES << 299 << 300 config HAVE_MARCH_Z15_FEATURES << 301 def_bool n << 302 select HAVE_MARCH_Z14_FEATURES << 303 << 304 config HAVE_MARCH_Z16_FEATURES << 305 def_bool n << 306 select HAVE_MARCH_Z15_FEATURES << 307 89 308 choice 90 choice 309 prompt "Processor type" !! 91 prompt "Alpha system type" 310 default MARCH_Z196 !! 92 default ALPHA_GENERIC >> 93 ---help--- >> 94 This is the system type of your hardware. A "generic" kernel will >> 95 run on any supported Alpha system. However, if you configure a >> 96 kernel for your specific system, it will be faster and smaller. 311 97 312 config MARCH_Z10 !! 98 To find out what type of Alpha system you have, you may want to 313 bool "IBM System z10" !! 99 check out the Linux/Alpha FAQ, accessible on the WWW from 314 select HAVE_MARCH_Z10_FEATURES !! 100 <http://www.alphalinux.org/>. In summary: 315 depends on $(cc-option,-march=z10) << 316 help << 317 Select this to enable optimizations << 318 series). This is the oldest machine << 319 << 320 config MARCH_Z196 << 321 bool "IBM zEnterprise 114 and 196" << 322 select HAVE_MARCH_Z196_FEATURES << 323 depends on $(cc-option,-march=z196) << 324 help << 325 Select this to enable optimizations << 326 (2818 and 2817 series). The kernel w << 327 not work on older machines. << 328 << 329 config MARCH_ZEC12 << 330 bool "IBM zBC12 and zEC12" << 331 select HAVE_MARCH_ZEC12_FEATURES << 332 depends on $(cc-option,-march=zEC12) << 333 help << 334 Select this to enable optimizations << 335 2827 series). The kernel will be sli << 336 older machines. << 337 << 338 config MARCH_Z13 << 339 bool "IBM z13s and z13" << 340 select HAVE_MARCH_Z13_FEATURES << 341 depends on $(cc-option,-march=z13) << 342 help << 343 Select this to enable optimizations << 344 2964 series). The kernel will be sli << 345 older machines. << 346 << 347 config MARCH_Z14 << 348 bool "IBM z14 ZR1 and z14" << 349 select HAVE_MARCH_Z14_FEATURES << 350 depends on $(cc-option,-march=z14) << 351 help << 352 Select this to enable optimizations << 353 and 3906 series). The kernel will be << 354 work on older machines. << 355 << 356 config MARCH_Z15 << 357 bool "IBM z15" << 358 select HAVE_MARCH_Z15_FEATURES << 359 depends on $(cc-option,-march=z15) << 360 help << 361 Select this to enable optimizations << 362 and 8561 series). The kernel will be << 363 work on older machines. << 364 << 365 config MARCH_Z16 << 366 bool "IBM z16" << 367 select HAVE_MARCH_Z16_FEATURES << 368 depends on $(cc-option,-march=z16) << 369 help << 370 Select this to enable optimizations << 371 3932 series). << 372 101 373 endchoice !! 102 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366 >> 103 Alpha-XL XL-233, XL-266 >> 104 AlphaBook1 Alpha laptop >> 105 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400 >> 106 Cabriolet AlphaPC64, AlphaPCI64 >> 107 DP264 DP264 / DS20 / ES40 / DS10 / DS10L >> 108 EB164 EB164 21164 evaluation board >> 109 EB64+ EB64+ 21064 evaluation board >> 110 EB66 EB66 21066 evaluation board >> 111 EB66+ EB66+ 21066 evaluation board >> 112 Jensen DECpc 150, DEC 2000 models 300, 500 >> 113 LX164 AlphaPC164-LX >> 114 Lynx AS 2100A >> 115 Miata Personal Workstation 433/500/600 a/au >> 116 Marvel AlphaServer ES47 / ES80 / GS1280 >> 117 Mikasa AS 1000 >> 118 Noname AXPpci33, UDB (Multia) >> 119 Noritake AS 1000A, AS 600A, AS 800 >> 120 PC164 AlphaPC164 >> 121 Rawhide AS 1200, AS 4000, AS 4100 >> 122 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX >> 123 SX164 AlphaPC164-SX >> 124 Sable AS 2000, AS 2100 >> 125 Shark DS 20L >> 126 Takara Takara (OEM) >> 127 Titan AlphaServer ES45 / DS25 / DS15 >> 128 Wildfire AlphaServer GS 40/80/160/320 374 129 375 config MARCH_Z10_TUNE !! 130 If you don't know what to do, choose "generic". 376 def_bool TUNE_Z10 || MARCH_Z10 && TUNE << 377 131 378 config MARCH_Z196_TUNE !! 132 config ALPHA_GENERIC 379 def_bool TUNE_Z196 || MARCH_Z196 && TU !! 133 bool "Generic" 380 !! 134 depends on TTY 381 config MARCH_ZEC12_TUNE !! 135 help 382 def_bool TUNE_ZEC12 || MARCH_ZEC12 && !! 136 A generic kernel will run on all supported Alpha hardware. 383 137 384 config MARCH_Z13_TUNE !! 138 config ALPHA_ALCOR 385 def_bool TUNE_Z13 || MARCH_Z13 && TUNE !! 139 bool "Alcor/Alpha-XLT" >> 140 help >> 141 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data >> 142 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O >> 143 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM >> 144 controller (256-bit memory bus) and a PCI interface. It also does >> 145 all the work required to support an external Bcache and to maintain >> 146 memory coherence when a PCI device DMAs into (or out of) memory. 386 147 387 config MARCH_Z14_TUNE !! 148 config ALPHA_XL 388 def_bool TUNE_Z14 || MARCH_Z14 && TUNE !! 149 bool "Alpha-XL" >> 150 help >> 151 XL-233 and XL-266-based Alpha systems. 389 152 390 config MARCH_Z15_TUNE !! 153 config ALPHA_BOOK1 391 def_bool TUNE_Z15 || MARCH_Z15 && TUNE !! 154 bool "AlphaBook1" >> 155 help >> 156 Dec AlphaBook1/Burns Alpha-based laptops. 392 157 393 config MARCH_Z16_TUNE !! 