1 # SPDX-License-Identifier: GPL-2.0 !! 1 # SPDX-License-Identifier: GPL-2.0-only
2 config MMU !! 2 config 64BIT
3 def_bool y !! 3 bool "64-bit kernel" if "$(ARCH)" = "sparc"
4 !! 4 default "$(ARCH)" = "sparc64"
5 config CPU_BIG_ENDIAN !! 5 help
6 def_bool y !! 6 SPARC is a family of RISC microprocessors designed and marketed by
7 !! 7 Sun Microsystems, incorporated. They are very widely found in Sun
8 config LOCKDEP_SUPPORT !! 8 workstations and clones.
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 9
44 config PCI_QUIRKS !! 10 Say yes to build a 64-bit kernel - formerly known as sparc64
45 def_bool n !! 11 Say no to build a 32-bit kernel - formerly known as sparc
46 12
47 config ARCH_SUPPORTS_UPROBES !! 13 config SPARC
48 def_bool y !! 14 bool
>> 15 default y
>> 16 select ARCH_HAS_CPU_CACHE_ALIASING
>> 17 select ARCH_HAS_DMA_OPS
>> 18 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
>> 19 select ARCH_MIGHT_HAVE_PC_SERIO
>> 20 select OF
>> 21 select OF_PROMTREE
>> 22 select HAVE_ASM_MODVERSIONS
>> 23 select HAVE_ARCH_KGDB if !SMP || SPARC64
>> 24 select HAVE_ARCH_TRACEHOOK
>> 25 select HAVE_ARCH_SECCOMP if SPARC64
>> 26 select HAVE_EXIT_THREAD
>> 27 select HAVE_PCI
>> 28 select SYSCTL_EXCEPTION_TRACE
>> 29 select RTC_CLASS
>> 30 select RTC_DRV_M48T59
>> 31 select RTC_SYSTOHC
>> 32 select HAVE_ARCH_JUMP_LABEL if SPARC64
>> 33 select GENERIC_IRQ_SHOW
>> 34 select ARCH_WANT_IPC_PARSE_VERSION
>> 35 select GENERIC_PCI_IOMAP
>> 36 select HAS_IOPORT
>> 37 select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64
>> 38 select HAVE_CBPF_JIT if SPARC32
>> 39 select HAVE_EBPF_JIT if SPARC64
>> 40 select HAVE_DEBUG_BUGVERBOSE
>> 41 select GENERIC_SMP_IDLE_THREAD
>> 42 select MODULES_USE_ELF_RELA
>> 43 select PCI_SYSCALL if PCI
>> 44 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
>> 45 select ODD_RT_SIGACTION
>> 46 select OLD_SIGSUSPEND
>> 47 select CPU_NO_EFFICIENT_FFS
>> 48 select LOCKDEP_SMALL if LOCKDEP
>> 49 select NEED_DMA_MAP_STATE
>> 50 select NEED_SG_DMA_LENGTH
>> 51 select TRACE_IRQFLAGS_SUPPORT
49 52
50 config KASAN_SHADOW_OFFSET !! 53 config SPARC32
51 hex !! 54 def_bool !64BIT
52 depends on KASAN !! 55 select ARCH_32BIT_OFF_T
53 default 0x1C000000000000 !! 56 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
>> 57 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 58 select CLZ_TAB
>> 59 select DMA_DIRECT_REMAP
>> 60 select GENERIC_ATOMIC64
>> 61 select GENERIC_LIB_CMPDI2
>> 62 select GENERIC_LIB_UCMPDI2
>> 63 select HAVE_UID16
>> 64 select HAVE_PAGE_SIZE_4KB
>> 65 select LOCK_MM_AND_FIND_VMA
>> 66 select OLD_SIGACTION
>> 67 select ZONE_DMA
54 68
55 config S390 !! 69 config SPARC64
56 def_bool y !! 70 def_bool 64BIT
57 # <<
58 # Note: keep this list sorted alphabet <<
59 # <<
60 imply IMA_SECURE_AND_OR_TRUSTED_BOOT <<
61 select ALTERNATE_USER_ADDRESS_SPACE 71 select ALTERNATE_USER_ADDRESS_SPACE
62 select ARCH_32BIT_USTAT_F_TINODE !! 72 select HAVE_FUNCTION_TRACER
63 select ARCH_BINFMT_ELF_STATE !! 73 select HAVE_FUNCTION_GRAPH_TRACER
64 select ARCH_CORRECT_STACKTRACE_ON_KRET !! 74 select HAVE_KRETPROBES
65 select ARCH_ENABLE_MEMORY_HOTPLUG if S !! 75 select HAVE_KPROBES
66 select ARCH_ENABLE_MEMORY_HOTREMOVE !! 76 select MMU_GATHER_RCU_TABLE_FREE if SMP
67 select ARCH_ENABLE_SPLIT_PMD_PTLOCK if !! 77 select MMU_GATHER_MERGE_VMAS
