~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/loongarch/Kconfig

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /arch/loongarch/Kconfig (Version linux-6.12-rc7) and /arch/sparc/Kconfig (Version linux-4.13.16)


  1 # SPDX-License-Identifier: GPL-2.0             !!   1 config 64BIT
  2 config LOONGARCH                               !!   2         bool "64-bit kernel" if ARCH = "sparc"
                                                   >>   3         default ARCH = "sparc64"
                                                   >>   4         help
                                                   >>   5           SPARC is a family of RISC microprocessors designed and marketed by
                                                   >>   6           Sun Microsystems, incorporated.  They are very widely found in Sun
                                                   >>   7           workstations and clones.
                                                   >>   8 
                                                   >>   9           Say yes to build a 64-bit kernel - formerly known as sparc64
                                                   >>  10           Say no to build a 32-bit kernel - formerly known as sparc
                                                   >>  11 
                                                   >>  12 config SPARC
  3         bool                                       13         bool
  4         default y                                  14         default y
  5         select ACPI                            !!  15         select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
  6         select ACPI_GENERIC_GSI if ACPI        << 
  7         select ACPI_MCFG if ACPI               << 
  8         select ACPI_HOTPLUG_CPU if ACPI_PROCES << 
  9         select ACPI_PPTT if ACPI               << 
 10         select ACPI_SYSTEM_POWER_STATES_SUPPOR << 
 11         select ARCH_BINFMT_ELF_STATE           << 
 12         select ARCH_DISABLE_KASAN_INLINE       << 
 13         select ARCH_ENABLE_MEMORY_HOTPLUG      << 
 14         select ARCH_ENABLE_MEMORY_HOTREMOVE    << 
 15         select ARCH_ENABLE_THP_MIGRATION if TR << 
 16         select ARCH_HAS_ACPI_TABLE_UPGRADE     << 
 17         select ARCH_HAS_CPU_FINALIZE_INIT      << 
 18         select ARCH_HAS_CURRENT_STACK_POINTER  << 
 19         select ARCH_HAS_DEBUG_VM_PGTABLE       << 
 20         select ARCH_HAS_FAST_MULTIPLIER        << 
 21         select ARCH_HAS_FORTIFY_SOURCE         << 
 22         select ARCH_HAS_KCOV                   << 
 23         select ARCH_HAS_KERNEL_FPU_SUPPORT if  << 
 24         select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS  << 
 25         select ARCH_HAS_NON_OVERLAPPING_ADDRES << 
 26         select ARCH_HAS_PTE_DEVMAP             << 
 27         select ARCH_HAS_PTE_SPECIAL            << 
 28         select ARCH_HAS_SET_MEMORY             << 
 29         select ARCH_HAS_SET_DIRECT_MAP         << 
 30         select ARCH_HAS_TICK_BROADCAST if GENE << 
 31         select ARCH_INLINE_READ_LOCK if !PREEM << 
 32         select ARCH_INLINE_READ_LOCK_BH if !PR << 
 33         select ARCH_INLINE_READ_LOCK_IRQ if !P << 
 34         select ARCH_INLINE_READ_LOCK_IRQSAVE i << 
 35         select ARCH_INLINE_READ_UNLOCK if !PRE << 
 36         select ARCH_INLINE_READ_UNLOCK_BH if ! << 
 37         select ARCH_INLINE_READ_UNLOCK_IRQ if  << 
 38         select ARCH_INLINE_READ_UNLOCK_IRQREST << 
 39         select ARCH_INLINE_WRITE_LOCK if !PREE << 
 40         select ARCH_INLINE_WRITE_LOCK_BH if !P << 
 41         select ARCH_INLINE_WRITE_LOCK_IRQ if ! << 
 42         select ARCH_INLINE_WRITE_LOCK_IRQSAVE  << 
 43         select ARCH_INLINE_WRITE_UNLOCK if !PR << 
 44         select ARCH_INLINE_WRITE_UNLOCK_BH if  << 
 45         select ARCH_INLINE_WRITE_UNLOCK_IRQ if << 
 46         select ARCH_INLINE_WRITE_UNLOCK_IRQRES << 
 47         select ARCH_INLINE_SPIN_TRYLOCK if !PR << 
 48         select ARCH_INLINE_SPIN_TRYLOCK_BH if  << 
 49         select ARCH_INLINE_SPIN_LOCK if !PREEM << 
 50         select ARCH_INLINE_SPIN_LOCK_BH if !PR << 
 51         select ARCH_INLINE_SPIN_LOCK_IRQ if !P << 
 52         select ARCH_INLINE_SPIN_LOCK_IRQSAVE i << 
 53         select ARCH_INLINE_SPIN_UNLOCK if !PRE << 
 54         select ARCH_INLINE_SPIN_UNLOCK_BH if ! << 
 55         select ARCH_INLINE_SPIN_UNLOCK_IRQ if  << 
 56         select ARCH_INLINE_SPIN_UNLOCK_IRQREST << 
 57         select ARCH_KEEP_MEMBLOCK              << 