158 config ALPHA_AVANTI_CH 394 def_bool TUNE_Z16 || MARCH_Z16 && TUNE !! 159 bool "Avanti" 395 160 396 choice !! 161 config ALPHA_CABRIOLET 397 prompt "Tune code generation" !! 162 bool "Cabriolet" 398 default TUNE_DEFAULT << 399 help 163 help 400 Cause the compiler to tune (-mtune) !! 164 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now 401 This will make the code run faster o !! 165 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA 402 somewhat slower on other machines. !! 166 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in 403 This option only changes how the com !! 167 Bcache SIMMs. Requires power supply with 3.3V output. 404 selection of instructions itself, so << 405 all other machines. << 406 << 407 config TUNE_DEFAULT << 408 bool "Default" << 409 help << 410 Tune the generated code for the targ << 411 will be compiled. << 412 << 413 config TUNE_Z10 << 414 bool "IBM System z10" << 415 << 416 config TUNE_Z196 << 417 bool "IBM zEnterprise 114 and 196" << 418 depends on $(cc-option,-mtune=z196) << 419 << 420 config TUNE_ZEC12 << 421 bool "IBM zBC12 and zEC12" << 422 depends on $(cc-option,-mtune=zEC12) << 423 << 424 config TUNE_Z13 << 425 bool "IBM z13s and z13" << 426 depends on $(cc-option,-mtune=z13) << 427 << 428 config TUNE_Z14 << 429 bool "IBM z14 ZR1 and z14" << 430 depends on $(cc-option,-mtune=z14) << 431 << 432 config TUNE_Z15 << 433 bool "IBM z15" << 434 depends on $(cc-option,-mtune=z15) << 435 << 436 config TUNE_Z16 << 437 bool "IBM z16" << 438 depends on $(cc-option,-mtune=z16) << 439 168 440 endchoice !! 169 config ALPHA_DP264 >> 170 bool "DP264" >> 171 help >> 172 Various 21264 systems with the tsunami core logic chipset. >> 173 API Networks: 264DP, UP2000(+), CS20; >> 174 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40. 441 175 442 config 64BIT !! 176 config ALPHA_EB164 443 def_bool y !! 177 bool "EB164" >> 178 help >> 179 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has >> 180 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is >> 181 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in >> 182 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD, >> 183 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized >> 184 motherboard. Requires power supply with 3.3V output. 444 185 445 config COMMAND_LINE_SIZE !! 186 config ALPHA_EB64P_CH 446 int "Maximum size of kernel command li !! 187 bool "EB64+" 447 default 4096 << 448 range 896 1048576 << 449 help << 450 This allows you to specify the maxim << 451 line. << 452 << 453 config COMPAT << 454 def_bool n << 455 prompt "Kernel support for 31 bit emul << 456 select ARCH_WANT_OLD_COMPAT_IPC << 457 select COMPAT_OLD_SIGACTION << 458 select HAVE_UID16 << 459 depends on MULTIUSER << 460 depends on !CC_IS_CLANG && !LD_IS_LLD << 461 help << 462 Select this option if you want to en << 463 handle system-calls from ELF binarie << 464 (and some other stuff like libraries << 465 executing 31 bit applications. << 466 188 467 If unsure say N. !! 189 config ALPHA_EB66 >> 190 bool "EB66" >> 191 help >> 192 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is >> 193 identical to EB64+. Baby PC-AT size. Runs from standard PC power >> 194 supply. The EB66 schematic was published as a marketing poster >> 195 advertising the 21066 as "the first microprocessor in the world with >> 196 embedded PCI". 468 197 469 config SMP !! 198 config ALPHA_EB66P 470 def_bool y !! 199 bool "EB66+" >> 200 help >> 201 Later variant of the EB66 board. 471 202 472 config NR_CPUS !! 203 config ALPHA_EIGER 473 int "Maximum number of CPUs (2-512)" !! 204 bool "Eiger" 474 range 2 512 !! 205 help 475 default "64" !! 206 Apparently an obscure OEM single-board computer based on the 476 help !! 207 Typhoon/Tsunami chipset family. Information on it is scanty. 477 This allows you to specify the maxim << 478 kernel will support. The maximum sup << 479 minimum value which makes sense is 2 << 480 208 481 This is purely to save memory - each !! 209 config ALPHA_JENSEN 482 approximately sixteen kilobytes to t !! 210 bool "Jensen" >> 211 help >> 212 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one >> 213 of the first-generation Alpha systems. A number of these systems >> 214 seem to be available on the second- hand market. The Jensen is a >> 215 floor-standing tower system which originally used a 150MHz 21064 It >> 216 used programmable logic to interface a 486 EISA I/O bridge to the >> 217 CPU. 483 218 484 config HOTPLUG_CPU !! 219 config ALPHA_LX164 485 def_bool y !! 220 bool "LX164" >> 221 help >> 222 A technical overview of this board is available at >> 223 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>. 486 224 487 config NUMA !! 225 config ALPHA_LYNX 488 bool "NUMA support" !! 226 bool "Lynx" 489 depends on SCHED_TOPOLOGY << 490 default n << 491 help 227 help 492 Enable NUMA support !! 228 AlphaServer 2100A-based systems. 493 229 494 This option adds NUMA support to the !! 230 config ALPHA_MARVEL >> 231 bool "Marvel" >> 232 help >> 233 AlphaServer ES47 / ES80 / GS1280 based on EV7. 495 234 496 config NODES_SHIFT !! 