68 select ARCH_HAS_CURRENT_STACK_POINTER !! 78 select MMU_GATHER_NO_FLUSH_CACHE
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 79 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 80 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 81 select HAVE_FTRACE_MCOUNT_RECORD
185 select HAVE_FUNCTION_ARG_ACCESS_API !! 82 select HAVE_PAGE_SIZE_8KB
186 select HAVE_FUNCTION_ERROR_INJECTION !! 83 select HAVE_SYSCALL_TRACEPOINTS
187 select HAVE_FUNCTION_GRAPH_RETVAL !! 84 select HAVE_CONTEXT_TRACKING_USER
188 select HAVE_FUNCTION_GRAPH_TRACER !! 85 select HAVE_TIF_NOHZ
189 select HAVE_FUNCTION_TRACER !! 86 select HAVE_DEBUG_KMEMLEAK
190 select HAVE_GCC_PLUGINS !! 87 select IOMMU_HELPER
191 select HAVE_GENERIC_VDSO !! 88 select SPARSE_IRQ
192 select HAVE_IOREMAP_PROT if PCI !! 89 select RTC_DRV_CMOS
193 select HAVE_KERNEL_BZIP2 !! 90 select RTC_DRV_BQ4802
194 select HAVE_KERNEL_GZIP !! 91 select RTC_DRV_SUN4V
195 select HAVE_KERNEL_LZ4 !! 92 select RTC_DRV_STARFIRE
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 93 select HAVE_PERF_EVENTS
212 select HAVE_PERF_REGS !! 94 select PERF_USE_VMALLOC
213 select HAVE_PERF_USER_STACK_DUMP !! 95 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 96 select HAVE_C_RECORDMCOUNT
>> 97 select HAVE_ARCH_AUDITSYSCALL
>> 98 select ARCH_SUPPORTS_ATOMIC_RMW
>> 99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 100 select HAVE_NMI
214 select HAVE_REGS_AND_STACK_ACCESS_API 101 select HAVE_REGS_AND_STACK_ACCESS_API
215 select HAVE_RELIABLE_STACKTRACE !! 102 select ARCH_USE_QUEUED_RWLOCKS
216 select HAVE_RETHOOK !! 103 select ARCH_USE_QUEUED_SPINLOCKS
217 select HAVE_RSEQ !! 104 select GENERIC_TIME_VSYSCALL
218 select HAVE_SAMPLE_FTRACE_DIRECT !! 105 select ARCH_CLOCKSOURCE_DATA
219 select HAVE_SAMPLE_FTRACE_DIRECT_MULTI !! 106 select ARCH_HAS_PTE_SPECIAL
220 select HAVE_SETUP_PER_CPU_AREA !! 107 select PCI_DOMAINS if PCI
>> 108 select ARCH_HAS_GIGANTIC_PAGE
221 select HAVE_SOFTIRQ_ON_OWN_STACK 109 select HAVE_SOFTIRQ_ON_OWN_STACK
222 select HAVE_SYSCALL_TRACEPOINTS !! 110 select HAVE_SETUP_PER_CPU_AREA
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 111 select NEED_PER_CPU_EMBED_FIRST_CHUNK
233 select NEED_SG_DMA_LENGTH if PCI !! 112 select NEED_PER_CPU_PAGE_FIRST_CHUNK
234 select OLD_SIGACTION <<
235 select OLD_SIGSUSPEND3 <<
236 select PCI_DOMAINS if PCI <<
237 select PCI_MSI if PCI <<
238 select PCI_MSI_ARCH_FALLBACKS if PCI <<
239 select SPARSE_IRQ <<
240 select SWIOTLB <<
241 select SYSCTL_EXCEPTION_TRACE <<
242 select THREAD_INFO_IN_TASK <<
243 select TRACE_IRQFLAGS_SUPPORT <<
244 select TTY <<
245 select USER_STACKTRACE_SUPPORT <<
246 select VDSO_GETRANDOM <<
247 select VIRT_CPU_ACCOUNTING <<
248 select ZONE_DMA <<
249 # Note: keep the above list sorted alp <<
250 <<
251 config SCHED_OMIT_FRAME_POINTER <<
252 def_bool y <<
253 <<
254 config PGTABLE_LEVELS <<
255 int <<
256 default 5 <<
257 <<
258 source "kernel/livepatch/Kconfig" <<
259 <<
260 config ARCH_SUPPORTS_KEXEC <<
261 def_bool y <<
262 113
263 config ARCH_SUPPORTS_KEXEC_FILE !! 114 config ARCH_PROC_KCORE_TEXT
264 def_bool y <<
265 <<
266 config ARCH_SUPPORTS_KEXEC_SIG <<
267 def_bool MODULE_SIG_FORMAT <<
268 <<
269 config ARCH_SUPPORTS_KEXEC_PURGATORY <<
270 def_bool y 115 def_bool y