 58         select ARCH_MIGHT_HAVE_PC_PARPORT      << 
 59         select ARCH_MIGHT_HAVE_PC_SERIO            16         select ARCH_MIGHT_HAVE_PC_SERIO
 60         select ARCH_SPARSEMEM_ENABLE           !!  17         select OF
 61         select ARCH_STACKWALK                  !!  18         select OF_PROMTREE
 62         select ARCH_SUPPORTS_ACPI              !!  19         select HAVE_IDE
 63         select ARCH_SUPPORTS_ATOMIC_RMW        !!  20         select HAVE_OPROFILE
 64         select ARCH_SUPPORTS_HUGETLBFS         !!  21         select HAVE_ARCH_KGDB if !SMP || SPARC64
 65         select ARCH_SUPPORTS_INT128 if CC_HAS_ !!  22         select HAVE_ARCH_TRACEHOOK
 66         select ARCH_SUPPORTS_LTO_CLANG         !!  23         select HAVE_EXIT_THREAD
 67         select ARCH_SUPPORTS_LTO_CLANG_THIN    !!  24         select SYSCTL_EXCEPTION_TRACE
 68         select ARCH_SUPPORTS_NUMA_BALANCING    !!  25         select RTC_CLASS
 69         select ARCH_USE_BUILTIN_BSWAP          !!  26         select RTC_DRV_M48T59
 70         select ARCH_USE_CMPXCHG_LOCKREF        !!  27         select RTC_SYSTOHC
 71         select ARCH_USE_QUEUED_RWLOCKS         !!  28         select HAVE_DMA_API_DEBUG
 72         select ARCH_USE_QUEUED_SPINLOCKS       !!  29         select HAVE_ARCH_JUMP_LABEL if SPARC64
 73         select ARCH_WANT_DEFAULT_BPF_JIT       << 
 74         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ << 
 75         select ARCH_WANT_LD_ORPHAN_WARN        << 
 76         select ARCH_WANT_OPTIMIZE_HUGETLB_VMEM << 
 77         select ARCH_WANTS_NO_INSTR             << 
 78         select ARCH_WANTS_THP_SWAP if HAVE_ARC << 
 79         select BUILDTIME_TABLE_SORT            << 
 80         select COMMON_CLK                      << 
 81         select CPU_PM                          << 
 82         select EFI                             << 
 83         select GENERIC_CLOCKEVENTS             << 
 84         select GENERIC_CMOS_UPDATE             << 
 85         select GENERIC_CPU_AUTOPROBE           << 
 86         select GENERIC_CPU_DEVICES             << 
 87         select GENERIC_CPU_VULNERABILITIES     << 
 88         select GENERIC_ENTRY                   << 
 89         select GENERIC_GETTIMEOFDAY            << 
 90         select GENERIC_IOREMAP if !ARCH_IOREMA << 
 91         select GENERIC_IRQ_MATRIX_ALLOCATOR    << 
 92         select GENERIC_IRQ_MULTI_HANDLER       << 
 93         select GENERIC_IRQ_PROBE               << 
 94         select GENERIC_IRQ_SHOW                    30         select GENERIC_IRQ_SHOW
 95         select GENERIC_LIB_ASHLDI3             !!  31         select ARCH_WANT_IPC_PARSE_VERSION
 96         select GENERIC_LIB_ASHRDI3             << 
 97         select GENERIC_LIB_CMPDI2              << 
 98         select GENERIC_LIB_LSHRDI3             << 
 99         select GENERIC_LIB_UCMPDI2             << 
100         select GENERIC_LIB_DEVMEM_IS_ALLOWED   << 
101         select GENERIC_PCI_IOMAP                   32         select GENERIC_PCI_IOMAP
102         select GENERIC_SCHED_CLOCK             !!  33         select HAVE_NMI_WATCHDOG if SPARC64
                                                   >>  34         select HAVE_CBPF_JIT if SPARC32
                                                   >>  35         select HAVE_EBPF_JIT if SPARC64
                                                   >>  36         select HAVE_DEBUG_BUGVERBOSE
103         select GENERIC_SMP_IDLE_THREAD             37         select GENERIC_SMP_IDLE_THREAD
104         select GENERIC_TIME_VSYSCALL           !!  38         select GENERIC_CLOCKEVENTS
105         select GENERIC_VDSO_TIME_NS            !!  39         select GENERIC_STRNCPY_FROM_USER
106         select GPIOLIB                         !!  40         select GENERIC_STRNLEN_USER
107         select HAS_IOPORT                      !!  41         select MODULES_USE_ELF_RELA
108         select HAVE_ARCH_AUDITSYSCALL          !!  42         select ODD_RT_SIGACTION
109         select HAVE_ARCH_JUMP_LABEL            !!  43         select OLD_SIGSUSPEND
110         select HAVE_ARCH_JUMP_LABEL_RELATIVE   !!  44         select ARCH_HAS_SG_CHAIN
111         select HAVE_ARCH_KASAN                 !!  45         select CPU_NO_EFFICIENT_FFS
112         select HAVE_ARCH_KFENCE                !!  46         select LOCKDEP_SMALL if LOCKDEP
113         select HAVE_ARCH_KGDB if PERF_EVENTS   !!  47         select ARCH_WANT_RELAX_ORDER
