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