1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
2 config MMU !! 2 # For a description of the syntax of this configuration file,
3 def_bool y !! 3 # see Documentation/kbuild/kconfig-language.txt.
>> 4 #
>> 5 config ALPHA
>> 6 bool
>> 7 default y
>> 8 select HAVE_AOUT
>> 9 select HAVE_IDE
>> 10 select HAVE_OPROFILE
>> 11 select HAVE_SYSCALL_WRAPPERS
>> 12 help
>> 13 The Alpha is a 64-bit general-purpose processor designed and
>> 14 marketed by the Digital Equipment Corporation of blessed memory,
>> 15 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 16 <http://www.alphalinux.org/>.
4 17
5 config CPU_BIG_ENDIAN !! 18 config 64BIT
6 def_bool y 19 def_bool y
7 20
8 config LOCKDEP_SUPPORT !! 21 config MMU
9 def_bool y !! 22 bool
>> 23 default y
10 24
11 config STACKTRACE_SUPPORT !! 25 config RWSEM_GENERIC_SPINLOCK
12 def_bool y !! 26 bool
>> 27
>> 28 config RWSEM_XCHGADD_ALGORITHM
>> 29 bool
>> 30 default y
13 31
14 config ARCH_HAS_ILOG2_U32 32 config ARCH_HAS_ILOG2_U32
15 def_bool n !! 33 bool
>> 34 default n
16 35
17 config ARCH_HAS_ILOG2_U64 36 config ARCH_HAS_ILOG2_U64
18 def_bool n !! 37 bool
19 !! 38 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 39
26 config GENERIC_BUG !! 40 config GENERIC_FIND_NEXT_BIT
27 def_bool y if BUG !! 41 bool
>> 42 default y
28 43
29 config GENERIC_BUG_RELATIVE_POINTERS !! 44 config GENERIC_CALIBRATE_DELAY
30 def_bool y !! 45 bool
>> 46 default y
31 47
32 config GENERIC_LOCKBREAK !! 48 config GENERIC_TIME
33 def_bool y if PREEMPTION !! 49 bool
>> 50 default y
34 51
35 config PGSTE !! 52 config ARCH_USES_GETTIMEOFFSET
36 def_bool y if KVM !! 53 bool
>> 54 default y
37 55
38 config AUDIT_ARCH !! 56 config ZONE_DMA
39 def_bool y !! 57 bool
>> 58 default y
40 59
41 config NO_IOPORT_MAP !! 60 config GENERIC_ISA_DMA
42 def_bool y !! 61 bool
>> 62 default y
43 63
44 config PCI_QUIRKS !! 64 config GENERIC_IOMAP
45 def_bool n !! 65 bool
>> 66 default n
46 67
47 config ARCH_SUPPORTS_UPROBES !! 68 config GENERIC_HARDIRQS
48 def_bool y !! 69 bool
>> 70 default y
49 71
50 config KASAN_SHADOW_OFFSET !! 72 config GENERIC_IRQ_PROBE
51 hex !! 73 bool
52 depends on KASAN !! 74 default y
53 default 0x1C000000000000 <<
54 75
55 config S390 !! 76 config AUTO_IRQ_AFFINITY
56 def_bool y !! 77 bool
57 # !! 78 depends on SMP
58 # Note: keep this list sorted alphabet !! 79 default y
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 80
251 config SCHED_OMIT_FRAME_POINTER !! 81 source "init/Kconfig"
252 def_bool y !! 82 source "kernel/Kconfig.freezer"
253 83
254 config PGTABLE_LEVELS <<
255 int <<
256 default 5 <<
257 84
258 source "kernel/livepatch/Kconfig" !! 85 menu "System setup"
259 86
260 config ARCH_SUPPORTS_KEXEC !! 87 choice
261 def_bool y !! 88 prompt "Alpha system type"
>> 89 default ALPHA_GENERIC
>> 90 ---help---
>> 91 This is the system type of your hardware. A "generic" kernel will
>> 92 run on any supported Alpha system. However, if you configure a
>> 93 kernel for your specific system, it will be faster and smaller.
