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 !! 4 #
5 config CPU_BIG_ENDIAN !! 5 config ALPHA
6 def_bool y !! 6 bool
7 !! 7 default y
8 config LOCKDEP_SUPPORT !! 8 help
9 def_bool y !! 9 The Alpha is a 64-bit general-purpose processor designed and
>> 10 marketed by the Digital Equipment Corporation of blessed memory,
>> 11 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 12 <http://www.alphalinux.org/>.
10 13
11 config STACKTRACE_SUPPORT !! 14 config 64BIT
12 def_bool y 15 def_bool y
13 16
14 config ARCH_HAS_ILOG2_U32 !! 17 config MMU
15 def_bool n !! 18 bool
>> 19 default y
16 20
17 config ARCH_HAS_ILOG2_U64 !! 21 config UID16
18 def_bool n !! 22 bool
19 23
20 config ARCH_PROC_KCORE_TEXT !! 24 config RWSEM_GENERIC_SPINLOCK
21 def_bool y !! 25 bool
22 26
23 config GENERIC_HWEIGHT !! 27 config RWSEM_XCHGADD_ALGORITHM
24 def_bool !HAVE_MARCH_Z196_FEATURES !! 28 bool
>> 29 default y
25 30
26 config GENERIC_BUG !! 31 config GENERIC_ISA_DMA
27 def_bool y if BUG !! 32 bool
>> 33 default y
28 34
29 config GENERIC_BUG_RELATIVE_POINTERS !! 35 source "init/Kconfig"
30 def_bool y <<
31 36
32 config GENERIC_LOCKBREAK <<
33 def_bool y if PREEMPTION <<
34 37
35 config PGSTE !! 38 menu "System setup"
36 def_bool y if KVM <<
37 39
38 config AUDIT_ARCH !! 40 choice
39 def_bool y !! 41 prompt "Alpha system type"
>> 42 default ALPHA_GENERIC
>> 43 ---help---
>> 44 This is the system type of your hardware. A "generic" kernel will
>> 45 run on any supported Alpha system. However, if you configure a
>> 46 kernel for your specific system, it will be faster and smaller.
40 47
41 config NO_IOPORT_MAP !! 48 To find out what type of Alpha system you have, you may want to
42 def_bool y !! 49 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 50 <http://www.alphalinux.org/>. In summary:
43 51
44 config PCI_QUIRKS !! 52 Alcor/Alpha-XLT AS 600
45 def_bool n !! 53 Alpha-XL XL-233, XL-266
>> 54 AlphaBook1 Alpha laptop
>> 55 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 56 Cabriolet AlphaPC64, AlphaPCI64
>> 57 DP264 DP264
>> 58 EB164 EB164 21164 evaluation board
>> 59 EB64+ EB64+ 21064 evaluation board
>> 60 EB66 EB66 21066 evaluation board
>> 61 EB66+ EB66+ 21066 evaluation board
>> 62 Jensen DECpc 150, DEC 2000 model 300,
>> 63 DEC 2000 model 500
>> 64 LX164 AlphaPC164-LX
>> 65 Lynx AS 2100A
>> 66 Miata Personal Workstation 433a, 433au, 500a,
>> 67 500au, 600a, or 600au
>> 68 Marvel AlphaServer ES47 / ES80 / GS1280
>> 69 Mikasa AS 1000
>> 70 Noname AXPpci33, UDB (Multia)
>> 71 Noritake AS 1000A, AS 600A, AS 800
>> 72 PC164 AlphaPC164
>> 73 Rawhide AS 1200, AS 4000, AS 4100
>> 74 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 75 SX164 AlphaPC164-SX
>> 76 Sable AS 2000, AS 2100
>> 77 Shark DS 20L
>> 78 Takara Takara
>> 79 Titan AlphaServer ES45 / DS25
>> 80 Wildfire AlphaServer GS 40/80/160/320
46 81
47 config ARCH_SUPPORTS_UPROBES !! 82 If you don't know what to do, choose "generic".
48 def_bool y <<
49 83
50 config KASAN_SHADOW_OFFSET !! 84 config ALPHA_GENERIC
51 hex !! 85 bool "Generic"
52 depends on KASAN !! 86 help
53 default 0x1C000000000000 !! 87 A generic kernel will run on all supported Alpha hardware.
54 88
55 config S390 !! 89 config ALPHA_ALCOR
56 def_bool y !! 90 bool "Alcor/Alpha-XLT"
57 # !! 91 help
58 # Note: keep this list sorted alphabet !! 92 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
59 # !! 93 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
60 imply IMA_SECURE_AND_OR_TRUSTED_BOOT !! 94 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
61 select ALTERNATE_USER_ADDRESS_SPACE !! 95 controller (256-bit memory bus) and a PCI interface. It also does
62 select ARCH_32BIT_USTAT_F_TINODE !! 96 all the work required to support an external Bcache and to maintain
63 select ARCH_BINFMT_ELF_STATE !! 97 memory coherence when a PCI device DMAs into (or out of) memory.
