1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0 2 config MMU !! 2 config ALPHA 3 def_bool y !! 3 bool >> 4 default y >> 5 select ARCH_MIGHT_HAVE_PC_PARPORT >> 6 select ARCH_MIGHT_HAVE_PC_SERIO >> 7 select ARCH_USE_CMPXCHG_LOCKREF >> 8 select HAVE_AOUT >> 9 select HAVE_IDE >> 10 select HAVE_OPROFILE >> 11 select HAVE_PCSPKR_PLATFORM >> 12 select HAVE_PERF_EVENTS >> 13 select VIRT_TO_BUS >> 14 select GENERIC_IRQ_PROBE >> 15 select AUTO_IRQ_AFFINITY if SMP >> 16 select GENERIC_IRQ_SHOW >> 17 select ARCH_WANT_IPC_PARSE_VERSION >> 18 select ARCH_HAVE_NMI_SAFE_CMPXCHG >> 19 select AUDIT_ARCH >> 20 select GENERIC_CLOCKEVENTS >> 21 select GENERIC_CPU_VULNERABILITIES >> 22 select GENERIC_SMP_IDLE_THREAD >> 23 select GENERIC_STRNCPY_FROM_USER >> 24 select GENERIC_STRNLEN_USER >> 25 select HAVE_ARCH_AUDITSYSCALL >> 26 select HAVE_MOD_ARCH_SPECIFIC >> 27 select MODULES_USE_ELF_RELA >> 28 select ODD_RT_SIGACTION >> 29 select OLD_SIGSUSPEND >> 30 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67 >> 31 help >> 32 The Alpha is a 64-bit general-purpose processor designed and >> 33 marketed by the Digital Equipment Corporation of blessed memory, >> 34 now Hewlett-Packard. The Alpha Linux project has a home page at >> 35 <http://www.alphalinux.org/>. 4 36 5 config CPU_BIG_ENDIAN !! 37 config 64BIT 6 def_bool y 38 def_bool y 7 39 8 config LOCKDEP_SUPPORT !! 40 config MMU 9 def_bool y !! 41 bool >> 42 default y 10 43 11 config STACKTRACE_SUPPORT !! 44 config RWSEM_GENERIC_SPINLOCK 12 def_bool y !! 45 bool >> 46 >> 47 config RWSEM_XCHGADD_ALGORITHM >> 48 bool >> 49 default y 13 50 14 config ARCH_HAS_ILOG2_U32 51 config ARCH_HAS_ILOG2_U32 15 def_bool n !! 52 bool >> 53 default n 16 54 17 config ARCH_HAS_ILOG2_U64 55 config ARCH_HAS_ILOG2_U64 18 def_bool n !! 56 bool 19 !! 57 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 58 35 config PGSTE !! 59 config GENERIC_CALIBRATE_DELAY 36 def_bool y if KVM !! 60 bool >> 61 default y 37 62 38 config AUDIT_ARCH !! 63 config ZONE_DMA 39 def_bool y !! 64 bool >> 65 default y 40 66 41 config NO_IOPORT_MAP !! 67 config ARCH_DMA_ADDR_T_64BIT 42 def_bool y 68 def_bool y 43 69 44 config PCI_QUIRKS !! 70 config NEED_DMA_MAP_STATE 45 def_bool n !! 71 def_bool y 46 72 47 config ARCH_SUPPORTS_UPROBES !! 73 config NEED_SG_DMA_LENGTH 48 def_bool y 74 def_bool y 49 75 50 config KASAN_SHADOW_OFFSET !! 76 config GENERIC_ISA_DMA 51 hex !! 77 bool 52 depends on KASAN !! 78 default y 53 default 0x1C000000000000 << 54 << 55 config S390 << 56 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 << 251 config SCHED_OMIT_FRAME_POINTER << 252 def_bool y << 253 79 254 config PGTABLE_LEVELS 80 config PGTABLE_LEVELS 255 int 81 int 256 default 5 !! 82 default 3 257 << 258 source "kernel/livepatch/Kconfig" << 259 83 260 config ARCH_SUPPORTS_KEXEC !! 84 source "init/Kconfig" 261 def_bool y !! 85 source "kernel/Kconfig.freezer" 262 86 263 config ARCH_SUPPORTS_KEXEC_FILE !! 87 config AUDIT_ARCH 264 def_bool y !! 88 bool 265 89 266 config ARCH_SUPPORTS_KEXEC_SIG !! 90 menu "System setup" 267 def_bool MODULE_SIG_FORMAT << 268 << 269 config ARCH_SUPPORTS_KEXEC_PURGATORY << 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 91 308 choice 92 choice 309 prompt "Processor type" !! 93 prompt "Alpha system type" 310 default MARCH_Z196 !! 94 default ALPHA_GENERIC >> 95 ---help--- >> 96 This is the system type of your hardware. A "generic" kernel will >> 97 run on any supported Alpha system. However, if you configure a >> 98 kernel for your specific system, it will be faster and smaller. 311 99 312 config MARCH_Z10 !! 100 To find out what type of Alpha system you have, you may want to 313 bool "IBM System z10" !! 101 check out the Linux/Alpha FAQ, accessible on the WWW from 314 select HAVE_MARCH_Z10_FEATURES !! 102 <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 << 373 endchoice << 374 103 375 config MARCH_Z10_TUNE !! 104 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366 376 def_bool TUNE_Z10 || MARCH_Z10 && TUNE !! 