262 94
263 config ARCH_SUPPORTS_KEXEC_FILE !! 95 To find out what type of Alpha system you have, you may want to
264 def_bool y !! 96 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 97 <http://www.alphalinux.org/>. In summary:
265 98
266 config ARCH_SUPPORTS_KEXEC_SIG !! 99 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
267 def_bool MODULE_SIG_FORMAT !! 100 Alpha-XL XL-233, XL-266
>> 101 AlphaBook1 Alpha laptop
>> 102 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 103 Cabriolet AlphaPC64, AlphaPCI64
>> 104 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 105 EB164 EB164 21164 evaluation board
>> 106 EB64+ EB64+ 21064 evaluation board
>> 107 EB66 EB66 21066 evaluation board
>> 108 EB66+ EB66+ 21066 evaluation board
>> 109 Jensen DECpc 150, DEC 2000 models 300, 500
>> 110 LX164 AlphaPC164-LX
>> 111 Lynx AS 2100A
>> 112 Miata Personal Workstation 433/500/600 a/au
>> 113 Marvel AlphaServer ES47 / ES80 / GS1280
>> 114 Mikasa AS 1000
>> 115 Noname AXPpci33, UDB (Multia)
>> 116 Noritake AS 1000A, AS 600A, AS 800
>> 117 PC164 AlphaPC164
>> 118 Rawhide AS 1200, AS 4000, AS 4100
>> 119 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 120 SX164 AlphaPC164-SX
>> 121 Sable AS 2000, AS 2100
>> 122 Shark DS 20L
>> 123 Takara Takara (OEM)
>> 124 Titan AlphaServer ES45 / DS25 / DS15
>> 125 Wildfire AlphaServer GS 40/80/160/320
268 126
269 config ARCH_SUPPORTS_KEXEC_PURGATORY !! 127 If you don't know what to do, choose "generic".
270 def_bool y <<
271 128
272 config ARCH_SUPPORTS_CRASH_DUMP !! 129 config ALPHA_GENERIC
273 def_bool y !! 130 bool "Generic"
274 help 131 help
275 Refer to <file:Documentation/arch/s3 !! 132 A generic kernel will run on all supported Alpha hardware.
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 <<
307 133
308 choice !! 134 config ALPHA_ALCOR
309 prompt "Processor type" !! 135 bool "Alcor/Alpha-XLT"
310 default MARCH_Z196 !! 136 help
>> 137 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 138 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 139 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 140 controller (256-bit memory bus) and a PCI interface. It also does
>> 141 all the work required to support an external Bcache and to maintain
>> 142 memory coherence when a PCI device DMAs into (or out of) memory.
311 143
312 config MARCH_Z10 !! 144 config ALPHA_XL
313 bool "IBM System z10" !! 145 bool "Alpha-XL"
314 select HAVE_MARCH_Z10_FEATURES <<
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 146 help
370 Select this to enable optimizations !! 147 XL-233 and XL-266-based Alpha systems.
371 3932 series). <<
372 148
373 endchoice !! 149 config ALPHA_BOOK1
>> 150 bool "AlphaBook1"
>> 151 help
>> 152 Dec AlphaBook1/Burns Alpha-based laptops.
374 153
375 config MARCH_Z10_TUNE !! 154 config ALPHA_AVANTI_CH
376 def_bool TUNE_Z10 || MARCH_Z10 && TUNE !! 155 bool "Avanti"
377 156
378 config MARCH_Z196_TUNE !! 157 config ALPHA_CABRIOLET
379 def_bool TUNE_Z196 || MARCH_Z196 && TU !! 158 bool "Cabriolet"
>> 159 help
>> 160 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 161 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 162 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 163 Bcache SIMMs. Requires power supply with 3.3V output.
380 164
381 config MARCH_ZEC12_TUNE !! 165 config ALPHA_DP264
382 def_bool TUNE_ZEC12 || MARCH_ZEC12 && !! 166 bool "DP264"
>> 167 help
>> 168 Various 21264 systems with the tsunami core logic chipset.