235 config ALPHA_MIATA 497 int !! 236 bool "Miata" 498 depends on NUMA !! 237 help 499 default "1" !! 238 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a, >> 239 or 600au). 500 240 501 config SCHED_SMT !! 241 config ALPHA_MIKASA 502 def_bool n !! 242 bool "Mikasa" >> 243 help >> 244 AlphaServer 1000-based Alpha systems. 503 245 504 config SCHED_MC !! 246 config ALPHA_NAUTILUS 505 def_bool n !! 247 bool "Nautilus" >> 248 help >> 249 Alpha systems based on the AMD 751 & ALI 1543C chipsets. 506 250 507 config SCHED_TOPOLOGY !! 251 config ALPHA_NONAME_CH 508 def_bool y !! 252 bool "Noname" 509 prompt "Topology scheduler support" << 510 select SCHED_SMT << 511 select SCHED_MC << 512 help << 513 Topology scheduler support improves << 514 making when dealing with machines th << 515 multiple cores or multiple books. << 516 253 517 config SCHED_TOPOLOGY_VERTICAL !! 254 config ALPHA_NORITAKE 518 def_bool y !! 255 bool "Noritake" 519 bool "Use vertical CPU polarization by << 520 depends on SCHED_TOPOLOGY << 521 help 256 help 522 Use vertical CPU polarization by def !! 257 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based 523 The default CPU polarization is hori !! 258 systems. 524 259 525 config HIPERDISPATCH_ON !! 260 config ALPHA_PC164 526 def_bool y !! 261 bool "PC164" 527 bool "Use hiperdispatch on vertical po << 528 depends on SCHED_TOPOLOGY << 529 depends on PROC_SYSCTL << 530 help << 531 Hiperdispatch aims to improve the CP << 532 making when using vertical polarizat << 533 capacities dynamically. Set this opt << 534 on vertical polarization by default. << 535 by sysctl's s390.hiperdispatch attri << 536 << 537 source "kernel/Kconfig.hz" << 538 << 539 config CERT_STORE << 540 bool "Get user certificates via DIAG32 << 541 depends on KEYS << 542 select CRYPTO_LIB_SHA256 << 543 help << 544 Enable this option if you want to ac << 545 certificates via DIAG 0x320. << 546 << 547 These certificates will be made avai << 548 'cert_store'. << 549 << 550 config KERNEL_NOBP << 551 def_bool n << 552 prompt "Enable modified branch predict << 553 help << 554 If this option is selected the kerne << 555 branch prediction mode if the firmwa << 556 The modified branch prediction mode << 557 regard to speculative execution. << 558 262 559 With the option enabled the kernel p !! 263 config ALPHA_P2K 560 can be used to run the kernel in the !! 264 bool "Platform2000" 561 265 562 With the option disabled the modifie !! 266 config ALPHA_RAWHIDE 563 enabled with the "nobp=1" kernel par !! 267 bool "Rawhide" >> 268 help >> 269 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines. >> 270 See HOWTO at >> 271 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>. 564 272 565 If unsure, say N. !! 273 config ALPHA_RUFFIAN >> 274 bool "Ruffian" >> 275 help >> 276 Samsung APC164UX. There is a page on known problems and workarounds >> 277 at <http://www.alphalinux.org/faq/FAQ-11.html>. 566 278 567 config EXPOLINE !! 279 config ALPHA_RX164 568 def_bool n !! 280 bool "RX164" 569 depends on $(cc-option,-mindirect-bran << 570 prompt "Avoid speculative indirect bra << 571 help << 572 Compile the kernel with the expoline << 573 against kernel-to-user data leaks by << 574 branches. << 575 Requires a compiler with -mindirect- << 576 protection. The kernel may run slowe << 577 281 578 If unsure, say N. !! 282 config ALPHA_SX164 >> 283 bool "SX164" 579 284 580 config EXPOLINE_EXTERN !! 285 config ALPHA_SABLE 581 def_bool EXPOLINE && CC_IS_GCC && GCC_ !! 286 bool "Sable" 582 $(success,$(srctree)/arch/s39 !! 287 help 583 help !! 288 Digital AlphaServer 2000 and 2100-based systems. 584 Generate expolines as external funct << 585 This option is required for some too << 586 are enabled. The kernel is compiled << 587 -mindirect-branch=thunk-extern, whic << 588 289 589 choice !! 290 config ALPHA_SHARK 590 prompt "Expoline default" !! 291 bool "Shark" 591 depends on EXPOLINE << 592 default EXPOLINE_FULL << 593 292 594 config EXPOLINE_OFF !! 293 config ALPHA_TAKARA 595 bool "spectre_v2=off" !! 294 bool "Takara" >> 295 help >> 296 Alpha 11164-based OEM single-board computer. 596 297 597 config EXPOLINE_AUTO !! 298 config ALPHA_TITAN 598 bool "spectre_v2=auto" !! 299 bool "Titan" >> 300 help >> 301 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset. 599 302 600 config EXPOLINE_FULL !! 303 config ALPHA_WILDFIRE 601 bool "spectre_v2=on" !! 304 bool "Wildfire" >> 305 help >> 306 AlphaServer GS 40/80/160/320 SMP based on the EV67 core. 602 307 603 endchoice 308 endchoice 604 309 605 config RELOCATABLE !! 310 # clear all implied options (don't want default values for those): 606 def_bool y !! 311 # Most of these machines have ISA slots; not exactly sure which don't, >> 312 # and this doesn't activate hordes of code, so do it always. >> 313 config ISA >> 314 bool >> 315 default y 607 help 316 help 608 This builds a kernel image that reta !! 317 Find out whether you have ISA slots on your motherboard. ISA is the 609 so it can be loaded at an arbitrary !! 