105 Alpha-XL XL-233, XL-266 >> 106 AlphaBook1 Alpha laptop >> 107 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400 >> 108 Cabriolet AlphaPC64, AlphaPCI64 >> 109 DP264 DP264 / DS20 / ES40 / DS10 / DS10L >> 110 EB164 EB164 21164 evaluation board >> 111 EB64+ EB64+ 21064 evaluation board >> 112 EB66 EB66 21066 evaluation board >> 113 EB66+ EB66+ 21066 evaluation board >> 114 Jensen DECpc 150, DEC 2000 models 300, 500 >> 115 LX164 AlphaPC164-LX >> 116 Lynx AS 2100A >> 117 Miata Personal Workstation 433/500/600 a/au >> 118 Marvel AlphaServer ES47 / ES80 / GS1280 >> 119 Mikasa AS 1000 >> 120 Noname AXPpci33, UDB (Multia) >> 121 Noritake AS 1000A, AS 600A, AS 800 >> 122 PC164 AlphaPC164 >> 123 Rawhide AS 1200, AS 4000, AS 4100 >> 124 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX >> 125 SX164 AlphaPC164-SX >> 126 Sable AS 2000, AS 2100 >> 127 Shark DS 20L >> 128 Takara Takara (OEM) >> 129 Titan AlphaServer ES45 / DS25 / DS15 >> 130 Wildfire AlphaServer GS 40/80/160/320 377 131 378 config MARCH_Z196_TUNE !! 132 If you don't know what to do, choose "generic". 379 def_bool TUNE_Z196 || MARCH_Z196 && TU << 380 133 381 config MARCH_ZEC12_TUNE !! 134 config ALPHA_GENERIC 382 def_bool TUNE_ZEC12 || MARCH_ZEC12 && !! 135 bool "Generic" >> 136 depends on TTY >> 137 help >> 138 A generic kernel will run on all supported Alpha hardware. 383 139 384 config MARCH_Z13_TUNE !! 140 config ALPHA_ALCOR 385 def_bool TUNE_Z13 || MARCH_Z13 && TUNE !! 141 bool "Alcor/Alpha-XLT" >> 142 help >> 143 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data >> 144 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O >> 145 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM >> 146 controller (256-bit memory bus) and a PCI interface. It also does >> 147 all the work required to support an external Bcache and to maintain >> 148 memory coherence when a PCI device DMAs into (or out of) memory. 386 149 387 config MARCH_Z14_TUNE !! 150 config ALPHA_XL 388 def_bool TUNE_Z14 || MARCH_Z14 && TUNE !! 151 bool "Alpha-XL" >> 152 help >> 153 XL-233 and XL-266-based Alpha systems. 389 154 390 config MARCH_Z15_TUNE !! 155 config ALPHA_BOOK1 391 def_bool TUNE_Z15 || MARCH_Z15 && TUNE !! 156 bool "AlphaBook1" >> 157 help >> 158 Dec AlphaBook1/Burns Alpha-based laptops. 392 159 393 config MARCH_Z16_TUNE !! 160 config ALPHA_AVANTI_CH 394 def_bool TUNE_Z16 || MARCH_Z16 && TUNE !! 161 bool "Avanti" 395 162 396 choice !! 163 config ALPHA_CABRIOLET 397 prompt "Tune code generation" !! 164 bool "Cabriolet" 398 default TUNE_DEFAULT << 399 help 165 help 400 Cause the compiler to tune (-mtune) !! 166 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now 401 This will make the code run faster o !! 167 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA 402 somewhat slower on other machines. !! 168 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in 403 This option only changes how the com !! 169 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) << 439 170 440 endchoice !! 171 config ALPHA_DP264 >> 172 bool "DP264" >> 173 help >> 174 Various 21264 systems with the tsunami core logic chipset. >> 175 API Networks: 264DP, UP2000(+), CS20; >> 176 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40. 441 177 442 config 64BIT !! 178 config ALPHA_EB164 443 def_bool y !! 179 bool "EB164" >> 180 help >> 181 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has >> 182 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is >> 183 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in >> 184 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD, >> 185 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized >> 186 motherboard. Requires power supply with 3.3V output. 444 187 445 config COMMAND_LINE_SIZE !! 188 config ALPHA_EB64P_CH 446 int "Maximum size of kernel command li !! 189 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. << 466 190 467 If unsure say N. !! 