271 116
272 config ARCH_SUPPORTS_CRASH_DUMP !! 117 config CPU_BIG_ENDIAN
273 def_bool y 118 def_bool y
274 help <<
275 Refer to <file:Documentation/arch/s3 <<
276 This option also enables s390 zfcpdu <<
277 See also <file:Documentation/arch/s3 <<
278 <<
279 menu "Processor type and features" <<
280 119
281 config HAVE_MARCH_Z10_FEATURES !! 120 config STACKTRACE_SUPPORT
282 def_bool n !! 121 bool
283 !! 122 default y if SPARC64
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 <<
303 123
304 config HAVE_MARCH_Z16_FEATURES !! 124 config LOCKDEP_SUPPORT
305 def_bool n !! 125 bool
306 select HAVE_MARCH_Z15_FEATURES !! 126 default y if SPARC64
307 127
308 choice !! 128 config ARCH_HIBERNATION_POSSIBLE
309 prompt "Processor type" !! 129 def_bool y if SPARC64
310 default MARCH_Z196 <<
311 130
312 config MARCH_Z10 !! 131 config AUDIT_ARCH
313 bool "IBM System z10" !! 132 bool
314 select HAVE_MARCH_Z10_FEATURES !! 133 default y
315 depends on $(cc-option,-march=z10) <<
316 help <<
317 Select this to enable optimizations <<
318 series). This is the oldest machine <<
319 134
320 config MARCH_Z196 !! 135 config MMU
321 bool "IBM zEnterprise 114 and 196" !! 136 bool
322 select HAVE_MARCH_Z196_FEATURES !! 137 default y
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. <<
328 138
329 config MARCH_ZEC12 !! 139 config HIGHMEM
330 bool "IBM zBC12 and zEC12" !! 140 bool
331 select HAVE_MARCH_ZEC12_FEATURES !! 141 default y if SPARC32
332 depends on $(cc-option,-march=zEC12) !! 142 select KMAP_LOCAL
333 help <<
334 Select this to enable optimizations <<
335 2827 series). The kernel will be sli <<
336 older machines. <<
337 143
338 config MARCH_Z13 !! 144 config PGTABLE_LEVELS
339 bool "IBM z13s and z13" !! 145 default 4 if 64BIT
340 select HAVE_MARCH_Z13_FEATURES !! 146 default 3
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. <<
346 147
347 config MARCH_Z14 !! 148 config ARCH_SUPPORTS_UPROBES
348 bool "IBM z14 ZR1 and z14" !! 149 def_bool y if SPARC64
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. <<
355 150
356 config MARCH_Z15 !! 151 menu "Processor type and features"
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. <<
364 152
365 config MARCH_Z16 !! 153 config SMP
366 bool "IBM z16" !! 154 bool "Symmetric multi-processing support"
367 select HAVE_MARCH_Z16_FEATURES <<
368 depends on $(cc-option,-march=z16) <<
369 help 155 help
370 Select this to enable optimizations !! 156 This enables support for systems with more than one CPU. If you have
371 3932 series). !! 157 a system with only one CPU, say N. If you have a system with more
>> 158 than one CPU, say Y.
>> 159
>> 160 If you say N here, the kernel will run on uni- and multiprocessor
>> 161 machines, but will use only one CPU of a multiprocessor machine. If
>> 162 you say Y here, the kernel will run on many, but not all,
>> 163 uniprocessor machines. On a uniprocessor machine, the kernel
>> 164 will run faster if you say N here.
>> 165
>> 166 People using multiprocessor machines who say Y here should also say
>> 167 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 168 Management" code will be disabled if you say Y here.
372 169
373 endchoice !! 170 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
>> 171 available at <https://www.tldp.org/docs.html#howto>.