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 98
251 config SCHED_OMIT_FRAME_POINTER !! 99 config ALPHA_XL
252 def_bool y !! 100 bool "Alpha-XL"
>> 101 help
>> 102 XL-233 and XL-266-based Alpha systems.
253 103
254 config PGTABLE_LEVELS !! 104 config ALPHA_BOOK1
255 int !! 105 bool "AlphaBook1"
256 default 5 !! 106 help
>> 107 Dec AlphaBook1/Burns Alpha-based laptops.
257 108
258 source "kernel/livepatch/Kconfig" !! 109 config ALPHA_AVANTI_CH
>> 110 bool "Avanti"
259 111
260 config ARCH_SUPPORTS_KEXEC !! 112 config ALPHA_CABRIOLET
261 def_bool y !! 113 bool "Cabriolet"
>> 114 help
>> 115 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 116 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 117 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 118 Bcache SIMMs. Requires power supply with 3.3V output.
262 119
263 config ARCH_SUPPORTS_KEXEC_FILE !! 120 config ALPHA_DP264
264 def_bool y !! 121 bool "DP264"
>> 122 help
>> 123 Various 21264 systems with the tsunami core logic chipset.
>> 124 API Networks: 264DP, UP2000(+), CS20;
>> 125 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
265 126
266 config ARCH_SUPPORTS_KEXEC_SIG !! 127 config ALPHA_EB164
267 def_bool MODULE_SIG_FORMAT !! 128 bool "EB164"
>> 129 help
>> 130 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 131 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 132 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 133 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 134 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 135 motherboard. Requires power supply with 3.3V output.
268 136
269 config ARCH_SUPPORTS_KEXEC_PURGATORY !! 137 config ALPHA_EB64P_CH
270 def_bool y !! 138 bool "EB64+"
271 139
272 config ARCH_SUPPORTS_CRASH_DUMP !! 140 config ALPHA_EB66
273 def_bool y !! 141 bool "EB66"
274 help 142 help
275 Refer to <file:Documentation/arch/s3 !! 143 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
276 This option also enables s390 zfcpdu !! 144 identical to EB64+. Baby PC-AT size. Runs from standard PC power
277 See also <file:Documentation/arch/s3 !! 145 supply. The EB66 schematic was published as a marketing poster
278 !! 146 advertising the 21066 as "the first microprocessor in the world with
279 menu "Processor type and features" !! 147 embedded PCI".
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 <<
307 148
308 choice !! 149 config ALPHA_EB66P
309 prompt "Processor type" !! 150 bool "EB66+"
310 default MARCH_Z196 !! 151 help
>> 152 Later variant of the EB66 board.
311 153
312 config MARCH_Z10 !! 154 config ALPHA_EIGER
313 bool "IBM System z10" !! 155 bool "Eiger"
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 156 help
370 Select this to enable optimizations !! 157 Apparently an obscure OEM single-board computer based on the
371 3932 series). !! 158 Typhoon/Tsunami chipset family. Information on it is scanty.
372 159
373 endchoice !! 160 config ALPHA_JENSEN
>> 161 bool "Jensen"
>> 162 help
>> 163 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 164 of the first-generation Alpha systems. A number of these systems
>> 165 seem to be available on the second- hand market. The Jensen is a
>> 166 floor-standing tower system which originally used a 150MHz 21064 It
>> 167 used programmable logic to interface a 486 EISA I/O bridge to the
>> 168 CPU.
374 169
375 config MARCH_Z10_TUNE !! 170 config ALPHA_LX164
376 def_bool TUNE_Z10 || MARCH_Z10 && TUNE !! 171 bool "LX164"
>> 172 help
>> 173 A technical overview of this board is available at
>> 174 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
377 175
378 config MARCH_Z196_TUNE !! 176 config ALPHA_LYNX
379 def_bool TUNE_Z196 || MARCH_Z196 && TU !! 177 bool "Lynx"
>> 178 help
>> 179 AlphaServer 2100A-based systems.
380 180
381 config MARCH_ZEC12_TUNE !! 181 config ALPHA_MARVEL
382 def_bool TUNE_ZEC12 || MARCH_ZEC12 && !! 182 bool "Marvel"
>> 183 help
>> 184 AlphaServer ES47 / ES80 / GS1280 based on EV7.
383 185
384 config MARCH_Z13_TUNE !! 186 config ALPHA_MIATA
385 def_bool TUNE_Z13 || MARCH_Z13 && TUNE !! 187 bool "Miata"
>> 188 help
>> 189 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 190 or 600au). There is an Installation HOWTO for this hardware at
>> 191 <http://members.brabant.chello.nl/~s.vandereijk/miata.html>.