114         select HAVE_ARCH_MMAP_RND_BITS if MMU  !!  48 
115         select HAVE_ARCH_RANDOMIZE_KSTACK_OFFS !!  49 config SPARC32
116         select HAVE_ARCH_SECCOMP               !!  50         def_bool !64BIT
117         select HAVE_ARCH_SECCOMP_FILTER        !!  51         select GENERIC_ATOMIC64
118         select HAVE_ARCH_TRACEHOOK             !!  52         select CLZ_TAB
                                                   >>  53         select HAVE_UID16
                                                   >>  54         select OLD_SIGACTION
                                                   >>  55 
                                                   >>  56 config SPARC64
                                                   >>  57         def_bool 64BIT
                                                   >>  58         select HAVE_FUNCTION_TRACER
                                                   >>  59         select HAVE_FUNCTION_GRAPH_TRACER
                                                   >>  60         select HAVE_KRETPROBES
                                                   >>  61         select HAVE_KPROBES
                                                   >>  62         select HAVE_RCU_TABLE_FREE if SMP
                                                   >>  63         select HAVE_MEMBLOCK
                                                   >>  64         select HAVE_MEMBLOCK_NODE_MAP
119         select HAVE_ARCH_TRANSPARENT_HUGEPAGE      65         select HAVE_ARCH_TRANSPARENT_HUGEPAGE
120         select HAVE_ARCH_USERFAULTFD_MINOR if  << 
121         select HAVE_ASM_MODVERSIONS            << 
122         select HAVE_CONTEXT_TRACKING_USER      << 
123         select HAVE_C_RECORDMCOUNT             << 
124         select HAVE_DEBUG_KMEMLEAK             << 
125         select HAVE_DEBUG_STACKOVERFLOW        << 
126         select HAVE_DMA_CONTIGUOUS             << 
127         select HAVE_DYNAMIC_FTRACE                 66         select HAVE_DYNAMIC_FTRACE
128         select HAVE_DYNAMIC_FTRACE_WITH_ARGS   << 
129         select HAVE_DYNAMIC_FTRACE_WITH_DIRECT << 
130         select HAVE_DYNAMIC_FTRACE_WITH_REGS   << 
131         select HAVE_EBPF_JIT                   << 
132         select HAVE_EFFICIENT_UNALIGNED_ACCESS << 
133         select HAVE_EXIT_THREAD                << 
134         select HAVE_GUP_FAST                   << 
135         select HAVE_FTRACE_MCOUNT_RECORD           67         select HAVE_FTRACE_MCOUNT_RECORD
136         select HAVE_FUNCTION_ARG_ACCESS_API    << 
137         select HAVE_FUNCTION_ERROR_INJECTION   << 
138         select HAVE_FUNCTION_GRAPH_RETVAL if H << 
139         select HAVE_FUNCTION_GRAPH_TRACER      << 
140         select HAVE_FUNCTION_TRACER            << 
141         select HAVE_GCC_PLUGINS                << 
142         select HAVE_GENERIC_VDSO               << 
143         select HAVE_HW_BREAKPOINT if PERF_EVEN << 
144         select HAVE_IOREMAP_PROT               << 
145         select HAVE_IRQ_EXIT_ON_IRQ_STACK      << 
146         select HAVE_IRQ_TIME_ACCOUNTING        << 
147         select HAVE_KPROBES                    << 
148         select HAVE_KPROBES_ON_FTRACE          << 
149         select HAVE_KRETPROBES                 << 
150         select HAVE_LIVEPATCH                  << 
151         select HAVE_MOD_ARCH_SPECIFIC          << 
152         select HAVE_NMI                        << 
153         select HAVE_OBJTOOL if AS_HAS_EXPLICIT << 
154         select HAVE_PCI                        << 
155         select HAVE_PERF_EVENTS                << 
156         select HAVE_PERF_REGS                  << 
157         select HAVE_PERF_USER_STACK_DUMP       << 
158         select HAVE_PREEMPT_DYNAMIC_KEY        << 
159         select HAVE_REGS_AND_STACK_ACCESS_API  << 
160         select HAVE_RELIABLE_STACKTRACE if UNW << 
161         select HAVE_RETHOOK                    << 
162         select HAVE_RSEQ                       << 
163         select HAVE_RUST                       << 
164         select HAVE_SAMPLE_FTRACE_DIRECT       << 
165         select HAVE_SAMPLE_FTRACE_DIRECT_MULTI << 
166         select HAVE_SETUP_PER_CPU_AREA if NUMA << 
167         select HAVE_STACK_VALIDATION if HAVE_O << 
168         select HAVE_STACKPROTECTOR             << 
169         select HAVE_SYSCALL_TRACEPOINTS            68         select HAVE_SYSCALL_TRACEPOINTS
170         select HAVE_TIF_NOHZ                   !!  69         select HAVE_CONTEXT_TRACKING