>> 169 API Networks: 264DP, UP2000(+), CS20;
>> 170 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
383 171
384 config MARCH_Z13_TUNE !! 172 config ALPHA_EB164
385 def_bool TUNE_Z13 || MARCH_Z13 && TUNE !! 173 bool "EB164"
>> 174 help
>> 175 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 176 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 177 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 178 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 179 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 180 motherboard. Requires power supply with 3.3V output.
386 181
387 config MARCH_Z14_TUNE !! 182 config ALPHA_EB64P_CH
388 def_bool TUNE_Z14 || MARCH_Z14 && TUNE !! 183 bool "EB64+"
389 184
390 config MARCH_Z15_TUNE !! 185 config ALPHA_EB66
391 def_bool TUNE_Z15 || MARCH_Z15 && TUNE !! 186 bool "EB66"
>> 187 help
>> 188 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
>> 189 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 190 supply. The EB66 schematic was published as a marketing poster
>> 191 advertising the 21066 as "the first microprocessor in the world with
>> 192 embedded PCI".
392 193
393 config MARCH_Z16_TUNE !! 194 config ALPHA_EB66P
394 def_bool TUNE_Z16 || MARCH_Z16 && TUNE !! 195 bool "EB66+"
>> 196 help
>> 197 Later variant of the EB66 board.
395 198
396 choice !! 199 config ALPHA_EIGER
397 prompt "Tune code generation" !! 200 bool "Eiger"
398 default TUNE_DEFAULT <<
399 help 201 help
400 Cause the compiler to tune (-mtune) !! 202 Apparently an obscure OEM single-board computer based on the
401 This will make the code run faster o !! 203 Typhoon/Tsunami chipset family. Information on it is scanty.
402 somewhat slower on other machines. <<
403 This option only changes how the com <<
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) <<
439 204
440 endchoice !! 205 config ALPHA_JENSEN
>> 206 bool "Jensen"
>> 207 help
>> 208 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 209 of the first-generation Alpha systems. A number of these systems
>> 210 seem to be available on the second- hand market. The Jensen is a
>> 211 floor-standing tower system which originally used a 150MHz 21064 It
>> 212 used programmable logic to interface a 486 EISA I/O bridge to the
>> 213 CPU.
441 214
442 config 64BIT !! 215 config ALPHA_LX164
443 def_bool y !! 216 bool "LX164"
>> 217 help
>> 218 A technical overview of this board is available at
>> 219 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
444 220
445 config COMMAND_LINE_SIZE !! 221 config ALPHA_LYNX
446 int "Maximum size of kernel command li !! 222 bool "Lynx"
447 default 4096 !! 223 help
448 range 896 1048576 !! 224 AlphaServer 2100A-based systems.
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. <<
466 225
467 If unsure say N. !! 226 config ALPHA_MARVEL
>> 227 bool "Marvel"
>> 228 help
>> 229 AlphaServer ES47 / ES80 / GS1280 based on EV7.
468 230
469 config SMP !! 231 config ALPHA_MIATA
470 def_bool y !! 232 bool "Miata"
>> 233 help
>> 234 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 235 or 600au).
471 236
472 config NR_CPUS !! 237 config ALPHA_MIKASA
473 int "Maximum number of CPUs (2-512)" !! 238 bool "Mikasa"
474 range 2 512 !! 239 help
475 default "64" !! 240 AlphaServer 1000-based Alpha systems.
476 help <<
477 This allows you to specify the maxim <<
478 kernel will support. The maximum sup <<
479 minimum value which makes sense is 2 <<
480 241
481 This is purely to save memory - each !! 242 config ALPHA_NAUTILUS
482 approximately sixteen kilobytes to t !! 243 bool "Nautilus"
>> 244 help
>> 245 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
483 246
484 config HOTPLUG_CPU !! 247 config ALPHA_NONAME_CH
485 def_bool y !! 248 bool "Noname"
486 249
487 config NUMA !! 250 config ALPHA_NORITAKE
488 bool "NUMA support" !! 251 bool "Noritake"