386 192
387 config MARCH_Z14_TUNE !! 193 config ALPHA_MIKASA
388 def_bool TUNE_Z14 || MARCH_Z14 && TUNE !! 194 bool "Mikasa"
>> 195 help
>> 196 AlphaServer 1000-based Alpha systems.
389 197
390 config MARCH_Z15_TUNE !! 198 config ALPHA_NAUTILUS
391 def_bool TUNE_Z15 || MARCH_Z15 && TUNE !! 199 bool "Nautilus"
>> 200 help
>> 201 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
392 202
393 config MARCH_Z16_TUNE !! 203 config ALPHA_NONAME_CH
394 def_bool TUNE_Z16 || MARCH_Z16 && TUNE !! 204 bool "Noname"
395 205
396 choice !! 206 config ALPHA_NORITAKE
397 prompt "Tune code generation" !! 207 bool "Noritake"
398 default TUNE_DEFAULT <<
399 help 208 help
400 Cause the compiler to tune (-mtune) !! 209 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
401 This will make the code run faster o !! 210 systems.
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) <<
439 211
440 endchoice !! 212 config ALPHA_PC164
>> 213 bool "PC164"
441 214
442 config 64BIT !! 215 config ALPHA_P2K
443 def_bool y !! 216 bool "Platform2000"
444 217
445 config COMMAND_LINE_SIZE !! 218 config ALPHA_RAWHIDE
446 int "Maximum size of kernel command li !! 219 bool "Rawhide"
447 default 4096 !! 220 help
448 range 896 1048576 !! 221 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
449 help !! 222 See HOWTO at
450 This allows you to specify the maxim !! 223 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
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. <<
466 224
467 If unsure say N. !! 225 config ALPHA_RUFFIAN
>> 226 bool "Ruffian"
>> 227 help
>> 228 Samsung APC164UX. There is a page on known problems and workarounds
>> 229 at <http://www.alphalinux.org/faq/FAQ-11.html>.
468 230
469 config SMP !! 231 config ALPHA_RX164
470 def_bool y !! 232 bool "RX164"
471 233
472 config NR_CPUS !! 234 config ALPHA_SX164
473 int "Maximum number of CPUs (2-512)" !! 235 bool "SX164"
474 range 2 512 !! 236
475 default "64" !! 237 config ALPHA_SABLE
>> 238 bool "Sable"
476 help 239 help
477 This allows you to specify the maxim !! 240 Digital AlphaServer 2000 and 2100-based systems.
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_SHARK
482 approximately sixteen kilobytes to t !! 243 bool "Shark"
483 244
484 config HOTPLUG_CPU !! 245 config ALPHA_TAKARA
485 def_bool y !! 246 bool "Takara"
>> 247 help
>> 248 Alpha 11164-based OEM single-board computer.
486 249
487 config NUMA !! 250 config ALPHA_TITAN
488 bool "NUMA support" !! 251 bool "Titan"
489 depends on SCHED_TOPOLOGY <<
490 default n <<
491 help 252 help
492 Enable NUMA support !! 253 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
493 254
494 This option adds NUMA support to the !! 255 config ALPHA_WILDFIRE
>> 256 bool "Wildfire"
>> 257 help
>> 258 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
495 259
496 config NODES_SHIFT !! 260 endchoice
497 int <<
498 depends on NUMA <<
499 default "1" <<
500 261
501 config SCHED_SMT !! 262 # clear all implied options (don't want default values for those):
502 def_bool n !! 263 # Most of these machines have ISA slots; not exactly sure which don't,
>> 264 # and this doesn't activate hordes of code, so do it always.
>> 265 config ISA
>> 266 bool
>> 267 default y
>> 268 help
>> 269 Find out whether you have ISA slots on your motherboard. ISA is the
>> 270 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 271 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 272 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 273 newer boards don't support it. If you have ISA, say Y, otherwise N.
>> 274
>> 275 config PCI
>> 276 bool
>> 277 depends on !ALPHA_JENSEN
>> 278 default y
>> 279 help
>> 280 Find out whether you have a PCI motherboard. PCI is the name of a
>> 281 bus system, i.e. the way the CPU talks to the other stuff inside
>> 282 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 283 VESA. If you have PCI, say Y, otherwise N.
>> 284
>> 285 The PCI-HOWTO, available from
>> 286 <http://www.tldp.org/docs.html#howto>, contains valuable
>> 287 information about which PCI hardware does work under Linux and which
>> 288 doesn't.