191 config ALPHA_EB66 >> 192 bool "EB66" >> 193 help >> 194 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is >> 195 identical to EB64+. Baby PC-AT size. Runs from standard PC power >> 196 supply. The EB66 schematic was published as a marketing poster >> 197 advertising the 21066 as "the first microprocessor in the world with >> 198 embedded PCI". 468 199 469 config SMP !! 200 config ALPHA_EB66P 470 def_bool y !! 201 bool "EB66+" >> 202 help >> 203 Later variant of the EB66 board. 471 204 472 config NR_CPUS !! 205 config ALPHA_EIGER 473 int "Maximum number of CPUs (2-512)" !! 206 bool "Eiger" 474 range 2 512 !! 207 help 475 default "64" !! 208 Apparently an obscure OEM single-board computer based on the 476 help !! 209 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 << 480 210 481 This is purely to save memory - each !! 211 config ALPHA_JENSEN 482 approximately sixteen kilobytes to t !! 212 bool "Jensen" >> 213 depends on BROKEN >> 214 select DMA_DIRECT_OPS >> 215 help >> 216 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one >> 217 of the first-generation Alpha systems. A number of these systems >> 218 seem to be available on the second- hand market. The Jensen is a >> 219 floor-standing tower system which originally used a 150MHz 21064 It >> 220 used programmable logic to interface a 486 EISA I/O bridge to the >> 221 CPU. 483 222 484 config HOTPLUG_CPU !! 223 config ALPHA_LX164 485 def_bool y !! 224 bool "LX164" >> 225 help >> 226 A technical overview of this board is available at >> 227 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>. 486 228 487 config NUMA !! 229 config ALPHA_LYNX 488 bool "NUMA support" !! 230 bool "Lynx" 489 depends on SCHED_TOPOLOGY << 490 default n << 491 help 231 help 492 Enable NUMA support !! 232 AlphaServer 2100A-based systems. 493 233 494 This option adds NUMA support to the !! 234 config ALPHA_MARVEL >> 235 bool "Marvel" >> 236 help >> 237 AlphaServer ES47 / ES80 / GS1280 based on EV7. 495 238 496 config NODES_SHIFT !! 239 config ALPHA_MIATA 497 int !! 240 bool "Miata" 498 depends on NUMA !! 241 help 499 default "1" !! 242 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a, >> 243 or 600au). 500 244 501 config SCHED_SMT !! 245 config ALPHA_MIKASA 502 def_bool n !! 246 bool "Mikasa" >> 247 help >> 248 AlphaServer 1000-based Alpha systems. 503 249 504 config SCHED_MC !! 250 config ALPHA_NAUTILUS 505 def_bool n !! 251 bool "Nautilus" >> 252 help >> 253 Alpha systems based on the AMD 751 & ALI 1543C chipsets. 506 254 507 config SCHED_TOPOLOGY !! 255 config ALPHA_NONAME_CH 508 def_bool y !! 256 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. << 516 257 517 config SCHED_TOPOLOGY_VERTICAL !! 258 config ALPHA_NORITAKE 518 def_bool y !! 259 bool "Noritake" 519 bool "Use vertical CPU polarization by << 520 depends on SCHED_TOPOLOGY << 521 help 260 help 522 Use vertical CPU polarization by def !! 261 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based 523 The default CPU polarization is hori !! 262 systems. 524 263 525 config HIPERDISPATCH_ON !! 264 config ALPHA_PC164 526 def_bool y !! 265 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. << 558 266 559 With the option enabled the kernel p !! 267 config ALPHA_P2K 560 can be used to run the kernel in the !! 268 bool "Platform2000" 561 269 562 With the option disabled the modifie !! 270 config ALPHA_RAWHIDE 563 enabled with the "nobp=1" kernel par !! 271 bool "Rawhide" >> 272 help >> 273 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines. >> 274 See HOWTO at >> 275 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>. 564 276 565 If unsure, say N. !! 277 config ALPHA_RUFFIAN >> 278 bool "Ruffian" >> 279 help >> 280 Samsung APC164UX. There is a page on known problems and workarounds >> 281 at <http://www.alphalinux.org/faq/FAQ-11.html>. 566 282 567 config EXPOLINE !! 283 config ALPHA_RX164 568 def_bool n !! 284 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 << 577 285 578 If unsure, say N. !! 286 config ALPHA_SX164 >> 287 bool "SX164" 579 288 580 config EXPOLINE_EXTERN !! 289 config ALPHA_SABLE 581 def_bool EXPOLINE && CC_IS_GCC && GCC_ !! 290 bool "Sable" 582 $(success,$(srctree)/arch/s39 !! 