318 name of a bus system, i.e. the way the CPU talks to the other stuff 610 The relocations make the kernel imag !! 319 inside your box. Other bus systems are PCI, EISA, MicroChannel 611 10%), but are discarded at runtime. !! 320 (MCA) or VESA. ISA is an older system, now being displaced by PCI; 612 Note: this option exists only for do !! 321 newer boards don't support it. If you have ISA, say Y, otherwise N. 613 not remove it. << 614 << 615 config RANDOMIZE_BASE << 616 bool "Randomize the address of the ker << 617 default y << 618 help << 619 In support of Kernel Address Space L << 620 this randomizes the address at which << 621 as a security feature that deters ex << 622 knowledge of the location of kernel << 623 << 624 config RANDOMIZE_IDENTITY_BASE << 625 bool "Randomize the address of the ide << 626 depends on RANDOMIZE_BASE << 627 default DEBUG_VM << 628 help << 629 The identity mapping base address is << 630 Allow randomization of that base to << 631 notion of physical and virtual addre << 632 That does not have any impact on the << 633 kernel image is loaded. << 634 << 635 If unsure, say N << 636 << 637 config KERNEL_IMAGE_BASE << 638 hex "Kernel image base address" << 639 range 0x100000 0x1FFFFFE0000000 if !KA << 640 range 0x100000 0x1BFFFFE0000000 if KAS << 641 default 0x3FFE0000000 if !KASAN << 642 default 0x7FFFE0000000 if KASAN << 643 help << 644 This is the address at which the ker << 645 Kernel Address Space Layout Randomiz << 646 << 647 In case the Protected virtualization << 648 Ultravisor imposes a virtual address << 649 option leads to the kernel image exc << 650 this option is ignored and the image << 651 << 652 If the value of this option leads to << 653 the virtual memory where other data << 654 option is ignored and the image is l << 655 322 656 endmenu !! 323 config ISA_DMA_API >> 324 bool >> 325 default y 657 326 658 menu "Memory setup" !! 327 config PCI >> 328 bool >> 329 depends on !ALPHA_JENSEN >> 330 select GENERIC_PCI_IOMAP >> 331 default y >> 332 help >> 333 Find out whether you have a PCI motherboard. PCI is the name of a >> 334 bus system, i.e. the way the CPU talks to the other stuff inside >> 335 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or >> 336 VESA. If you have PCI, say Y, otherwise N. 659 337 660 config ARCH_SPARSEMEM_ENABLE !! 338 config PCI_DOMAINS 661 def_bool y !! 339 bool 662 select SPARSEMEM_VMEMMAP_ENABLE !! 340 default y 663 select SPARSEMEM_VMEMMAP << 664 341 665 config ARCH_SPARSEMEM_DEFAULT !! 342 config PCI_SYSCALL 666 def_bool y !! 343 def_bool PCI 667 344 668 config MAX_PHYSMEM_BITS !! 345 config IOMMU_HELPER 669 int "Maximum size of supported physica !! 346 def_bool PCI 670 range 42 53 << 671 default "46" << 672 help << 673 This option specifies the maximum su << 674 in bits. Supported is any size betwe << 675 Increasing the number of bits also i << 676 By default 46 bits (64TB) are suppor << 677 347 678 config CHECK_STACK !! 348 config ALPHA_NONAME 679 def_bool y !! 349 bool 680 depends on !VMAP_STACK !! 350 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH 681 prompt "Detect kernel stack overflow" !! 351 default y 682 help 352 help 683 This option enables the compiler opt !! 353 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia 684 -mstack-size if they are available. !! 354 UDB). This design was produced by Digital's Technical OEM (TOEM) 685 it will emit additional code to each !! 355 group. It uses the 21066 processor running at 166MHz or 233MHz. It 686 an illegal operation if the kernel s !! 356 is a baby-AT size, and runs from a standard PC power supply. It has 687 !! 357 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are 688 Say N if you are unsure. !! 358 2 versions, with either PS/2 or large DIN connectors for the 689 !! 359 keyboard. 690 config STACK_GUARD !! 360 691 int "Size of the guard area (128-1024) !! 361 config ALPHA_EV4 692 range 128 1024 !! 362 bool 693 depends on CHECK_STACK !! 363 depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K 694 default "256" !! 364 default y if !ALPHA_LYNX 695 help !! 365 696 This allows you to specify the size !! 366 config ALPHA_LCA 697 end of the kernel stack. If the kern !! 367 bool 698 area on function entry an illegal op !! 368 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K 699 needs to be a power of 2. Please kee !! 369 default y 700 interrupt frame is 184 bytes for 31 << 701 The minimum size for the stack guard << 702 512 for 64 bit. << 703 << 704 endmenu << 705 370 706 menu "I/O subsystem" !! 371 config ALPHA_APECS >> 372 bool >> 373 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL >> 374 default y 707 375 708 config QDIO !! 376 config ALPHA_EB64P 709 def_tristate y !! 377 bool 710 prompt "QDIO support" !! 378 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH >> 379 default y 711 help 380 help 712 This driver provides the Queued Dire !! 381 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA, 713 IBM System z. !! 