374 172
375 config MARCH_Z10_TUNE !! 173 If you don't know what to do here, say N.
376 def_bool TUNE_Z10 || MARCH_Z10 && TUNE <<
377 174
378 config MARCH_Z196_TUNE !! 175 config NR_CPUS
379 def_bool TUNE_Z196 || MARCH_Z196 && TU !! 176 int "Maximum number of CPUs"
>> 177 depends on SMP
>> 178 range 2 32 if SPARC32
>> 179 range 2 4096 if SPARC64
>> 180 default 32 if SPARC32
>> 181 default 4096 if SPARC64
380 182
381 config MARCH_ZEC12_TUNE !! 183 source "kernel/Kconfig.hz"
382 def_bool TUNE_ZEC12 || MARCH_ZEC12 && <<
383 184
384 config MARCH_Z13_TUNE !! 185 config GENERIC_HWEIGHT
385 def_bool TUNE_Z13 || MARCH_Z13 && TUNE !! 186 bool
>> 187 default y
386 188
387 config MARCH_Z14_TUNE !! 189 config GENERIC_CALIBRATE_DELAY
388 def_bool TUNE_Z14 || MARCH_Z14 && TUNE !! 190 bool
>> 191 default y
389 192
390 config MARCH_Z15_TUNE !! 193 config ARCH_MAY_HAVE_PC_FDC
391 def_bool TUNE_Z15 || MARCH_Z15 && TUNE !! 194 bool
>> 195 default y
392 196
393 config MARCH_Z16_TUNE !! 197 config EMULATED_CMPXCHG
394 def_bool TUNE_Z16 || MARCH_Z16 && TUNE !! 198 bool
>> 199 default y if SPARC32
>> 200 help
>> 201 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 202 is emulated, and therefore it is not completely atomic.
>> 203
>> 204 # Makefile helpers
>> 205 config SPARC32_SMP
>> 206 bool
>> 207 default y
>> 208 depends on SPARC32 && SMP
395 209
396 choice !! 210 config SPARC64_SMP
397 prompt "Tune code generation" !! 211 bool
398 default TUNE_DEFAULT !! 212 default y
399 help !! 213 depends on SPARC64 && SMP
400 Cause the compiler to tune (-mtune) <<
401 This will make the code run faster o <<
402 somewhat slower on other machines. <<
403 This option only changes how the com <<
404 selection of instructions itself, so <<
405 all other machines. <<
406 214
407 config TUNE_DEFAULT !! 215 config EARLYFB
408 bool "Default" !! 216 bool "Support for early boot text console"
>> 217 default y
>> 218 depends on SPARC64
>> 219 select FONT_SUN8x16
>> 220 select FONT_SUPPORT
409 help 221 help
410 Tune the generated code for the targ !! 222 Say Y here to enable a faster early framebuffer boot console.
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) <<
419 223
420 config TUNE_ZEC12 !! 224 config HOTPLUG_CPU
421 bool "IBM zBC12 and zEC12" !! 225 bool "Support for hot-pluggable CPUs"
422 depends on $(cc-option,-mtune=zEC12) !! 226 depends on SPARC64 && SMP
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 <<
440 endchoice <<
441 <<
442 config 64BIT <<
443 def_bool y <<
444 <<
445 config COMMAND_LINE_SIZE <<
446 int "Maximum size of kernel command li <<
447 default 4096 <<
448 range 896 1048576 <<
449 help 227 help
450 This allows you to specify the maxim !! 228 Say Y here to experiment with turning CPUs off and on. CPUs
451 line. !! 229 can be controlled through /sys/devices/system/cpu/cpu#.
452 !! 230 Say N if you want to disable CPU hotplug.
453 config COMPAT !! 231
454 def_bool n !! 232 if SPARC64
455 prompt "Kernel support for 31 bit emul !! 233 source "drivers/cpufreq/Kconfig"
456 select ARCH_WANT_OLD_COMPAT_IPC !! 234 endif
457 select COMPAT_OLD_SIGACTION !! 235
458 select HAVE_UID16 !! 236 config US3_MC
459 depends on MULTIUSER !! 237 tristate "UltraSPARC-III Memory Controller driver"
460 depends on !CC_IS_CLANG && !LD_IS_LLD !! 238 depends on SPARC64
>> 239 default y
461 help 240 help
462 Select this option if you want to en !! 241 This adds a driver for the UltraSPARC-III memory controller.
463 handle system-calls from ELF binarie !! 242 Loading this driver allows exact mnemonic strings to be
464 (and some other stuff like libraries !! 243 printed in the event of a memory error, so that the faulty DIMM
465 executing 31 bit applications. !! 244 on the motherboard can be matched to the error.