489 depends on SCHED_TOPOLOGY <<
490 default n <<
491 help 252 help
492 Enable NUMA support !! 253 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 254 systems.
493 255
494 This option adds NUMA support to the !! 256 config ALPHA_PC164
>> 257 bool "PC164"
495 258
496 config NODES_SHIFT !! 259 config ALPHA_P2K
497 int !! 260 bool "Platform2000"
498 depends on NUMA <<
499 default "1" <<
500 261
501 config SCHED_SMT !! 262 config ALPHA_RAWHIDE
502 def_bool n !! 263 bool "Rawhide"
>> 264 help
>> 265 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 266 See HOWTO at
>> 267 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
503 268
504 config SCHED_MC !! 269 config ALPHA_RUFFIAN
505 def_bool n !! 270 bool "Ruffian"
>> 271 help
>> 272 Samsung APC164UX. There is a page on known problems and workarounds
>> 273 at <http://www.alphalinux.org/faq/FAQ-11.html>.
506 274
507 config SCHED_TOPOLOGY !! 275 config ALPHA_RX164
508 def_bool y !! 276 bool "RX164"
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. <<
516 277
517 config SCHED_TOPOLOGY_VERTICAL !! 278 config ALPHA_SX164
518 def_bool y !! 279 bool "SX164"
519 bool "Use vertical CPU polarization by <<
520 depends on SCHED_TOPOLOGY <<
521 help <<
522 Use vertical CPU polarization by def <<
523 The default CPU polarization is hori <<
524 280
525 config HIPERDISPATCH_ON !! 281 config ALPHA_SABLE
526 def_bool y !! 282 bool "Sable"
527 bool "Use hiperdispatch on vertical po !! 283 help
528 depends on SCHED_TOPOLOGY !! 284 Digital AlphaServer 2000 and 2100-based systems.
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. <<
558 285
559 With the option enabled the kernel p !! 286 config ALPHA_SHARK
560 can be used to run the kernel in the !! 287 bool "Shark"
561 288
562 With the option disabled the modifie !! 289 config ALPHA_TAKARA
563 enabled with the "nobp=1" kernel par !! 290 bool "Takara"
>> 291 help
>> 292 Alpha 11164-based OEM single-board computer.
564 293
565 If unsure, say N. !! 294 config ALPHA_TITAN
>> 295 bool "Titan"
>> 296 help
>> 297 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
566 298
567 config EXPOLINE !! 299 config ALPHA_WILDFIRE
568 def_bool n !! 300 bool "Wildfire"
569 depends on $(cc-option,-mindirect-bran !! 301 help
570 prompt "Avoid speculative indirect bra !! 302 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
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 <<
577 303
578 If unsure, say N. !! 304 endchoice
579 305
580 config EXPOLINE_EXTERN !! 306 # clear all implied options (don't want default values for those):
581 def_bool EXPOLINE && CC_IS_GCC && GCC_ !! 307 # Most of these machines have ISA slots; not exactly sure which don't,
582 $(success,$(srctree)/arch/s39 !! 308 # and this doesn't activate hordes of code, so do it always.
583 help !! 309 config ISA
584 Generate expolines as external funct !! 310 bool
585 This option is required for some too !! 311 default y
586 are enabled. The kernel is compiled !! 312 help
587 -mindirect-branch=thunk-extern, whic !! 313 Find out whether you have ISA slots on your motherboard. ISA is the
>> 314 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 315 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 316 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 317 newer boards don't support it. If you have ISA, say Y, otherwise N.
588 318
589 choice !! 319 config ISA_DMA_API
590 prompt "Expoline default" !! 320 bool
591 depends on EXPOLINE !! 321 default y
592 default EXPOLINE_FULL <<
593 322
594 config EXPOLINE_OFF !! 323 config PCI
595 bool "spectre_v2=off" !! 324 bool
>> 325 depends on !ALPHA_JENSEN
>> 326 default y
>> 327 help
>> 328 Find out whether you have a PCI motherboard. PCI is the name of a
>> 329 bus system, i.e. the way the CPU talks to the other stuff inside
>> 330 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 331 VESA. If you have PCI, say Y, otherwise N.