291 help 583 help !! 292 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 << 588 293 589 choice !! 294 config ALPHA_SHARK 590 prompt "Expoline default" !! 295 bool "Shark" 591 depends on EXPOLINE << 592 default EXPOLINE_FULL << 593 296 594 config EXPOLINE_OFF !! 297 config ALPHA_TAKARA 595 bool "spectre_v2=off" !! 298 bool "Takara" >> 299 help >> 300 Alpha 11164-based OEM single-board computer. 596 301 597 config EXPOLINE_AUTO !! 302 config ALPHA_TITAN 598 bool "spectre_v2=auto" !! 303 bool "Titan" >> 304 help >> 305 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset. 599 306 600 config EXPOLINE_FULL !! 307 config ALPHA_WILDFIRE 601 bool "spectre_v2=on" !! 308 bool "Wildfire" >> 309 help >> 310 AlphaServer GS 40/80/160/320 SMP based on the EV67 core. 602 311 603 endchoice 312 endchoice 604 313 605 config RELOCATABLE !! 314 # clear all implied options (don't want default values for those): 606 def_bool y !! 315 # Most of these machines have ISA slots; not exactly sure which don't, >> 316 # and this doesn't activate hordes of code, so do it always. >> 317 config ISA >> 318 bool >> 319 default y 607 help 320 help 608 This builds a kernel image that reta !! 321 Find out whether you have ISA slots on your motherboard. ISA is the 609 so it can be loaded at an arbitrary !! 322 name of a bus system, i.e. the way the CPU talks to the other stuff 610 The relocations make the kernel imag !! 323 inside your box. Other bus systems are PCI, EISA, MicroChannel 611 10%), but are discarded at runtime. !! 324 (MCA) or VESA. ISA is an older system, now being displaced by PCI; 612 Note: this option exists only for do !! 325 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 << 655 326 656 endmenu !! 327 config ISA_DMA_API >> 328 bool >> 329 default y 657 330 658 menu "Memory setup" !! 331 config PCI >> 332 bool >> 333 depends on !ALPHA_JENSEN >> 334 select GENERIC_PCI_IOMAP >> 335 default y >> 336 help >> 337 Find out whether you have a PCI motherboard. PCI is the name of a >> 338 bus system, i.e. the way the CPU talks to the other stuff inside >> 339 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or >> 340 VESA. If you have PCI, say Y, otherwise N. 659 341 660 config ARCH_SPARSEMEM_ENABLE !! 342 config PCI_DOMAINS 661 def_bool y !! 343 bool 662 select SPARSEMEM_VMEMMAP_ENABLE !! 344 default y 663 select SPARSEMEM_VMEMMAP << 664 345 665 config ARCH_SPARSEMEM_DEFAULT !! 346 config PCI_SYSCALL 666 def_bool y !! 347 def_bool PCI 667 348 668 config MAX_PHYSMEM_BITS !! 349 config IOMMU_HELPER 669 int "Maximum size of supported physica !! 350 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 << 677 351 678 config CHECK_STACK !! 352 config ALPHA_NONAME 679 def_bool y !! 353 bool 680 depends on !VMAP_STACK !! 354 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH 681 prompt "Detect kernel stack overflow" !! 355 default y 682 help 356 help 683 This option enables the compiler opt !! 357 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia 684 -mstack-size if they are available. !! 358 UDB). This design was produced by Digital's Technical OEM (TOEM) 685 it will emit additional code to each !! 359 group. It uses the 21066 processor running at 166MHz or 233MHz. It 686 an illegal operation if the kernel s !! 360 is a baby-AT size, and runs from a standard PC power supply. It has 687 !! 361 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are 688 Say N if you are unsure. !! 362 2 versions, with either PS/2 or large DIN connectors for the 689 !! 363 keyboard. 690 config STACK_GUARD !! 364 691 int "Size of the guard area (128-1024) !! 365 config ALPHA_EV4 692 range 128 1024 !! 366 bool 693 depends on CHECK_STACK !! 367 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" !! 368 default y if !ALPHA_LYNX 695 help !! 369 696 This allows you to specify the size !! 370 config ALPHA_LCA 697 end of the kernel stack. If the kern !! 371 bool 698 area on function entry an illegal op !! 372 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K 699 needs to be a power of 2. Please kee !! 