382 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs. >> 383 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI >> 384 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style), >> 385 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size. >> 386 Runs from standard PC power supply. >> 387 >> 388 config ALPHA_EV5 >> 389 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX >> 390 default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR >> 391 >> 392 config ALPHA_EV4 >> 393 bool >> 394 default y if ALPHA_LYNX && !ALPHA_EV5 >> 395 >> 396 config ALPHA_CIA >> 397 bool >> 398 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR >> 399 default y 714 400 715 To compile this driver as a module, !! 401 config ALPHA_EV56 716 module will be called qdio. !! 402 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR >> 403 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA 717 404 718 If unsure, say Y. !! 405 config ALPHA_EV56 >> 406 prompt "EV56 CPU (speed >= 333MHz)?" >> 407 depends on ALPHA_NORITAKE || ALPHA_PRIMO 719 408 720 if PCI !! 409 config ALPHA_EV56 >> 410 prompt "EV56 CPU (speed >= 400MHz)?" >> 411 depends on ALPHA_RAWHIDE 721 412 722 config PCI_NR_FUNCTIONS !! 413 config ALPHA_PRIMO 723 int "Maximum number of PCI functions ( !! 414 bool "EV5 CPU daughtercard (model 5/xxx)?" 724 range 1 4096 !! 415 depends on ALPHA_NORITAKE || ALPHA_MIKASA 725 default "512" << 726 help 416 help 727 This allows you to specify the maxim !! 417 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx. 728 this kernel will support. << 729 418 730 endif # PCI !! 419 config ALPHA_GAMMA >> 420 bool "EV5 CPU(s) (model 5/xxx)?" >> 421 depends on ALPHA_SABLE >> 422 help >> 423 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx. 731 424 732 config HAS_IOMEM !! 425 config ALPHA_GAMMA 733 def_bool PCI !! 426 bool >> 427 depends on ALPHA_LYNX >> 428 default y 734 429 735 config CHSC_SCH !! 430 config ALPHA_T2 736 def_tristate m !! 431 bool 737 prompt "Support for CHSC subchannels" !! 432 depends on ALPHA_SABLE || ALPHA_LYNX 738 help !! 433 default y 739 This driver allows usage of CHSC sub << 740 is usually present on LPAR only. << 741 The driver creates a device /dev/chs << 742 obtain I/O configuration information << 743 to issue asynchronous chsc commands << 744 You will usually only want to use th << 745 LPAR designated for system managemen << 746 434 747 To compile this driver as a module, !! 435 config ALPHA_PYXIS 748 module will be called chsc_sch. !! 436 bool >> 437 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN >> 438 default y 749 439 750 If unsure, say N. !! 440 config ALPHA_EV6 >> 441 bool >> 442 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL >> 443 default y 751 444 752 config SCM_BUS !! 445 config ALPHA_TSUNAMI 753 def_bool y !! 446 bool 754 prompt "SCM bus driver" !! 447 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER 755 help !! 448 default y 756 Bus driver for Storage Class Memory. << 757 449 758 config EADM_SCH !! 450 config ALPHA_EV67 759 def_tristate m !! 451 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER 760 prompt "Support for EADM subchannels" !! 452 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL 761 depends on SCM_BUS !! 453 help 762 help !! 454 Is this a machine based on the EV67 core? If in doubt, select N here 763 This driver allows usage of EADM sub !! 455 and the machine will be treated as an EV6. 764 as a communication vehicle for SCM i !! 456 >> 457 config ALPHA_MCPCIA >> 458 bool >> 459 depends on ALPHA_RAWHIDE >> 460 default y 765 461 766 To compile this driver as a module, !! 462 config ALPHA_POLARIS 767 module will be called eadm_sch. !! 463 bool >> 464 depends on ALPHA_RX164 >> 465 default y 768 466 769 config AP !! 467 config ALPHA_IRONGATE 770 def_tristate y !! 468 bool 771 prompt "Support for Adjunct Processors !! 469 depends on ALPHA_NAUTILUS 772 help !! 470 default y 773 This driver allows usage to Adjunct << 774 the ap bus, cards and queues. Suppor << 775 the CryptoExpress Cards (CEX). << 776 471 777 To compile this driver as a module, !! 472 config GENERIC_HWEIGHT 778 module will be called ap. !! 473 bool >> 474 default y if !ALPHA_EV67 779 475 780 If unsure, say Y (default). !! 476 config ALPHA_AVANTI >> 477 bool >> 478 depends on ALPHA_XL || ALPHA_AVANTI_CH >> 479 default y >> 480 help >> 481 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based >> 482 Alphas. Info at >> 483 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>. >> 484 >> 485 config ALPHA_BROKEN_IRQ_MASK >> 486 bool >> 487 depends on ALPHA_GENERIC || ALPHA_PC164 >> 488 default y 781 489 782 config AP_DEBUG !! 490 config VGA_HOSE 783 def_bool n !! 491 bool 784 prompt "Enable debug features for Adju !! 492 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI) 785 depends on AP !! 493 default y 786 help 494 help 787 Say 'Y' here to enable some addition !! 495 Support VGA on an arbitrary hose; needed for several platforms 788 Processor (ap) devices. !! 496 which always have multiple hoses, and whose consoles support it. 789 497 790 There will be some more sysfs attrib << 791 498 792 Do not enable on production level ke !! 