503 289
504 config SCHED_MC !! 290 config PCI_DOMAINS
505 def_bool n !! 291 bool
>> 292 default y
506 293
507 config SCHED_TOPOLOGY !! 294 config ALPHA_CORE_AGP
508 def_bool y !! 295 bool
509 prompt "Topology scheduler support" !! 296 depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL
510 select SCHED_SMT !! 297 default y
511 select SCHED_MC <<
512 help <<
513 Topology scheduler support improves <<
514 making when dealing with machines th <<
515 multiple cores or multiple books. <<
516 298
517 config SCHED_TOPOLOGY_VERTICAL !! 299 config ALPHA_NONAME
518 def_bool y !! 300 bool
519 bool "Use vertical CPU polarization by !! 301 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
520 depends on SCHED_TOPOLOGY !! 302 default y
521 help 303 help
522 Use vertical CPU polarization by def !! 304 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
523 The default CPU polarization is hori !! 305 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 306 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 307 is a baby-AT size, and runs from a standard PC power supply. It has
>> 308 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 309 2 versions, with either PS/2 or large DIN connectors for the
>> 310 keyboard.
>> 311
>> 312 config ALPHA_EV4
>> 313 bool
>> 314 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
>> 315 default y if !ALPHA_LYNX
>> 316
>> 317 config ALPHA_LCA
>> 318 bool
>> 319 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 320 default y
524 321
525 config HIPERDISPATCH_ON !! 322 config ALPHA_APECS
526 def_bool y !! 323 bool
527 bool "Use hiperdispatch on vertical po !! 324 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
528 depends on SCHED_TOPOLOGY !! 325 default y
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. <<
558 326
559 With the option enabled the kernel p !! 327 config ALPHA_EB64P
560 can be used to run the kernel in the !! 328 bool
>> 329 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 330 default y
>> 331 help
>> 332 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 333 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 334 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 335 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 336 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 337 Runs from standard PC power supply.
>> 338
>> 339 config ALPHA_EV5
>> 340 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 341 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
>> 342
>> 343 config ALPHA_EV4
>> 344 bool
>> 345 default y if ALPHA_LYNX && !ALPHA_EV5
>> 346
>> 347 config ALPHA_CIA
>> 348 bool
>> 349 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
>> 350 default y
561 351
562 With the option disabled the modifie !! 352 config ALPHA_EV56
563 enabled with the "nobp=1" kernel par !! 353 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 354 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
564 355
565 If unsure, say N. !! 356 config ALPHA_EV56
>> 357 prompt "EV56 CPU (speed >= 333MHz)?"
>> 358 depends on ALPHA_NORITAKE && ALPHA_PRIMO
566 359
567 config EXPOLINE !! 360 config ALPHA_EV56
568 def_bool n !! 361 prompt "EV56 CPU (speed >= 400MHz)?"
569 depends on $(cc-option,-mindirect-bran !! 362 depends on ALPHA_RAWHIDE
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 <<
577 363
578 If unsure, say N. !! 364 config ALPHA_PRIMO
>> 365 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 366 depends on ALPHA_NORITAKE || ALPHA_MIKASA
>> 367 help
>> 368 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
579 369
580 config EXPOLINE_EXTERN !! 370 config ALPHA_GAMMA
581 def_bool EXPOLINE && CC_IS_GCC && GCC_ !! 371 bool "EV5 CPU(s) (model 5/xxx)?"
582 $(success,$(srctree)/arch/s39 !! 372 depends on ALPHA_SABLE
583 help !! 373 help
584 Generate expolines as external funct !! 374 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
585 This option is required for some too <<
586 are enabled. The kernel is compiled <<
587 -mindirect-branch=thunk-extern, whic <<
588 375
589 choice !! 376 config ALPHA_GAMMA
590 prompt "Expoline default" !! 377 bool
591 depends on EXPOLINE !! 378 depends on ALPHA_LYNX
592 default EXPOLINE_FULL !! 379 default y
593 380
594 config EXPOLINE_OFF !! 381 config ALPHA_T2
595 bool "spectre_v2=off" !! 382 bool
>> 383 depends on ALPHA_SABLE || ALPHA_LYNX
>> 384 default y
596 385
597 config EXPOLINE_AUTO !! 386 config ALPHA_PYXIS
598 bool "spectre_v2=auto" !! 387 bool
>> 388 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
>> 389 default y
599 390
600 config EXPOLINE_FULL !! 391 config ALPHA_EV6
601 bool "spectre_v2=on" !! 392 bool
>> 393 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 394 default y
602 395
603 endchoice !! 396 config ALPHA_TSUNAMI
>> 397 bool
>> 398 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 399 default y
604 400
605 config RELOCATABLE !! 401 config ALPHA_EV67
606 def_bool y !! 402 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
607 help !! 403 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
608 This builds a kernel image that reta !! 404 help
609 so it can be loaded at an arbitrary !! 405 Is this a machine based on the EV67 core? If in doubt, select N here