171         select HAVE_VIRT_CPU_ACCOUNTING_GEN if !!  70         select HAVE_DEBUG_KMEMLEAK
172         select IRQ_FORCED_THREADING            << 
173         select IRQ_LOONGARCH_CPU               << 
174         select LOCK_MM_AND_FIND_VMA            << 
175         select MMU_GATHER_MERGE_VMAS if MMU    << 
176         select MODULES_USE_ELF_RELA if MODULES << 
177         select NEED_PER_CPU_EMBED_FIRST_CHUNK  << 
178         select NEED_PER_CPU_PAGE_FIRST_CHUNK   << 
179         select OF                              << 
180         select OF_EARLY_FLATTREE               << 
181         select PCI                             << 
182         select PCI_DOMAINS_GENERIC             << 
183         select PCI_ECAM if ACPI                << 
184         select PCI_LOONGSON                    << 
185         select PCI_MSI_ARCH_FALLBACKS          << 
186         select PCI_QUIRKS                      << 
187         select PERF_USE_VMALLOC                << 
188         select RTC_LIB                         << 
189         select SPARSE_IRQ                          71         select SPARSE_IRQ
190         select SYSCTL_ARCH_UNALIGN_ALLOW       !!  72         select RTC_DRV_CMOS
191         select SYSCTL_ARCH_UNALIGN_NO_WARN     !!  73         select RTC_DRV_BQ4802
192         select SYSCTL_EXCEPTION_TRACE          !!  74         select RTC_DRV_SUN4V
193         select SWIOTLB                         !!  75         select RTC_DRV_STARFIRE
194         select TRACE_IRQFLAGS_SUPPORT          !!  76         select HAVE_PERF_EVENTS
195         select USE_PERCPU_NUMA_NODE_ID         !!  77         select PERF_USE_VMALLOC
196         select USER_STACKTRACE_SUPPORT         !!  78         select IRQ_PREFLOW_FASTEOI
197         select VDSO_GETRANDOM                  !!  79         select ARCH_HAVE_NMI_SAFE_CMPXCHG
198         select ZONE_DMA32                      !!  80         select HAVE_C_RECORDMCOUNT
199                                                !!  81         select NO_BOOTMEM
200 config 32BIT                                   !!  82         select HAVE_ARCH_AUDITSYSCALL
201         bool                                   !!  83         select ARCH_SUPPORTS_ATOMIC_RMW
202                                                !!  84         select HAVE_NMI
203 config 64BIT                                   !!  85         select HAVE_REGS_AND_STACK_ACCESS_API
204         def_bool y                             !!  86         select ARCH_USE_QUEUED_RWLOCKS
205                                                !!  87         select ARCH_USE_QUEUED_SPINLOCKS
206 config GENERIC_BUG                             << 
207         def_bool y                             << 
208         depends on BUG                         << 
209                                                << 
210 config GENERIC_BUG_RELATIVE_POINTERS           << 
211         def_bool y                             << 
212         depends on GENERIC_BUG                 << 
213                                                    88 
214 config GENERIC_CALIBRATE_DELAY                 !!  89 config ARCH_DEFCONFIG
215         def_bool y                             !!  90         string
                                                   >>  91         default "arch/sparc/configs/sparc32_defconfig" if SPARC32
                                                   >>  92         default "arch/sparc/configs/sparc64_defconfig" if SPARC64
216                                                    93 
217 config GENERIC_CSUM                            !!  94 config ARCH_PROC_KCORE_TEXT
218         def_bool y                                 95         def_bool y
219                                                    96 
220 config GENERIC_HWEIGHT                         !!  97 config CPU_BIG_ENDIAN
221         def_bool y                                 98         def_bool y
222                                                    99 
223 config L1_CACHE_SHIFT                          !! 100 config ARCH_ATU
224         int                                    << 
225         default "6"                            << 
226                                                << 
227 config LOCKDEP_SUPPORT                         << 
228         bool                                      101         bool
229         default y                              !! 102         default y if SPARC64
230                                                   103 
231 config STACKTRACE_SUPPORT                      !! 104 config ARCH_DMA_ADDR_T_64BIT