499 config ALPHA_QEMU >> 500 bool "Run under QEMU emulation" >> 501 depends on !ALPHA_GENERIC >> 502 ---help--- >> 503 Assume the presence of special features supported by QEMU PALcode >> 504 that reduce the overhead of system emulation. >> 505 >> 506 Generic kernels will auto-detect QEMU. But when building a >> 507 system-specific kernel, the assumption is that we want to >> 508 elimiate as many runtime tests as possible. 793 509 794 If unsure, say N. 510 If unsure, say N. 795 511 796 config VFIO_CCW << 797 def_tristate n << 798 prompt "Support for VFIO-CCW subchanne << 799 depends on VFIO << 800 select VFIO_MDEV << 801 help << 802 This driver allows usage of I/O subc << 803 << 804 To compile this driver as a module, << 805 module will be called vfio_ccw. << 806 << 807 config VFIO_AP << 808 def_tristate n << 809 prompt "VFIO support for AP devices" << 810 depends on KVM << 811 depends on VFIO << 812 depends on AP << 813 select VFIO_MDEV << 814 help << 815 This driver grants access to Adjunct << 816 via the VFIO mediated device interfa << 817 512 818 To compile this driver as a module, !! 513 config ALPHA_SRM 819 will be called vfio_ap. !! 514 bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME >> 515 depends on TTY >> 516 default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL >> 517 ---help--- >> 518 There are two different types of booting firmware on Alphas: SRM, >> 519 which is command line driven, and ARC, which uses menus and arrow >> 520 keys. Details about the Linux/Alpha booting process are contained in >> 521 the Linux/Alpha FAQ, accessible on the WWW from >> 522 <http://www.alphalinux.org/>. >> 523 >> 524 The usual way to load Linux on an Alpha machine is to use MILO >> 525 (a bootloader that lets you pass command line parameters to the >> 526 kernel just like lilo does for the x86 architecture) which can be >> 527 loaded either from ARC or can be installed directly as a permanent >> 528 firmware replacement from floppy (which requires changing a certain >> 529 jumper on the motherboard). If you want to do either of these, say N >> 530 here. If MILO doesn't work on your system (true for Jensen >> 531 motherboards), you can bypass it altogether and boot Linux directly >> 532 from an SRM console; say Y here in order to do that. Note that you >> 533 won't be able to boot from an IDE disk using SRM. 820 534 821 endmenu !! 535 If unsure, say N. >> 536 >> 537 config EISA >> 538 bool >> 539 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE >> 540 default y 822 541 823 config CCW !! 542 config ARCH_MAY_HAVE_PC_FDC 824 def_bool y 543 def_bool y 825 544 826 config HAVE_PNETID !! 545 config SMP 827 tristate !! 546 bool "Symmetric multi-processing support" 828 default (SMC || CCWGROUP) !! 547 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL >> 548 ---help--- >> 549 This enables support for systems with more than one CPU. If you have >> 550 a system with only one CPU, say N. If you have a system with more >> 551 than one CPU, say Y. >> 552 >> 553 If you say N here, the kernel will run on uni- and multiprocessor >> 554 machines, but will use only one CPU of a multiprocessor machine. If >> 555 you say Y here, the kernel will run on many, but not all, >> 556 uniprocessor machines. On a uniprocessor machine, the kernel >> 557 will run faster if you say N here. >> 558 >> 559 See also the SMP-HOWTO available at >> 560 <http://www.tldp.org/docs.html#howto>. >> 561 >> 562 If you don't know what to do here, say N. >> 563 >> 564 config HAVE_DEC_LOCK >> 565 bool >> 566 depends on SMP >> 567 default y 829 568 830 menu "Virtualization" !! 569 config NR_CPUS >> 570 int "Maximum number of CPUs (2-32)" >> 571 range 2 32 >> 572 depends on SMP >> 573 default "32" if ALPHA_GENERIC || ALPHA_MARVEL >> 574 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL >> 575 help >> 576 MARVEL support can handle a maximum of 32 CPUs, all the others >> 577 with working support have a maximum of 4 CPUs. >> 578 >> 579 config ARCH_DISCONTIGMEM_ENABLE >> 580 bool "Discontiguous Memory Support" >> 581 help >> 582 Say Y to support efficient handling of discontiguous physical memory, >> 583 for architectures which are either NUMA (Non-Uniform Memory Access) >> 584 or have huge holes in the physical address space for other reasons. >> 585 See <file:Documentation/vm/numa> for more. 831 586 832 config PFAULT !! 587 source "mm/Kconfig" 833 def_bool y << 834 prompt "Pseudo page fault support" << 835 help << 836 Select this option, if you want to u << 837 handling under VM. If running native << 838 has no effect. If your VM does not s << 839 pseudo page fault handling will be u << 840 Note that VM 4.2 supports PFAULT but << 841 implementation that causes some prob << 842 Everybody who wants to run Linux und << 843 this option. << 844 << 845 config CMM << 846 def_tristate n << 847 prompt "Cooperative memory management" << 848 help << 849 Select this option, if you want to e << 850 to reduce the memory size of the sys << 851 by allocating pages of memory and pu << 852 makes sense for a system running und << 853 will be reused by VM for other guest << 854 allows an external monitor to balanc << 855 Everybody who wants to run Linux und << 856 option. << 857 588 858 config CMM_IUCV !! 