596 332
597 config EXPOLINE_AUTO !! 333 config PCI_DOMAINS
598 bool "spectre_v2=auto" !! 334 bool
>> 335 default y
599 336
600 config EXPOLINE_FULL !! 337 config PCI_SYSCALL
601 bool "spectre_v2=on" !! 338 def_bool PCI
602 339
603 endchoice !! 340 config IOMMU_HELPER
>> 341 def_bool PCI
604 342
605 config RELOCATABLE !! 343 config ALPHA_NONAME
606 def_bool y !! 344 bool
>> 345 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 346 default y
607 help 347 help
608 This builds a kernel image that reta !! 348 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
609 so it can be loaded at an arbitrary !! 349 UDB). This design was produced by Digital's Technical OEM (TOEM)
610 The relocations make the kernel imag !! 350 group. It uses the 21066 processor running at 166MHz or 233MHz. It
611 10%), but are discarded at runtime. !! 351 is a baby-AT size, and runs from a standard PC power supply. It has
612 Note: this option exists only for do !! 352 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
613 not remove it. !! 353 2 versions, with either PS/2 or large DIN connectors for the
614 !! 354 keyboard.
615 config RANDOMIZE_BASE !! 355
616 bool "Randomize the address of the ker !! 356 config ALPHA_EV4
617 default y !! 357 bool
618 help !! 358 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
619 In support of Kernel Address Space L !! 359 default y if !ALPHA_LYNX
620 this randomizes the address at which !! 360
621 as a security feature that deters ex !! 361 config ALPHA_LCA
622 knowledge of the location of kernel !! 362 bool
623 !! 363 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
624 config RANDOMIZE_IDENTITY_BASE !! 364 default y
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 <<
655 365
656 endmenu !! 366 config ALPHA_APECS
>> 367 bool
>> 368 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 369 default y
657 370
658 menu "Memory setup" !! 371 config ALPHA_EB64P
>> 372 bool
>> 373 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 374 default y
>> 375 help
>> 376 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 377 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 378 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 379 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 380 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 381 Runs from standard PC power supply.
>> 382
>> 383 config ALPHA_EV5
>> 384 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 385 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
>> 386
>> 387 config ALPHA_EV4
>> 388 bool
>> 389 default y if ALPHA_LYNX && !ALPHA_EV5
>> 390
>> 391 config ALPHA_CIA
>> 392 bool
>> 393 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
>> 394 default y
659 395
660 config ARCH_SPARSEMEM_ENABLE !! 396 config ALPHA_EV56
661 def_bool y !! 397 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
662 select SPARSEMEM_VMEMMAP_ENABLE !! 398 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
663 select SPARSEMEM_VMEMMAP <<
664 399
665 config ARCH_SPARSEMEM_DEFAULT !! 400 config ALPHA_EV56
666 def_bool y !! 401 prompt "EV56 CPU (speed >= 333MHz)?"
>> 402 depends on ALPHA_NORITAKE || ALPHA_PRIMO
667 403
668 config MAX_PHYSMEM_BITS !! 404 config ALPHA_EV56
669 int "Maximum size of supported physica !! 405 prompt "EV56 CPU (speed >= 400MHz)?"
670 range 42 53 !! 406 depends on ALPHA_RAWHIDE
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 <<
677 407
678 config CHECK_STACK !! 408 config ALPHA_PRIMO
679 def_bool y !! 409 bool "EV5 CPU daughtercard (model 5/xxx)?"
680 depends on !VMAP_STACK !! 410 depends on ALPHA_NORITAKE || ALPHA_MIKASA
681 prompt "Detect kernel stack overflow" <<
682 help 411 help
683 This option enables the compiler opt !! 412 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
684 -mstack-size if they are available. <<
685 it will emit additional code to each <<
686 an illegal operation if the kernel s <<
687 <<
688 Say N if you are unsure. <<
689 <<
690 config STACK_GUARD <<
691 int "Size of the guard area (128-1024) <<
692 range 128 1024 <<
693 depends on CHECK_STACK <<
694 default "256" <<
695 help <<
696 This allows you to specify the size <<
697 end of the kernel stack. If the kern <<
698 area on function entry an illegal op <<
699 needs to be a power of 2. Please kee <<
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 <<
706 menu "I/O subsystem" <<
707 413
708 config QDIO !! 414 config ALPHA_GAMMA
709 def_tristate y !! 415 bool "EV5 CPU(s) (model 5/xxx)?"