466 245
467 If unsure say N. !! 246 If in doubt, say Y, as this information can be very useful.
468 247
469 config SMP !! 248 # Global things across all Sun machines.
470 def_bool y !! 249 config GENERIC_LOCKBREAK
471 !! 250 bool
472 config NR_CPUS !! 251 default y
473 int "Maximum number of CPUs (2-512)" !! 252 depends on SPARC64 && SMP && PREEMPTION
474 range 2 512 <<
475 default "64" <<
476 help <<
477 This allows you to specify the maxim <<
478 kernel will support. The maximum sup <<
479 minimum value which makes sense is 2 <<
480 <<
481 This is purely to save memory - each <<
482 approximately sixteen kilobytes to t <<
483 <<
484 config HOTPLUG_CPU <<
485 def_bool y <<
486 253
487 config NUMA 254 config NUMA
488 bool "NUMA support" 255 bool "NUMA support"
489 depends on SCHED_TOPOLOGY !! 256 depends on SPARC64 && SMP
490 default n <<
491 help <<
492 Enable NUMA support <<
493 <<
494 This option adds NUMA support to the <<
495 257
496 config NODES_SHIFT 258 config NODES_SHIFT
497 int !! 259 int "Maximum NUMA Nodes (as a power of 2)"
>> 260 range 4 5 if SPARC64
>> 261 default "5"
498 depends on NUMA 262 depends on NUMA
499 default "1" <<
500 <<
501 config SCHED_SMT <<
502 def_bool n <<
503 <<
504 config SCHED_MC <<
505 def_bool n <<
506 <<
507 config SCHED_TOPOLOGY <<
508 def_bool y <<
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 <<
517 config SCHED_TOPOLOGY_VERTICAL <<
518 def_bool y <<
519 bool "Use vertical CPU polarization by <<
520 depends on SCHED_TOPOLOGY <<
521 help 263 help
522 Use vertical CPU polarization by def !! 264 Specify the maximum number of NUMA Nodes available on the target
523 The default CPU polarization is hori !! 265 system. Increases memory reserved to accommodate various tables.
524 <<
525 config HIPERDISPATCH_ON <<
526 def_bool y <<
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 <<
559 With the option enabled the kernel p <<
560 can be used to run the kernel in the <<
561 <<
562 With the option disabled the modifie <<
563 enabled with the "nobp=1" kernel par <<
564 <<
565 If unsure, say N. <<
566 <<
567 config EXPOLINE <<
568 def_bool n <<
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 <<
578 If unsure, say N. <<
579 <<
580 config EXPOLINE_EXTERN <<
581 def_bool EXPOLINE && CC_IS_GCC && GCC_ <<
582 $(success,$(srctree)/arch/s39 <<
583 help <<
584 Generate expolines as external funct <<
585 This option is required for some too <<
586 are enabled. The kernel is compiled <<
587 -mindirect-branch=thunk-extern, whic <<
588 <<
589 choice <<
590 prompt "Expoline default" <<
591 depends on EXPOLINE <<
592 default EXPOLINE_FULL <<
593 <<
594 config EXPOLINE_OFF <<
595 bool "spectre_v2=off" <<
596 <<
597 config EXPOLINE_AUTO <<
598 bool "spectre_v2=auto" <<
599 <<
600 config EXPOLINE_FULL <<
601 bool "spectre_v2=on" <<
602 <<
603 endchoice <<
604 <<
605 config RELOCATABLE <<
606 def_bool y <<
607 help <<
608 This builds a kernel image that reta <<
609 so it can be loaded at an arbitrary <<
610 The relocations make the kernel imag <<
611 10%), but are discarded at runtime. <<
612 Note: this option exists only for do <<
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 <<
656 endmenu <<
657 <<
658 menu "Memory setup" <<
659 266
660 config ARCH_SPARSEMEM_ENABLE 267 config ARCH_SPARSEMEM_ENABLE
661 def_bool y !! 268 def_bool y if SPARC64
662 select SPARSEMEM_VMEMMAP_ENABLE 269 select SPARSEMEM_VMEMMAP_ENABLE
663 select SPARSEMEM_VMEMMAP <<
664 270
665 config ARCH_SPARSEMEM_DEFAULT 271 config ARCH_SPARSEMEM_DEFAULT
666 def_bool y !! 272 def_bool y if SPARC64
667 <<
668 config MAX_PHYSMEM_BITS <<
669 int "Maximum size of supported physica <<
670 range 42 53 <<
671 default "46" <<
672 help <<
673 This option specifies the maximum su <<
674 in bits. Supported is any size betwe <<
675 Increasing the number of bits also i <<
676 By default 46 bits (64TB) are suppor <<
677 273
678 config CHECK_STACK !! 274 config ARCH_FORCE_MAX_ORDER
679 def_bool y !! 275 int "Order of maximal physically contiguous allocations"
680 depends on !VMAP_STACK !! 276 default "12"
681 prompt "Detect kernel stack overflow" !! 277 help
682 help !! 278 The kernel page allocator limits the size of maximal physically
683 This option enables the compiler opt !! 279 contiguous allocations. The limit is called MAX_PAGE_ORDER and it
684 -mstack-size if they are available. !! 280 defines the maximal power of two of number of pages that can be
685 it will emit additional code to each !! 281 allocated as a single contiguous block. This option allows
686 an illegal operation if the kernel s !! 282 overriding the default setting when ability to allocate very
687 !! 283 large blocks of physically contiguous memory is required.