610 The relocations make the kernel imag !! 406 and the machine will be treated as an EV6.
611 10%), but are discarded at runtime. !! 407
612 Note: this option exists only for do !! 408 config ALPHA_EV7
613 not remove it. !! 409 bool
614 !! 410 depends on ALPHA_MARVEL
615 config RANDOMIZE_BASE !! 411 default y
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 <<
655 412
656 endmenu !! 413 config ALPHA_MCPCIA
>> 414 bool
>> 415 depends on ALPHA_RAWHIDE
>> 416 default y
657 417
658 menu "Memory setup" !! 418 config ALPHA_POLARIS
>> 419 bool
>> 420 depends on ALPHA_RX164
>> 421 default y
659 422
660 config ARCH_SPARSEMEM_ENABLE !! 423 config ALPHA_IRONGATE
661 def_bool y !! 424 bool
662 select SPARSEMEM_VMEMMAP_ENABLE !! 425 depends on ALPHA_NAUTILUS
663 select SPARSEMEM_VMEMMAP !! 426 default y
664 427
665 config ARCH_SPARSEMEM_DEFAULT !! 428 config ALPHA_AVANTI
666 def_bool y !! 429 bool
>> 430 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 431 default y
>> 432 help
>> 433 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 434 Alphas. Info at
>> 435 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 436
>> 437 config ALPHA_BROKEN_IRQ_MASK
>> 438 bool
>> 439 depends on ALPHA_GENERIC || ALPHA_PC164
>> 440 default y
667 441
668 config MAX_PHYSMEM_BITS !! 442 config ALPHA_SRM
669 int "Maximum size of supported physica !! 443 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
670 range 42 53 !! 444 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
671 default "46" !! 445 ---help---
672 help !! 446 There are two different types of booting firmware on Alphas: SRM,
673 This option specifies the maximum su !! 447 which is command line driven, and ARC, which uses menus and arrow
674 in bits. Supported is any size betwe !! 448 keys. Details about the Linux/Alpha booting process are contained in
675 Increasing the number of bits also i !! 449 the Linux/Alpha FAQ, accessible on the WWW from
676 By default 46 bits (64TB) are suppor !! 450 <http://www.alphalinux.org/>.
>> 451
>> 452 The usual way to load Linux on an Alpha machine is to use MILO
>> 453 (a bootloader that lets you pass command line parameters to the
>> 454 kernel just like lilo does for the x86 architecture) which can be
>> 455 loaded either from ARC or can be installed directly as a permanent
>> 456 firmware replacement from floppy (which requires changing a certain
>> 457 jumper on the motherboard). If you want to do either of these, say N
>> 458 here. If MILO doesn't work on your system (true for Jensen
>> 459 motherboards), you can bypass it altogether and boot Linux directly
>> 460 from an SRM console; say Y here in order to do that. Note that you
>> 461 won't be able to boot from an IDE disk using SRM.
677 462
678 config CHECK_STACK !! 463 If unsure, say N.
679 def_bool y <<
680 depends on !VMAP_STACK <<
681 prompt "Detect kernel stack overflow" <<
682 help <<
683 This option enables the compiler opt <<
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. <<
703 464
704 endmenu !! 465 config EARLY_PRINTK
>> 466 bool
>> 467 depends on ALPHA_GENERIC || ALPHA_SRM
>> 468 default y
705 469
706 menu "I/O subsystem" !! 470 config EISA
>> 471 bool
>> 472 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 473 default y
707 474
708 config QDIO !! 475 config SMP
709 def_tristate y !! 476 bool "Symmetric multi-processing support"
710 prompt "QDIO support" !! 477 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
711 help !! 478 ---help---
712 This driver provides the Queued Dire !! 479 This enables support for systems with more than one CPU. If you have
713 IBM System z. !! 480 a system with only one CPU, like most personal computers, say N. If
>> 481 you have a system with more than one CPU, say Y.
>> 482
>> 483 If you say N here, the kernel will run on single and multiprocessor
>> 484 machines, but will use only one CPU of a multiprocessor machine. If
>> 485 you say Y here, the kernel will run on many, but not all,
>> 486 singleprocessor machines. On a singleprocessor machine, the kernel
>> 487 will run faster if you say N here.
>> 488
>> 489 Note that if you say Y here and choose architecture "586" or
>> 490 "Pentium" under "Processor family", the kernel will not work on 486
>> 491 architectures. Similarly, multiprocessor kernels for the "PPro"
>> 492 architecture may not work on all Pentium based boards.
>> 493
>> 494 People using multiprocessor machines who say Y here should also say
>> 495 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 496 Management" code will be disabled if you say Y here.