710 prompt "QDIO support" !! 416 depends on ALPHA_SABLE
711 help 417 help
712 This driver provides the Queued Dire !! 418 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
713 IBM System z. <<
714 419
715 To compile this driver as a module, !! 420 config ALPHA_GAMMA
716 module will be called qdio. !! 421 bool
>> 422 depends on ALPHA_LYNX
>> 423 default y
717 424
718 If unsure, say Y. !! 425 config ALPHA_T2
>> 426 bool
>> 427 depends on ALPHA_SABLE || ALPHA_LYNX
>> 428 default y
719 429
720 if PCI !! 430 config ALPHA_PYXIS
>> 431 bool
>> 432 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 433 default y
721 434
722 config PCI_NR_FUNCTIONS !! 435 config ALPHA_EV6
723 int "Maximum number of PCI functions ( !! 436 bool
724 range 1 4096 !! 437 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
725 default "512" !! 438 default y
726 help <<
727 This allows you to specify the maxim <<
728 this kernel will support. <<
729 439
730 endif # PCI !! 440 config ALPHA_TSUNAMI
>> 441 bool
>> 442 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 443 default y
731 444
732 config HAS_IOMEM !! 445 config ALPHA_EV67
733 def_bool PCI !! 446 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 447 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 448 help
>> 449 Is this a machine based on the EV67 core? If in doubt, select N here
>> 450 and the machine will be treated as an EV6.
>> 451
>> 452 config ALPHA_EV7
>> 453 bool
>> 454 depends on ALPHA_MARVEL
>> 455 default y
>> 456
>> 457 config ALPHA_MCPCIA
>> 458 bool
>> 459 depends on ALPHA_RAWHIDE
>> 460 default y
734 461
735 config CHSC_SCH !! 462 config ALPHA_POLARIS
736 def_tristate m !! 463 bool
737 prompt "Support for CHSC subchannels" !! 464 depends on ALPHA_RX164
738 help !! 465 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 <<
746 466
747 To compile this driver as a module, !! 467 config ALPHA_IRONGATE
748 module will be called chsc_sch. !! 468 bool
>> 469 depends on ALPHA_NAUTILUS
>> 470 default y
749 471
750 If unsure, say N. !! 472 config GENERIC_HWEIGHT
>> 473 bool
>> 474 default y if !ALPHA_EV67
751 475
752 config SCM_BUS !! 476 config ALPHA_AVANTI
753 def_bool y !! 477 bool
754 prompt "SCM bus driver" !! 478 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 479 default y
755 help 480 help
756 Bus driver for Storage Class Memory. !! 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
757 489
758 config EADM_SCH !! 490 config VGA_HOSE
759 def_tristate m !! 491 bool
760 prompt "Support for EADM subchannels" !! 492 depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI
761 depends on SCM_BUS !! 493 default y
762 help 494 help
763 This driver allows usage of EADM sub !! 495 Support VGA on an arbitrary hose; needed for several platforms
764 as a communication vehicle for SCM i !! 496 which always have multiple hoses, and whose consoles support it.
765 497
766 To compile this driver as a module, <<
767 module will be called eadm_sch. <<
768 498
769 config AP !! 499 config ALPHA_SRM
770 def_tristate y !! 500 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
771 prompt "Support for Adjunct Processors !! 501 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
772 help !! 502 ---help---
773 This driver allows usage to Adjunct !! 503 There are two different types of booting firmware on Alphas: SRM,
774 the ap bus, cards and queues. Suppor !! 504 which is command line driven, and ARC, which uses menus and arrow
775 the CryptoExpress Cards (CEX). !! 505 keys. Details about the Linux/Alpha booting process are contained in
>> 506 the Linux/Alpha FAQ, accessible on the WWW from
>> 507 <http://www.alphalinux.org/>.
>> 508
>> 509 The usual way to load Linux on an Alpha machine is to use MILO
>> 510 (a bootloader that lets you pass command line parameters to the
>> 511 kernel just like lilo does for the x86 architecture) which can be
>> 512 loaded either from ARC or can be installed directly as a permanent
>> 513 firmware replacement from floppy (which requires changing a certain
>> 514 jumper on the motherboard). If you want to do either of these, say N
>> 515 here. If MILO doesn't work on your system (true for Jensen
>> 516 motherboards), you can bypass it altogether and boot Linux directly
>> 517 from an SRM console; say Y here in order to do that. Note that you
>> 518 won't be able to boot from an IDE disk using SRM.