373 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 << 705 374 706 menu "I/O subsystem" !! 375 config ALPHA_APECS >> 376 bool >> 377 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL >> 378 default y 707 379 708 config QDIO !! 380 config ALPHA_EB64P 709 def_tristate y !! 381 bool 710 prompt "QDIO support" !! 382 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH >> 383 default y 711 help 384 help 712 This driver provides the Queued Dire !! 385 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA, 713 IBM System z. !! 386 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs. >> 387 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI >> 388 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style), >> 389 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size. >> 390 Runs from standard PC power supply. >> 391 >> 392 config ALPHA_EV5 >> 393 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX >> 394 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 >> 395 >> 396 config ALPHA_EV4 >> 397 bool >> 398 default y if ALPHA_LYNX && !ALPHA_EV5 >> 399 >> 400 config ALPHA_CIA >> 401 bool >> 402 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 >> 403 default y 714 404 715 To compile this driver as a module, !! 405 config ALPHA_EV56 716 module will be called qdio. !! 406 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR >> 407 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA 717 408 718 If unsure, say Y. !! 409 config ALPHA_EV56 >> 410 prompt "EV56 CPU (speed >= 333MHz)?" >> 411 depends on ALPHA_NORITAKE || ALPHA_PRIMO 719 412 720 if PCI !! 413 config ALPHA_EV56 >> 414 prompt "EV56 CPU (speed >= 400MHz)?" >> 415 depends on ALPHA_RAWHIDE 721 416 722 config PCI_NR_FUNCTIONS !! 417 config ALPHA_PRIMO 723 int "Maximum number of PCI functions ( !! 418 bool "EV5 CPU daughtercard (model 5/xxx)?" 724 range 1 4096 !! 419 depends on ALPHA_NORITAKE || ALPHA_MIKASA 725 default "512" << 726 help 420 help 727 This allows you to specify the maxim !! 421 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx. 728 this kernel will support. << 729 422 730 endif # PCI !! 423 config ALPHA_GAMMA >> 424 bool "EV5 CPU(s) (model 5/xxx)?" >> 425 depends on ALPHA_SABLE >> 426 help >> 427 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx. 731 428 732 config HAS_IOMEM !! 429 config ALPHA_GAMMA 733 def_bool PCI !! 430 bool >> 431 depends on ALPHA_LYNX >> 432 default y 734 433 735 config CHSC_SCH !! 434 config ALPHA_T2 736 def_tristate m !! 435 bool 737 prompt "Support for CHSC subchannels" !! 436 depends on ALPHA_SABLE || ALPHA_LYNX 738 help !! 437 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 << 746 438 747 To compile this driver as a module, !! 439 config ALPHA_PYXIS 748 module will be called chsc_sch. !! 440 bool >> 441 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN >> 442 default y 749 443 750 If unsure, say N. !! 444 config ALPHA_EV6 >> 445 bool >> 446 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL >> 447 default y 751 448 752 config SCM_BUS !! 449 config ALPHA_TSUNAMI 753 def_bool y !! 450 bool 754 prompt "SCM bus driver" !! 451 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER 755 help !! 452 default y 756 Bus driver for Storage Class Memory. << 757 453 758 config EADM_SCH !! 454 config ALPHA_EV67 759 def_tristate m !! 455 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER 760 prompt "Support for EADM subchannels" !! 456 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL 761 depends on SCM_BUS !! 457 help 762 help !! 458 Is this a machine based on the EV67 core? If in doubt, select N here 763 This driver allows usage of EADM sub !! 459 and the machine will be treated as an EV6. 764 as a communication vehicle for SCM i !! 460 >> 461 config ALPHA_MCPCIA >> 462 bool >> 463 depends on ALPHA_RAWHIDE >> 464 default y 765 465 766 To compile this driver as a module, !! 466 config ALPHA_POLARIS 767 module will be called eadm_sch. !! 