>> 497
>> 498 See also the <file:Documentation/smp.tex>,
>> 499 <file:Documentation/smp.txt>, <file:Documentation/i386/IO-APIC.txt>,
>> 500 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
>> 501 <http://www.tldp.org/docs.html#howto>.
>> 502
>> 503 If you don't know what to do here, say N.
>> 504
>> 505 config HAVE_DEC_LOCK
>> 506 bool
>> 507 depends on SMP
>> 508 default y
714 509
715 To compile this driver as a module, !! 510 config NR_CPUS
716 module will be called qdio. !! 511 int "Maximum number of CPUs (2-64)"
>> 512 depends on SMP
>> 513 default "64"
717 514
718 If unsure, say Y. !! 515 config DISCONTIGMEM
>> 516 bool "Discontiguous Memory Support (EXPERIMENTAL)"
>> 517 depends on EXPERIMENTAL
>> 518 help
>> 519 Say Y to upport efficient handling of discontiguous physical memory,
>> 520 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 521 or have huge holes in the physical address space for other reasons.
>> 522 See <file:Documentation/vm/numa> for more.
719 523
720 if PCI !! 524 config NUMA
>> 525 bool "NUMA Support (EXPERIMENTAL)"
>> 526 depends on DISCONTIGMEM
>> 527 help
>> 528 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 529 Access). This option is for configuring high-end multiprocessor
>> 530 server machines. If in doubt, say N.
>> 531
>> 532 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 533 config ALPHA_LARGE_VMALLOC
>> 534 bool
>> 535 ---help---
>> 536 Process creation and other aspects of virtual memory management can
>> 537 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 538 allocations. This equates to about 8GB.
>> 539
>> 540 Under normal circumstances, this is so far and above what is needed
>> 541 as to be laughable. However, there are certain applications (such
>> 542 as benchmark-grade in-kernel web serving) that can make use of as
>> 543 much vmalloc space as is available.
>> 544
>> 545 Say N unless you know you need gobs and gobs of vmalloc space.
>> 546
>> 547 config VERBOSE_MCHECK
>> 548 bool "Verbose Machine Checks"
>> 549
>> 550 config VERBOSE_MCHECK_ON
>> 551 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 552 depends on VERBOSE_MCHECK
>> 553 default 1
>> 554 ---help---
>> 555 This option allows the default printing mode to be set, and then
>> 556 possibly overridden by a boot command argument.
>> 557
>> 558 For example, if one wanted the option of printing verbose
>> 559 machine checks, but wanted the default to be as if verbose
>> 560 machine check printing was turned off, then one would choose
>> 561 the printing mode to be 0. Then, upon reboot, one could add
>> 562 the boot command line "verbose_mcheck=1" to get the normal
>> 563 verbose machine check printing, or "verbose_mcheck=2" to get
>> 564 the maximum information available.
>> 565
>> 566 Take the default (1) unless you want more control or more info.
>> 567
>> 568 source "drivers/pci/Kconfig"
>> 569 source "drivers/eisa/Kconfig"
>> 570
>> 571 config HOTPLUG
>> 572 bool "Support for hot-pluggable devices"
>> 573 ---help---
>> 574 Say Y here if you want to plug devices into your computer while
>> 575 the system is running, and be able to use them quickly. In many
>> 576 cases, the devices can likewise be unplugged at any time too.
>> 577
>> 578 One well known example of this is PCMCIA- or PC-cards, credit-card
>> 579 size devices such as network cards, modems or hard drives which are
>> 580 plugged into slots found on all modern laptop computers. Another
>> 581 example, used on modern desktops as well as laptops, is USB.
>> 582
>> 583 Enable HOTPLUG and KMOD, and build a modular kernel. Get agent
>> 584 software (at <http://linux-hotplug.sourceforge.net/>) and install it.
>> 585 Then your kernel will automatically call out to a user mode "policy
>> 586 agent" (/sbin/hotplug) to load modules and set up software needed
>> 587 to use devices as you hotplug them.
>> 588
>> 589 source "drivers/pcmcia/Kconfig"
>> 590
>> 591 config SRM_ENV
>> 592 tristate "SRM environment through procfs"
>> 593 depends on PROC_FS
>> 594 ---help---
>> 595 If you enable this option, a subdirectory inside /proc called
>> 596 /proc/srm_environment will give you access to the all important
>> 597 SRM environment variables (those which have a name) and also
>> 598 to all others (by their internal number).
>> 599
>> 600 SRM is something like a BIOS for Alpha machines. There are some
>> 601 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 602 support (hey, that's not SRM!).
>> 603
>> 604 Despite the fact that this driver doesn't work on all Alphas (but
>> 605 only on those which have SRM as their firmware), it's save to
>> 606 build it even if your particular machine doesn't know about SRM
>> 607 (or if you intend to compile a generic kernel). It will simply
>> 608 not create those subdirectory in /proc (and give you some warning,
>> 609 of course).