589 config NUMA 859 def_bool y !! 590 bool "NUMA Support (EXPERIMENTAL)" 860 prompt "IUCV special message interface !! 591 depends on DISCONTIGMEM && BROKEN 861 depends on CMM && (SMSGIUCV=y || CMM=S << 862 help 592 help 863 Select this option to enable the spe !! 593 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 864 the cooperative memory management. !! 594 Access). This option is for configuring high-end multiprocessor >> 595 server machines. If in doubt, say N. >> 596 >> 597 config ALPHA_WTINT >> 598 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC >> 599 default y if ALPHA_QEMU >> 600 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA) >> 601 default n if !ALPHA_SRM && !ALPHA_GENERIC >> 602 default y if SMP >> 603 ---help--- >> 604 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU >> 605 to sleep until the next interrupt. This may reduce the power >> 606 consumed, and the heat produced by the computer. However, it has >> 607 the side effect of making the cycle counter unreliable as a timing >> 608 device across the sleep. 865 609 866 config APPLDATA_BASE !! 610 For emulation under QEMU, definitely say Y here, as we have other 867 def_bool n !! 611 mechanisms for measuring time than the cycle counter. 868 prompt "Linux - VM Monitor Stream, bas << 869 depends on PROC_SYSCTL << 870 help << 871 This provides a kernel interface for << 872 monitor records. The monitor records << 873 intervals, once the timer is started << 874 Writing 1 or 0 to /proc/appldata/tim << 875 i.e. enables or disables monitoring << 876 A custom interval value (in seconds) << 877 /proc/appldata/interval. << 878 << 879 Defaults are 60 seconds interval and << 880 The /proc entries can also be read f << 881 << 882 config APPLDATA_MEM << 883 def_tristate m << 884 prompt "Monitor memory management stat << 885 depends on APPLDATA_BASE && VM_EVENT_C << 886 help << 887 This provides memory management rela << 888 Stream, like paging/swapping rate, m << 889 Writing 1 or 0 to /proc/appldata/mem << 890 APPLDATA monitor record, i.e. enable << 891 on the z/VM side. << 892 << 893 Default is disabled. << 894 The /proc entry can also be read fro << 895 << 896 This can also be compiled as a modul << 897 appldata_mem.o. << 898 << 899 config APPLDATA_OS << 900 def_tristate m << 901 prompt "Monitor OS statistics" << 902 depends on APPLDATA_BASE << 903 help << 904 This provides OS related data to the << 905 CPU utilisation, etc. << 906 Writing 1 or 0 to /proc/appldata/os << 907 APPLDATA monitor record, i.e. enable << 908 on the z/VM side. << 909 << 910 Default is disabled. << 911 This can also be compiled as a modul << 912 appldata_os.o. << 913 << 914 config APPLDATA_NET_SUM << 915 def_tristate m << 916 prompt "Monitor overall network statis << 917 depends on APPLDATA_BASE && NET << 918 help << 919 This provides network related data t << 920 currently there is only a total sum << 921 per-interface data. << 922 Writing 1 or 0 to /proc/appldata/net << 923 APPLDATA monitor record, i.e. enable << 924 on the z/VM side. << 925 << 926 Default is disabled. << 927 This can also be compiled as a modul << 928 appldata_net_sum.o. << 929 612 930 config S390_HYPFS !! 613 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running 931 def_bool y !! 614 MILO, sleep mode is not supported so you might as well say N here. 932 prompt "s390 hypervisor information" << 933 help << 934 This provides several binary files a << 935 provide accounting information in an << 936 615 937 config S390_HYPFS_FS !! 616 For SMP systems we cannot use the cycle counter for timing anyway, 938 def_bool n !! 617 so you might as well say Y here. 939 prompt "s390 hypervisor file system su << 940 select SYS_HYPERVISOR << 941 depends on S390_HYPFS << 942 help << 943 This is a virtual file system intend << 944 information in an s390 hypervisor en << 945 is deprecated and should not be used << 946 618 947 Say N if you are unsure. !! 619 If unsure, say N. 948 620 949 source "arch/s390/kvm/Kconfig" !! 621 config NODES_SHIFT >> 622 int >> 623 default "7" >> 624 depends on NEED_MULTIPLE_NODES 950 625 951 config S390_GUEST !! 626 # LARGE_VMALLOC is racy, if you *really* need it then fix it first 952 def_bool y !! 627 config ALPHA_LARGE_VMALLOC 953 prompt "s390 support for virtio device !! 628 bool 954 select TTY !! 629 ---help--- 955 select VIRTUALIZATION !! 630 Process creation and other aspects of virtual memory management can 956 select VIRTIO !! 631 be streamlined if we restrict the kernel to one PGD for all vmalloc 957 help !! 632 allocations. This equates to about 8GB. 958 Enabling this option adds support fo !! 633 959 drivers on s390. !! 