467 bool >> 468 depends on ALPHA_RX164 >> 469 default y 768 470 769 config AP !! 471 config ALPHA_IRONGATE 770 def_tristate y !! 472 bool 771 prompt "Support for Adjunct Processors !! 473 depends on ALPHA_NAUTILUS 772 help !! 474 default y 773 This driver allows usage to Adjunct << 774 the ap bus, cards and queues. Suppor << 775 the CryptoExpress Cards (CEX). << 776 475 777 To compile this driver as a module, !! 476 config GENERIC_HWEIGHT 778 module will be called ap. !! 477 bool >> 478 default y if !ALPHA_EV67 779 479 780 If unsure, say Y (default). !! 480 config ALPHA_AVANTI >> 481 bool >> 482 depends on ALPHA_XL || ALPHA_AVANTI_CH >> 483 default y >> 484 help >> 485 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based >> 486 Alphas. Info at >> 487 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>. >> 488 >> 489 config ALPHA_BROKEN_IRQ_MASK >> 490 bool >> 491 depends on ALPHA_GENERIC || ALPHA_PC164 >> 492 default y 781 493 782 config AP_DEBUG !! 494 config VGA_HOSE 783 def_bool n !! 495 bool 784 prompt "Enable debug features for Adju !! 496 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI) 785 depends on AP !! 497 default y 786 help 498 help 787 Say 'Y' here to enable some addition !! 499 Support VGA on an arbitrary hose; needed for several platforms 788 Processor (ap) devices. !! 500 which always have multiple hoses, and whose consoles support it. 789 501 790 There will be some more sysfs attrib << 791 502 792 Do not enable on production level ke !! 503 config ALPHA_QEMU >> 504 bool "Run under QEMU emulation" >> 505 depends on !ALPHA_GENERIC >> 506 ---help--- >> 507 Assume the presence of special features supported by QEMU PALcode >> 508 that reduce the overhead of system emulation. >> 509 >> 510 Generic kernels will auto-detect QEMU. But when building a >> 511 system-specific kernel, the assumption is that we want to >> 512 eliminate as many runtime tests as possible. 793 513 794 If unsure, say N. 514 If unsure, say N. 795 515 796 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 << 817 516 818 To compile this driver as a module, !! 517 config ALPHA_SRM 819 will be called vfio_ap. !! 518 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 >> 519 depends on TTY >> 520 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 >> 521 ---help--- >> 522 There are two different types of booting firmware on Alphas: SRM, >> 523 which is command line driven, and ARC, which uses menus and arrow >> 524 keys. Details about the Linux/Alpha booting process are contained in >> 525 the Linux/Alpha FAQ, accessible on the WWW from >> 526 <http://www.alphalinux.org/>. >> 527 >> 528 The usual way to load Linux on an Alpha machine is to use MILO >> 529 (a bootloader that lets you pass command line parameters to the >> 530 kernel just like lilo does for the x86 architecture) which can be >> 531 loaded either from ARC or can be installed directly as a permanent >> 532 firmware replacement from floppy (which requires changing a certain >> 533 jumper on the motherboard). If you want to do either of these, say N >> 534 here. If MILO doesn't work on your system (true for Jensen >> 535 motherboards), you can bypass it altogether and boot Linux directly >> 536 from an SRM console; say Y here in order to do that. Note that you >> 537 won't be able to boot from an IDE disk using SRM. 820 538 821 endmenu !! 539 If unsure, say N. >> 540 >> 541 config EISA >> 542 bool >> 543 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE >> 544 default y 822 545 823 config CCW !! 546 config ARCH_MAY_HAVE_PC_FDC 824 def_bool y 547 def_bool y 825 548 826 config HAVE_PNETID !! 549 config SMP 827 tristate !! 550 bool "Symmetric multi-processing support" 828 default (SMC || CCWGROUP) !! 