721 610
722 config PCI_NR_FUNCTIONS !! 611 This driver is also available as a module and will be called
723 int "Maximum number of PCI functions ( !! 612 srm_env then.
724 range 1 4096 <<
725 default "512" <<
726 help <<
727 This allows you to specify the maxim <<
728 this kernel will support. <<
729 <<
730 endif # PCI <<
731 <<
732 config HAS_IOMEM <<
733 def_bool PCI <<
734 <<
735 config CHSC_SCH <<
736 def_tristate m <<
737 prompt "Support for CHSC subchannels" <<
738 help <<
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 <<
746 613
747 To compile this driver as a module, !! 614 source "fs/Kconfig.binfmt"
748 module will be called chsc_sch. <<
749 615
750 If unsure, say N. !! 616 source "drivers/parport/Kconfig"
751 617
752 config SCM_BUS !! 618 endmenu
753 def_bool y <<
754 prompt "SCM bus driver" <<
755 help <<
756 Bus driver for Storage Class Memory. <<
757 619
758 config EADM_SCH !! 620 source "drivers/base/Kconfig"
759 def_tristate m <<
760 prompt "Support for EADM subchannels" <<
761 depends on SCM_BUS <<
762 help <<
763 This driver allows usage of EADM sub <<
764 as a communication vehicle for SCM i <<
765 621
766 To compile this driver as a module, !! 622 source "drivers/mtd/Kconfig"
767 module will be called eadm_sch. <<
768 623
769 config AP !! 624 source "drivers/pnp/Kconfig"
770 def_tristate y <<
771 prompt "Support for Adjunct Processors <<
772 help <<
773 This driver allows usage to Adjunct <<
774 the ap bus, cards and queues. Suppor <<
775 the CryptoExpress Cards (CEX). <<
776 625
777 To compile this driver as a module, !! 626 source "drivers/block/Kconfig"
778 module will be called ap. <<
779 627
780 If unsure, say Y (default). !! 628 source "drivers/md/Kconfig"
781 629
782 config AP_DEBUG !! 630 source "drivers/ide/Kconfig"
783 def_bool n <<
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. <<
789 631
790 There will be some more sysfs attrib !! 632 source "drivers/scsi/Kconfig"
791 633
792 Do not enable on production level ke !! 634 if PCI
>> 635 source "drivers/message/fusion/Kconfig"
>> 636 endif
793 637
794 If unsure, say N. !! 638 source "drivers/ieee1394/Kconfig"
795 639
796 config VFIO_CCW !! 640 source "net/Kconfig"
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 <<
817 641
818 To compile this driver as a module, !! 642 source "drivers/isdn/Kconfig"
819 will be called vfio_ap. <<
820 643
821 endmenu !! 644 source "drivers/cdrom/Kconfig"
822 645
823 config CCW !! 646 source "drivers/input/Kconfig"
824 def_bool y <<
825 647
826 config HAVE_PNETID !! 648 source "drivers/char/Kconfig"
827 tristate <<
828 default (SMC || CCWGROUP) <<
829 649
830 menu "Virtualization" !! 650 #source drivers/misc/Config.in
>> 651 source "drivers/media/Kconfig"
831 652
832 config PFAULT !! 653 source "fs/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. <<
857 654
858 config CMM_IUCV !! 655 source "drivers/video/Kconfig"
859 def_bool y <<
860 prompt "IUCV special message interface <<
861 depends on CMM && (SMSGIUCV=y || CMM=S <<
862 help <<
863 Select this option to enable the spe <<
864 the cooperative memory management. <<
865 656
866 config APPLDATA_BASE !! 657 source "sound/Kconfig"
867 def_bool n <<
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. <<
929 658
930 config S390_HYPFS !! 659 source "drivers/usb/Kconfig"
931 def_bool y <<
932 prompt "s390 hypervisor information" <<
933 help <<
934 This provides several binary files a <<
935 provide accounting information in an <<
936 660
937 config S390_HYPFS_FS !! 661 source "arch/alpha/oprofile/Kconfig"
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 <<
946 662
947 Say N if you are unsure. !! 663 menu "Kernel hacking"
948 664
949 source "arch/s390/kvm/Kconfig" !! 665 config ALPHA_LEGACY_START_ADDRESS
>> 666 bool "Legacy kernel start address"
>> 667 depends on ALPHA_GENERIC
>> 668 default n
>> 669 ---help---
>> 670 The 2.4 kernel changed the kernel start address from 0x310000
>> 671 to 0x810000 to make room for the Wildfire's larger SRM console.
>> 672 Recent consoles on Titan and Marvel machines also require the
>> 673 extra room.