688 Say N if you are unsure. !! 284
689 !! 285 Don't change if unsure.
690 config STACK_GUARD !! 286
691 int "Size of the guard area (128-1024) !! 287 if SPARC64 || COMPILE_TEST
692 range 128 1024 !! 288 source "kernel/power/Kconfig"
693 depends on CHECK_STACK !! 289 endif
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. <<
703 290
704 endmenu !! 291 config SCHED_SMT
705 !! 292 bool "SMT (Hyperthreading) scheduler support"
706 menu "I/O subsystem" !! 293 depends on SPARC64 && SMP
707 !! 294 default y
708 config QDIO <<
709 def_tristate y <<
710 prompt "QDIO support" <<
711 help 295 help
712 This driver provides the Queued Dire !! 296 SMT scheduler support improves the CPU scheduler's decision making
713 IBM System z. !! 297 when dealing with SPARC cpus at a cost of slightly increased overhead
714 !! 298 in some places. If unsure say N here.
715 To compile this driver as a module, <<
716 module will be called qdio. <<
717 <<
718 If unsure, say Y. <<
719 <<
720 if PCI <<
721 299
722 config PCI_NR_FUNCTIONS !! 300 config SCHED_MC
723 int "Maximum number of PCI functions ( !! 301 bool "Multi-core scheduler support"
724 range 1 4096 !! 302 depends on SPARC64 && SMP
725 default "512" !! 303 default y
726 help 304 help
727 This allows you to specify the maxim !! 305 Multi-core scheduler support improves the CPU scheduler's decision
728 this kernel will support. !! 306 making when dealing with multi-core CPU chips at a cost of slightly
729 !! 307 increased overhead in some places. If unsure say N here.
730 endif # PCI !! 308
731 !! 309 config CMDLINE_BOOL
732 config HAS_IOMEM !! 310 bool "Default bootloader kernel arguments"
733 def_bool PCI !! 311 depends on SPARC64
734 !! 312
735 config CHSC_SCH !! 313 config CMDLINE
736 def_tristate m !! 314 string "Initial kernel command string"
737 prompt "Support for CHSC subchannels" !! 315 depends on CMDLINE_BOOL
>> 316 default "console=ttyS0,9600 root=/dev/sda1"
>> 317 help
>> 318 Say Y here if you want to be able to pass default arguments to
>> 319 the kernel. This will be overridden by the bootloader, if you
>> 320 use one (such as SILO). This is most useful if you want to boot
>> 321 a kernel from TFTP, and want default options to be available
>> 322 with having them passed on the command line.
>> 323
>> 324 NOTE: This option WILL override the PROM bootargs setting!
>> 325
>> 326 config SUN_PM
>> 327 bool
>> 328 default y if SPARC32
>> 329 help
>> 330 Enable power management and CPU standby features on supported
>> 331 SPARC platforms.