776 519
777 To compile this driver as a module, !! 520 If unsure, say N.
778 module will be called ap. <<
779 521
780 If unsure, say Y (default). !! 522 config EISA
>> 523 bool
>> 524 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 525 default y
781 526
782 config AP_DEBUG !! 527 config ARCH_MAY_HAVE_PC_FDC
783 def_bool n !! 528 def_bool y
784 prompt "Enable debug features for Adju <<
785 depends on AP <<
786 help <<
787 Say 'Y' here to enable some addition <<
788 Processor (ap) devices. <<
789 529
790 There will be some more sysfs attrib !! 530 config SMP
>> 531 bool "Symmetric multi-processing support"
>> 532 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 533 select USE_GENERIC_SMP_HELPERS
>> 534 ---help---
>> 535 This enables support for systems with more than one CPU. If you have
>> 536 a system with only one CPU, like most personal computers, say N. If
>> 537 you have a system with more than one CPU, say Y.
>> 538
>> 539 If you say N here, the kernel will run on single and multiprocessor
>> 540 machines, but will use only one CPU of a multiprocessor machine. If
>> 541 you say Y here, the kernel will run on many, but not all,
>> 542 singleprocessor machines. On a singleprocessor machine, the kernel
>> 543 will run faster if you say N here.
>> 544
>> 545 See also the SMP-HOWTO available at
>> 546 <http://www.tldp.org/docs.html#howto>.
>> 547
>> 548 If you don't know what to do here, say N.
>> 549
>> 550 config HAVE_DEC_LOCK
>> 551 bool
>> 552 depends on SMP
>> 553 default y
791 554
792 Do not enable on production level ke !! 555 config NR_CPUS
>> 556 int "Maximum number of CPUs (2-32)"
>> 557 range 2 32
>> 558 depends on SMP
>> 559 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 560 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 561 help
>> 562 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 563 with working support have a maximum of 4 CPUs.
>> 564
>> 565 config ARCH_DISCONTIGMEM_ENABLE
>> 566 bool "Discontiguous Memory Support (EXPERIMENTAL)"
>> 567 depends on EXPERIMENTAL
>> 568 help
>> 569 Say Y to support efficient handling of discontiguous physical memory,
>> 570 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 571 or have huge holes in the physical address space for other reasons.
>> 572 See <file:Documentation/vm/numa> for more.
793 573
794 If unsure, say N. !! 574 source "mm/Kconfig"
795 575
796 config VFIO_CCW !! 576 config NUMA
797 def_tristate n !! 577 bool "NUMA Support (EXPERIMENTAL)"
798 prompt "Support for VFIO-CCW subchanne !! 578 depends on DISCONTIGMEM && BROKEN
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 579 help
815 This driver grants access to Adjunct !! 580 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
816 via the VFIO mediated device interfa !! 581 Access). This option is for configuring high-end multiprocessor
>> 582 server machines. If in doubt, say N.
817 583
818 To compile this driver as a module, !! 584 config NODES_SHIFT
819 will be called vfio_ap. !! 585 int
>> 586 default "7"
>> 587 depends on NEED_MULTIPLE_NODES
820 588
821 endmenu !! 589 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 590 config ALPHA_LARGE_VMALLOC
>> 591 bool
>> 592 ---help---
>> 593 Process creation and other aspects of virtual memory management can
>> 594 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 595 allocations. This equates to about 8GB.
>> 596
>> 597 Under normal circumstances, this is so far and above what is needed
>> 598 as to be laughable. However, there are certain applications (such
>> 599 as benchmark-grade in-kernel web serving) that can make use of as
>> 600 much vmalloc space as is available.
>> 601
>> 602 Say N unless you know you need gobs and gobs of vmalloc space.