634 Under normal circumstances, this is so far and above what is needed >> 635 as to be laughable. However, there are certain applications (such >> 636 as benchmark-grade in-kernel web serving) that can make use of as >> 637 much vmalloc space as is available. >> 638 >> 639 Say N unless you know you need gobs and gobs of vmalloc space. >> 640 >> 641 config VERBOSE_MCHECK >> 642 bool "Verbose Machine Checks" >> 643 >> 644 config VERBOSE_MCHECK_ON >> 645 int "Verbose Printing Mode (0=off, 1=on, 2=all)" >> 646 depends on VERBOSE_MCHECK >> 647 default 1 >> 648 ---help--- >> 649 This option allows the default printing mode to be set, and then >> 650 possibly overridden by a boot command argument. >> 651 >> 652 For example, if one wanted the option of printing verbose >> 653 machine checks, but wanted the default to be as if verbose >> 654 machine check printing was turned off, then one would choose >> 655 the printing mode to be 0. Then, upon reboot, one could add >> 656 the boot command line "verbose_mcheck=1" to get the normal >> 657 verbose machine check printing, or "verbose_mcheck=2" to get >> 658 the maximum information available. 960 659 961 Select this option if you want to ru !! 660 Take the default (1) unless you want more control or more info. 962 the KVM hypervisor. << 963 661 964 endmenu !! 662 choice >> 663 prompt "Timer interrupt frequency (HZ)?" >> 664 default HZ_128 if ALPHA_QEMU >> 665 default HZ_1200 if ALPHA_RAWHIDE >> 666 default HZ_1024 >> 667 ---help--- >> 668 The frequency at which timer interrupts occur. A high frequency >> 669 minimizes latency, whereas a low frequency minimizes overhead of >> 670 process accounting. The later effect is especially significant >> 671 when being run under QEMU. >> 672 >> 673 Note that some Alpha hardware cannot change the interrupt frequency >> 674 of the timer. If unsure, say 1024 (or 1200 for Rawhide). >> 675 >> 676 config HZ_32 >> 677 bool "32 Hz" >> 678 config HZ_64 >> 679 bool "64 Hz" >> 680 config HZ_128 >> 681 bool "128 Hz" >> 682 config HZ_256 >> 683 bool "256 Hz" >> 684 config HZ_1024 >> 685 bool "1024 Hz" >> 686 config HZ_1200 >> 687 bool "1200 Hz" >> 688 endchoice 965 689 966 config S390_MODULES_SANITY_TEST_HELPERS !! 690 config HZ 967 def_bool n !! 691 int >> 692 default 32 if HZ_32 >> 693 default 64 if HZ_64 >> 694 default 128 if HZ_128 >> 695 default 256 if HZ_256 >> 696 default 1200 if HZ_1200 >> 697 default 1024 >> 698 >> 699 source "drivers/pci/Kconfig" >> 700 source "drivers/eisa/Kconfig" >> 701 >> 702 source "drivers/pcmcia/Kconfig" >> 703 >> 704 config SRM_ENV >> 705 tristate "SRM environment through procfs" >> 706 depends on PROC_FS >> 707 ---help--- >> 708 If you enable this option, a subdirectory inside /proc called >> 709 /proc/srm_environment will give you access to the all important >> 710 SRM environment variables (those which have a name) and also >> 711 to all others (by their internal number). >> 712 >> 713 SRM is something like a BIOS for Alpha machines. There are some >> 714 other such BIOSes, like AlphaBIOS, which this driver cannot >> 715 support (hey, that's not SRM!). >> 716 >> 717 Despite the fact that this driver doesn't work on all Alphas (but >> 718 only on those which have SRM as their firmware), it's save to >> 719 build it even if your particular machine doesn't know about SRM >> 720 (or if you intend to compile a generic kernel). It will simply >> 721 not create those subdirectory in /proc (and give you some warning, >> 722 of course). 968 723 969 menu "Selftests" !! 724 This driver is also available as a module and will be called >> 725 srm_env then. 970 726 971 config S390_UNWIND_SELFTEST !! 727 source "fs/Kconfig.binfmt" 972 def_tristate n << 973 depends on KUNIT << 974 default KUNIT_ALL_TESTS << 975 prompt "Test unwind functions" << 976 help << 977 This option enables s390 specific st << 978 module. This option is not useful fo << 979 kernels, but only for kernel develop << 980 << 981 Say N if you are unsure. << 982 << 983 config S390_KPROBES_SANITY_TEST << 984 def_tristate n << 985 prompt "Enable s390 specific kprobes t << 986 depends on KPROBES << 987 depends on KUNIT << 988 help << 989 This option enables an s390 specific << 990 is not useful for distributions or g << 991 developers working on architecture c << 992 << 993 Say N if you are unsure. << 994 << 995 config S390_MODULES_SANITY_TEST << 996 def_tristate n << 997 depends on KUNIT << 998 default KUNIT_ALL_TESTS << 999 prompt "Enable s390 specific modules t << 1000 select S390_MODULES_SANITY_TEST_HELPE << 1001 help << 1002 This option enables an s390 specifi << 1003 not useful for distributions or gen << 1004 kernel developers working on archit << 1005 728 1006 Say N if you are unsure. << 1007 endmenu 729 endmenu >> 730 >> 731 source "net/Kconfig" >> 732 >> 733 source "drivers/Kconfig" >> 734 >> 735 source "fs/Kconfig" >> 736 >> 737 source "arch/alpha/Kconfig.debug" >> 738 >> 739 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig >> 740 # but we also need it if VGA_HOSE is set >> 741 config DUMMY_CONSOLE >> 742 bool >> 743 depends on VGA_HOSE >> 744 default y >> 745 >> 746 source "security/Kconfig" >> 747 >> 748 source "crypto/Kconfig" >> 749 >> 750 source "lib/Kconfig" >> 751
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.