>> 674
>> 675 If you're using aboot 0.7 or later, the bootloader will examine the
>> 676 ELF headers to determine where to transfer control. Unfortunately,
>> 677 most older bootloaders -- APB or MILO -- hardcoded the kernel start
>> 678 address rather than examining the ELF headers, and the result is a
>> 679 hard lockup.
>> 680
>> 681 Say Y if you have a broken bootloader. Say N if you do not, or if
>> 682 you wish to run on Wildfire, Titan, or Marvel.
>> 683
>> 684 config ALPHA_LEGACY_START_ADDRESS
>> 685 bool
>> 686 depends on !ALPHA_GENERIC && !ALPHA_TITAN && !ALPHA_MARVEL && !ALPHA_WILDFIRE
>> 687 default y
950 688
951 config S390_GUEST !! 689 config DEBUG_KERNEL
952 def_bool y !! 690 bool "Kernel debugging"
953 prompt "s390 support for virtio device <<
954 select TTY <<
955 select VIRTUALIZATION <<
956 select VIRTIO <<
957 help 691 help
958 Enabling this option adds support fo !! 692 Say Y here if you are developing drivers or trying to debug and
959 drivers on s390. !! 693 identify kernel problems.
960 694
961 Select this option if you want to ru !! 695 config MATHEMU
962 the KVM hypervisor. !! 696 tristate "Kernel FP software completion" if DEBUG_KERNEL
>> 697 default y if !DEBUG_KERNEL
>> 698 help
>> 699 This option is required for IEEE compliant floating point arithmetic
>> 700 on the Alpha. The only time you would ever not say Y is to say M in
>> 701 order to debug the code. Say Y unless you know what you are doing.
>> 702
>> 703 config DEBUG_SLAB
>> 704 bool "Debug memory allocations"
>> 705 depends on DEBUG_KERNEL
>> 706 help
>> 707 Say Y here to have the kernel do limited verification on memory
>> 708 allocation as well as poisoning memory on free to catch use of freed
>> 709 memory.
>> 710
>> 711 config MAGIC_SYSRQ
>> 712 bool "Magic SysRq key"
>> 713 depends on DEBUG_KERNEL
>> 714 help
>> 715 If you say Y here, you will have some control over the system even
>> 716 if the system crashes for example during kernel debugging (e.g., you
>> 717 will be able to flush the buffer cache to disk, reboot the system
>> 718 immediately or dump some status information). This is accomplished
>> 719 by pressing various keys while holding SysRq (Alt+PrintScreen). It
>> 720 also works on a serial console (on PC hardware at least), if you
>> 721 send a BREAK and then within 5 seconds a command keypress. The
>> 722 keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
>> 723 unless you really know what this hack does.
>> 724
>> 725 config DEBUG_SPINLOCK
>> 726 bool "Spinlock debugging"
>> 727 depends on DEBUG_KERNEL
>> 728 help
>> 729 Say Y here and build SMP to catch missing spinlock initialization
>> 730 and certain other kinds of spinlock errors commonly made. This is
>> 731 best used in conjunction with the NMI watchdog so that spinlock
>> 732 deadlocks are also debuggable.
>> 733
>> 734 config DEBUG_RWLOCK
>> 735 bool "Read-write spinlock debugging"
>> 736 depends on DEBUG_KERNEL
>> 737 help
>> 738 If you say Y here then read-write lock processing will count how many
>> 739 times it has tried to get the lock and issue an error message after
>> 740 too many attempts. If you suspect a rwlock problem or a kernel
>> 741 hacker asks for this option then say Y. Otherwise say N.
>> 742
>> 743 config DEBUG_SEMAPHORE
>> 744 bool "Semaphore debugging"
>> 745 depends on DEBUG_KERNEL
>> 746 help
>> 747 If you say Y here then semaphore processing will issue lots of
>> 748 verbose debugging messages. If you suspect a semaphore problem or a
>> 749 kernel hacker asks for this option then say Y. Otherwise say N.
>> 750
>> 751 config DEBUG_INFO
>> 752 bool "Compile the kernel with debug info"
>> 753 depends on DEBUG_KERNEL
>> 754 help
>> 755 If you say Y here the resulting kernel image will include
>> 756 debugging info resulting in a larger kernel image.
>> 757 Say Y here only if you plan to use gdb to debug the kernel.
>> 758 If you don't debug the kernel, you can say N.
963 759
964 endmenu 760 endmenu
965 761
966 config S390_MODULES_SANITY_TEST_HELPERS !! 762 source "security/Kconfig"
967 def_bool n <<
968 763
969 menu "Selftests" !! 764 source "crypto/Kconfig"
970 765
971 config S390_UNWIND_SELFTEST !! 766 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 767
1006 Say N if you are unsure. <<
1007 endmenu <<
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