>> 603
>> 604 config VERBOSE_MCHECK
>> 605 bool "Verbose Machine Checks"
>> 606
>> 607 config VERBOSE_MCHECK_ON
>> 608 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 609 depends on VERBOSE_MCHECK
>> 610 default 1
>> 611 ---help---
>> 612 This option allows the default printing mode to be set, and then
>> 613 possibly overridden by a boot command argument.
>> 614
>> 615 For example, if one wanted the option of printing verbose
>> 616 machine checks, but wanted the default to be as if verbose
>> 617 machine check printing was turned off, then one would choose
>> 618 the printing mode to be 0. Then, upon reboot, one could add
>> 619 the boot command line "verbose_mcheck=1" to get the normal
>> 620 verbose machine check printing, or "verbose_mcheck=2" to get
>> 621 the maximum information available.
822 622
823 config CCW !! 623 Take the default (1) unless you want more control or more info.
824 def_bool y <<
825 624
826 config HAVE_PNETID !! 625 config HZ
827 tristate !! 626 int
828 default (SMC || CCWGROUP) !! 627 default 1200 if ALPHA_RAWHIDE
>> 628 default 1024
829 629
830 menu "Virtualization" !! 630 source "drivers/pci/Kconfig"
>> 631 source "drivers/eisa/Kconfig"
831 632
832 config PFAULT !! 633 source "drivers/pcmcia/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. <<
857 634
858 config CMM_IUCV !! 635 config SRM_ENV
859 def_bool y !! 636 tristate "SRM environment through procfs"
860 prompt "IUCV special message interface !! 637 depends on PROC_FS
861 depends on CMM && (SMSGIUCV=y || CMM=S !! 638 ---help---
862 help !! 639 If you enable this option, a subdirectory inside /proc called
863 Select this option to enable the spe !! 640 /proc/srm_environment will give you access to the all important
864 the cooperative memory management. !! 641 SRM environment variables (those which have a name) and also
>> 642 to all others (by their internal number).
>> 643
>> 644 SRM is something like a BIOS for Alpha machines. There are some
>> 645 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 646 support (hey, that's not SRM!).
>> 647
>> 648 Despite the fact that this driver doesn't work on all Alphas (but
>> 649 only on those which have SRM as their firmware), it's save to
>> 650 build it even if your particular machine doesn't know about SRM
>> 651 (or if you intend to compile a generic kernel). It will simply
>> 652 not create those subdirectory in /proc (and give you some warning,
>> 653 of course).
865 654
866 config APPLDATA_BASE !! 655 This driver is also available as a module and will be called
867 def_bool n !! 656 srm_env then.
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. <<
929 657
930 config S390_HYPFS !! 658 source "fs/Kconfig.binfmt"
931 def_bool y <<
932 prompt "s390 hypervisor information" <<
933 help <<
934 This provides several binary files a <<
935 provide accounting information in an <<
936 659
937 config S390_HYPFS_FS !! 660 endmenu
938 def_bool n <<
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 <<
946 661
947 Say N if you are unsure. !! 662 source "net/Kconfig"
948 663
949 source "arch/s390/kvm/Kconfig" !! 664 source "drivers/Kconfig"
950 665
951 config S390_GUEST !! 666 source "fs/Kconfig"
952 def_bool y <<
953 prompt "s390 support for virtio device <<
954 select TTY <<
955 select VIRTUALIZATION <<
956 select VIRTIO <<
957 help <<
958 Enabling this option adds support fo <<
959 drivers on s390. <<
960 667
961 Select this option if you want to ru !! 668 source "arch/alpha/Kconfig.debug"
962 the KVM hypervisor. <<
963 669
964 endmenu !! 670 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 671 # but we also need it if VGA_HOSE is set
>> 672 config DUMMY_CONSOLE
>> 673 bool
>> 674 depends on VGA_HOSE
>> 675 default y
965 676
966 config S390_MODULES_SANITY_TEST_HELPERS !! 677 source "security/Kconfig"
967 def_bool n <<
968 678
969 menu "Selftests" !! 679 source "crypto/Kconfig"
970 680
971 config S390_UNWIND_SELFTEST !! 681 source "lib/Kconfig"
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 682
1006 Say N if you are unsure. <<
1007 endmenu <<
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