>> 332
>> 333 config SPARC_LED
>> 334 tristate "Sun4m LED driver"
>> 335 depends on SPARC32
>> 336 help
>> 337 This driver toggles the front-panel LED on sun4m systems
>> 338 in a user-specifiable manner. Its state can be probed
>> 339 by reading /proc/led and its blinking mode can be changed
>> 340 via writes to /proc/led
>> 341
>> 342 config SERIAL_CONSOLE
>> 343 bool
>> 344 depends on SPARC32
>> 345 default y
738 help 346 help
739 This driver allows usage of CHSC sub !! 347 If you say Y here, it will be possible to use a serial port as the
740 is usually present on LPAR only. !! 348 system console (the system console is the device which receives all
741 The driver creates a device /dev/chs !! 349 kernel messages and warnings and which allows logins in single user
742 obtain I/O configuration information !! 350 mode). This could be useful if some terminal or printer is connected
743 to issue asynchronous chsc commands !! 351 to that serial port.
744 You will usually only want to use th !! 352
745 LPAR designated for system managemen !! 353 Even if you say Y here, the currently visible virtual console
746 !! 354 (/dev/tty0) will still be used as the system console by default, but
747 To compile this driver as a module, !! 355 you can alter that using a kernel command line option such as
748 module will be called chsc_sch. !! 356 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 357 your boot loader (silo) about how to pass options to the kernel at
>> 358 boot time.)
>> 359
>> 360 If you don't have a graphics card installed and you say Y here, the
>> 361 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 362 system console.
749 363
750 If unsure, say N. 364 If unsure, say N.
751 365
752 config SCM_BUS !! 366 config SPARC_LEON
753 def_bool y !! 367 bool "Sparc Leon processor family"
754 prompt "SCM bus driver" !! 368 depends on SPARC32
755 help !! 369 select USB_EHCI_BIG_ENDIAN_MMIO
756 Bus driver for Storage Class Memory. !! 370 select USB_EHCI_BIG_ENDIAN_DESC
757 !! 371 select USB_UHCI_BIG_ENDIAN_MMIO
758 config EADM_SCH !! 372 select USB_UHCI_BIG_ENDIAN_DESC
759 def_tristate m !! 373 help
760 prompt "Support for EADM subchannels" !! 374 If you say Y here if you are running on a SPARC-LEON processor.
761 depends on SCM_BUS !! 375 The LEON processor is a synthesizable VHDL model of the
762 help !! 376 SPARC-v8 standard. LEON is part of the GRLIB collection of
763 This driver allows usage of EADM sub !! 377 IP cores that are distributed under GPL. GRLIB can be downloaded
764 as a communication vehicle for SCM i !! 378 from www.gaisler.com. You can download a sparc-linux cross-compilation
765 !! 379 toolchain at www.gaisler.com.
766 To compile this driver as a module, !! 380
767 module will be called eadm_sch. !! 381 if SPARC_LEON
768 !! 382 menu "U-Boot options"
769 config AP !! 383
770 def_tristate y !! 384 config UBOOT_LOAD_ADDR
771 prompt "Support for Adjunct Processors !! 385 hex "uImage Load Address"
>> 386 default 0x40004000
>> 387 help
>> 388 U-Boot kernel load address, the address in physical address space
>> 389 where u-boot will place the Linux kernel before booting it.
>> 390 This address is normally the base address of main memory + 0x4000.
>> 391
>> 392 config UBOOT_FLASH_ADDR
>> 393 hex "uImage.o Load Address"
>> 394 default 0x00080000
>> 395 help
>> 396 Optional setting only affecting the uImage.o ELF-image used to
>> 397 download the uImage file to the target using a ELF-loader other than
>> 398 U-Boot. It may for example be used to download an uImage to FLASH with
>> 399 the GRMON utility before even starting u-boot.
>> 400
>> 401 config UBOOT_ENTRY_ADDR
>> 402 hex "uImage Entry Address"
>> 403 default 0xf0004000
772 help 404 help
773 This driver allows usage to Adjunct !! 405 Do not change this unless you know what you're doing. This is
774 the ap bus, cards and queues. Suppor !! 406 hardcoded by the SPARC32 and LEON port.
775 the CryptoExpress Cards (CEX). <<
776 <<
777 To compile this driver as a module, <<
778 module will be called ap. <<
779 407
780 If unsure, say Y (default). !! 408 This is the virtual address u-boot jumps to when booting the Linux
781 !! 409 Kernel.
782 config AP_DEBUG <<
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. <<
789 410
790 There will be some more sysfs attrib !! 411 endmenu
791 !! 412 endif
792 Do not enable on production level ke <<
793 <<
794 If unsure, say N. <<
795 <<
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 <<
818 To compile this driver as a module, <<
819 will be called vfio_ap. <<
820 413
821 endmenu 414 endmenu
822 415
823 config CCW !! 416 menu "Bus options (PCI etc.)"