551 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL >> 552 ---help--- >> 553 This enables support for systems with more than one CPU. If you have >> 554 a system with only one CPU, say N. If you have a system with more >> 555 than one CPU, say Y. >> 556 >> 557 If you say N here, the kernel will run on uni- and multiprocessor >> 558 machines, but will use only one CPU of a multiprocessor machine. If >> 559 you say Y here, the kernel will run on many, but not all, >> 560 uniprocessor machines. On a uniprocessor machine, the kernel >> 561 will run faster if you say N here. >> 562 >> 563 See also the SMP-HOWTO available at >> 564 <http://www.tldp.org/docs.html#howto>. >> 565 >> 566 If you don't know what to do here, say N. >> 567 >> 568 config HAVE_DEC_LOCK >> 569 bool >> 570 depends on SMP >> 571 default y 829 572 830 menu "Virtualization" !! 573 config NR_CPUS >> 574 int "Maximum number of CPUs (2-32)" >> 575 range 2 32 >> 576 depends on SMP >> 577 default "32" if ALPHA_GENERIC || ALPHA_MARVEL >> 578 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL >> 579 help >> 580 MARVEL support can handle a maximum of 32 CPUs, all the others >> 581 with working support have a maximum of 4 CPUs. >> 582 >> 583 config ARCH_DISCONTIGMEM_ENABLE >> 584 bool "Discontiguous Memory Support" >> 585 help >> 586 Say Y to support efficient handling of discontiguous physical memory, >> 587 for architectures which are either NUMA (Non-Uniform Memory Access) >> 588 or have huge holes in the physical address space for other reasons. >> 589 See <file:Documentation/vm/numa> for more. 831 590 832 config PFAULT !! 591 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. << 857 592 858 config CMM_IUCV !! 593 config NUMA 859 def_bool y !! 594 bool "NUMA Support (EXPERIMENTAL)" 860 prompt "IUCV special message interface !! 595 depends on DISCONTIGMEM && BROKEN 861 depends on CMM && (SMSGIUCV=y || CMM=S << 862 help 596 help 863 Select this option to enable the spe !! 597 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 864 the cooperative memory management. !! 598 Access). This option is for configuring high-end multiprocessor >> 599 server machines. If in doubt, say N. >> 600 >> 601 config ALPHA_WTINT >> 602 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC >> 603 default y if ALPHA_QEMU >> 604 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA) >> 605 default n if !ALPHA_SRM && !ALPHA_GENERIC >> 606 default y if SMP >> 607 ---help--- >> 608 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU >> 609 to sleep until the next interrupt. This may reduce the power >> 610 consumed, and the heat produced by the computer. However, it has >> 611 the side effect of making the cycle counter unreliable as a timing >> 612 device across the sleep. 865 613 866 config APPLDATA_BASE !! 614 For emulation under QEMU, definitely say Y here, as we have other 867 def_bool n !! 615 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. << 929 616 930 config S390_HYPFS !! 617 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running 931 def_bool y !! 618 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 << 936 619 937 config S390_HYPFS_FS !! 620 For SMP systems we cannot use the cycle counter for timing anyway, 938 def_bool n !! 621 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 << 946 622 947 Say N if you are unsure. !! 623 If unsure, say N. 948 624 949 source "arch/s390/kvm/Kconfig" !! 625 config NODES_SHIFT >> 626 int >> 627 default "7" >> 628 depends on NEED_MULTIPLE_NODES 950 629 951 config S390_GUEST !! 630 # LARGE_VMALLOC is racy, if you *really* need it then fix it first 952 def_bool y !! 631 config ALPHA_LARGE_VMALLOC 953 prompt "s390 support for virtio device !! 632 bool 954 select TTY !! 633 ---help--- 955 select VIRTUALIZATION !! 634 Process creation and other aspects of virtual memory management can 956 select VIRTIO !! 635 be streamlined if we restrict the kernel to one PGD for all vmalloc 957 help !! 636 allocations. This equates to about 8GB. 958 Enabling this option adds support fo !! 637 959 drivers on s390. !! 638 Under normal circumstances, this is so far and above what is needed >> 639 as to be laughable. However, there are certain applications (such >> 640 as benchmark-grade in-kernel web serving) that can make use of as >> 641 much vmalloc space as is available. >> 642 >> 643 Say N unless you know you need gobs and gobs of vmalloc space. >> 644 >> 645 config VERBOSE_MCHECK >> 646 bool "Verbose Machine Checks" >> 647 >> 648 config VERBOSE_MCHECK_ON >> 649 int "Verbose Printing Mode (0=off, 1=on, 2=all)" >> 650 depends on VERBOSE_MCHECK >> 651 default 1 >> 652 ---help--- >> 653 This option allows the default printing mode to be set, and then >> 654 possibly overridden by a boot command argument. >> 655 >> 656 For example, if one wanted the option of printing verbose >> 657 machine checks, but wanted the default to be as if verbose >> 658 machine check printing was turned off, then one would choose >> 659 the printing mode to be 0. Then, upon reboot, one could add >> 660 the boot command line "verbose_mcheck=1" to get the normal >> 661 verbose machine check printing, or "verbose_mcheck=2" to get >> 662 the maximum information available. 960 663 961 Select this option if you want to ru !! 664 Take the default (1) unless you want more control or more info. 962 the KVM hypervisor. << 963 665 964 endmenu !! 666 choice >> 667 prompt "Timer interrupt frequency (HZ)?" >> 668 default HZ_128 if ALPHA_QEMU >> 669 default HZ_1200 if ALPHA_RAWHIDE >> 670 default HZ_1024 >> 671 ---help--- >> 672 The frequency at which timer interrupts occur. A high frequency >> 673 minimizes latency, whereas a low frequency minimizes overhead of >> 674 process accounting. The later effect is especially significant >> 675 when being run under QEMU. >> 676 >> 677 Note that some Alpha hardware cannot change the interrupt frequency >> 678 of the timer. If unsure, say 1024 (or 1200 for Rawhide). >> 679 >> 680 config HZ_32 >> 681 bool "32 Hz" >> 682 config HZ_64 >> 683 bool "64 Hz" >> 684 config HZ_128 >> 685 bool "128 Hz" >> 686 config HZ_256 >> 687 bool "256 Hz" >> 688 config HZ_1024 >> 689 bool "1024 Hz" >> 690 config HZ_1200 >> 691 bool "1200 Hz" >> 692 endchoice 965 693 966 config S390_MODULES_SANITY_TEST_HELPERS !! 694 config HZ 967 def_bool n !! 695 int >> 696 default 32 if HZ_32 >> 697 default 64 if HZ_64 >> 698 default 128 if HZ_128 >> 699 default 256 if HZ_256 >> 700 default 1200 if HZ_1200 >> 701 default 1024 >> 702 >> 703 source "drivers/pci/Kconfig" >> 704 source "drivers/eisa/Kconfig" >> 705 >> 706 source "drivers/pcmcia/Kconfig" >> 707 >> 708 config SRM_ENV >> 709 tristate "SRM environment through procfs" >> 710 depends on PROC_FS >> 711 ---help--- >> 712 If you enable this option, a subdirectory inside /proc called >> 713 /proc/srm_environment will give you access to the all important >> 714 SRM environment variables (those which have a name) and also >> 715 to all others (by their internal number). >> 716 >> 717 SRM is something like a BIOS for Alpha machines. There are some >> 718 other such BIOSes, like AlphaBIOS, which this driver cannot >> 719 support (hey, that's not SRM!). >> 720 >> 721 Despite the fact that this driver doesn't work on all Alphas (but >> 722 only on those which have SRM as their firmware), it's save to >> 723 build it even if your particular machine doesn't know about SRM >> 724 (or if you intend to compile a generic kernel). It will simply >> 725 not create those subdirectory in /proc (and give you some warning, >> 726 of course). 968 727 969 menu "Selftests" !! 728 This driver is also available as a module and will be called >> 729 srm_env then. 970 730 971 config S390_UNWIND_SELFTEST !! 731 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 732 1006 Say N if you are unsure. << 1007 endmenu 733 endmenu >> 734 >> 735 source "net/Kconfig" >> 736 >> 737 source "drivers/Kconfig" >> 738 >> 739 source "fs/Kconfig" >> 740 >> 741 source "arch/alpha/Kconfig.debug" >> 742 >> 743 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig >> 744 # but we also need it if VGA_HOSE is set >> 745 config DUMMY_CONSOLE >> 746 bool >> 747 depends on VGA_HOSE >> 748 default y >> 749 >> 750 source "security/Kconfig" >> 751 >> 752 source "crypto/Kconfig" >> 753 >> 754 source "lib/Kconfig" >> 755
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