824 def_bool y !! 417 config SBUS
>> 418 bool
>> 419 default y
825 420
826 config HAVE_PNETID !! 421 config SBUSCHAR
827 tristate !! 422 bool
828 default (SMC || CCWGROUP) !! 423 default y
829 424
830 menu "Virtualization" !! 425 config SUN_LDOMS
>> 426 bool "Sun Logical Domains support"
>> 427 depends on SPARC64
>> 428 help
>> 429 Say Y here is you want to support virtual devices via
>> 430 Logical Domains.
>> 431
>> 432 config PCIC_PCI
>> 433 bool
>> 434 depends on PCI && SPARC32 && !SPARC_LEON
>> 435 default y
831 436
832 config PFAULT !! 437 config LEON_PCI
833 def_bool y !! 438 bool
834 prompt "Pseudo page fault support" !! 439 depends on PCI && SPARC_LEON
835 help !! 440 default y
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. <<
857 441
858 config CMM_IUCV !! 442 config SPARC_GRPCI1
859 def_bool y !! 443 bool "GRPCI Host Bridge Support"
860 prompt "IUCV special message interface !! 444 depends on LEON_PCI
861 depends on CMM && (SMSGIUCV=y || CMM=S !! 445 default y
862 help 446 help
863 Select this option to enable the spe !! 447 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
864 the cooperative memory management. !! 448 PCI host controller is typically found in GRLIB SPARC32/LEON
865 !! 449 systems. The driver has one property (all_pci_errors) controlled
866 config APPLDATA_BASE !! 450 from the bootloader that makes the GRPCI to generate interrupts
867 def_bool n !! 451 on detected PCI Parity and System errors.
868 prompt "Linux - VM Monitor Stream, bas !! 452
869 depends on PROC_SYSCTL !! 453 config SPARC_GRPCI2
870 help !! 454 bool "GRPCI2 Host Bridge Support"
871 This provides a kernel interface for !! 455 depends on LEON_PCI
872 monitor records. The monitor records !! 456 default y
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 <<
930 config S390_HYPFS <<
931 def_bool y <<
932 prompt "s390 hypervisor information" <<
933 help 457 help
934 This provides several binary files a !! 458 Say Y here to include the GRPCI2 Host Bridge Driver.
935 provide accounting information in an <<
936 459
937 config S390_HYPFS_FS !! 460 config SUN_OPENPROMFS
938 def_bool n !! 461 tristate "Openprom tree appears in /proc/openprom"
939 prompt "s390 hypervisor file system su <<
940 select SYS_HYPERVISOR <<
941 depends on S390_HYPFS <<
942 help 462 help
943 This is a virtual file system intend !! 463 If you say Y, the OpenPROM device tree will be available as a
944 information in an s390 hypervisor en !! 464 virtual file system, which you can mount to /proc/openprom by "mount
945 is deprecated and should not be used !! 465 -t openpromfs none /proc/openprom".
946 466
947 Say N if you are unsure. !! 467 To compile the /proc/openprom support as a module, choose M here: the
>> 468 module will be called openpromfs.
948 469
949 source "arch/s390/kvm/Kconfig" !! 470 Only choose N if you know in advance that you will not need to modify
>> 471 OpenPROM settings on the running system.
950 472
951 config S390_GUEST !! 473 # Makefile helpers
952 def_bool y !! 474 config SPARC64_PCI
953 prompt "s390 support for virtio device !! 475 bool
954 select TTY !! 476 default y
955 select VIRTUALIZATION !! 477 depends on SPARC64 && PCI
956 select VIRTIO <<
957 help <<
958 Enabling this option adds support fo <<
959 drivers on s390. <<
960 478
961 Select this option if you want to ru !! 479 config SPARC64_PCI_MSI
962 the KVM hypervisor. !! 480 bool
>> 481 default y
>> 482 depends on SPARC64_PCI && PCI_MSI
963 483
964 endmenu 484 endmenu
965 485
966 config S390_MODULES_SANITY_TEST_HELPERS !! 486 config COMPAT
967 def_bool n !! 487 bool
968 !! 488 depends on SPARC64
969 menu "Selftests" !! 489 default y
970 !! 490 select HAVE_UID16
971 config S390_UNWIND_SELFTEST !! 491 select ARCH_WANT_OLD_COMPAT_IPC
972 def_tristate n !! 492 select COMPAT_OLD_SIGACTION
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 493
1006 Say N if you are unsure. !! 494 source "drivers/sbus/char/Kconfig"
1007 endmenu <<
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