232         bool                                      105         bool
233         default y                              !! 106         default y if ARCH_ATU
234                                                << 
235 # MACH_LOONGSON32 and MACH_LOONGSON64 are deli << 
236 # MIPS Loongson code, to preserve Loongson-spe << 
237 # are shared between architectures, and specif << 
238 config MACH_LOONGSON32                         << 
239         def_bool 32BIT                         << 
240                                                << 
241 config MACH_LOONGSON64                         << 
242         def_bool 64BIT                         << 
243                                                   107 
244 config FIX_EARLYCON_MEM                        !! 108 config IOMMU_HELPER
245         def_bool y                             << 
246                                                << 
247 config PGTABLE_2LEVEL                          << 
248         bool                                      109         bool
                                                   >> 110         default y if SPARC64
249                                                   111 
250 config PGTABLE_3LEVEL                          !! 112 config STACKTRACE_SUPPORT
251         bool                                      113         bool
                                                   >> 114         default y if SPARC64
252                                                   115 
253 config PGTABLE_4LEVEL                          !! 116 config LOCKDEP_SUPPORT
254         bool                                      117         bool
                                                   >> 118         default y if SPARC64
255                                                   119 
256 config PGTABLE_LEVELS                          !! 120 config ARCH_HIBERNATION_POSSIBLE
257         int                                    !! 121         def_bool y if SPARC64
258         default 2 if PGTABLE_2LEVEL            << 
259         default 3 if PGTABLE_3LEVEL            << 
260         default 4 if PGTABLE_4LEVEL            << 
261                                                   122 
262 config SCHED_OMIT_FRAME_POINTER                !! 123 config AUDIT_ARCH
263         bool                                      124         bool
264         default y                                 125         default y
265                                                   126 
266 config AS_HAS_EXPLICIT_RELOCS                  !! 127 config HAVE_SETUP_PER_CPU_AREA
267         def_bool $(as-instr,x:pcalau12i \$t0$( !! 128         def_bool y if SPARC64
268                                                   129 
269 config AS_HAS_FCSR_CLASS                       !! 130 config NEED_PER_CPU_EMBED_FIRST_CHUNK
270         def_bool $(as-instr,movfcsr2gr \$t0$(c !! 131         def_bool y if SPARC64
271                                                   132 
272 config AS_HAS_THIN_ADD_SUB                     !! 133 config NEED_PER_CPU_PAGE_FIRST_CHUNK
273         def_bool $(cc-option,-Wa$(comma)-mthin !! 134         def_bool y if SPARC64
274                                                   135 
275 config AS_HAS_LSX_EXTENSION                    !! 136 config MMU
276         def_bool $(as-instr,vld \$vr0$(comma)\ !! 137         bool
                                                   >> 138         default y
277                                                   139 
278 config AS_HAS_LASX_EXTENSION                   !! 140 config HIGHMEM
279         def_bool $(as-instr,xvld \$xr0$(comma) !! 141         bool
                                                   >> 142         default y if SPARC32
280                                                   143 
281 config AS_HAS_LBT_EXTENSION                    !! 144 config ZONE_DMA
282         def_bool $(as-instr,movscr2gr \$a0$(co !! 145         bool
                                                   >> 146         default y if SPARC32
283                                                   147 
284 config AS_HAS_LVZ_EXTENSION                    !! 148 config NEED_DMA_MAP_STATE
285         def_bool $(as-instr,hvcl 0)            !! 149         def_bool y
286                                                   150 
287 menu "Kernel type and options"                 !! 151 config NEED_SG_DMA_LENGTH
                                                   >> 152         def_bool y
288                                                   153 
289 source "kernel/Kconfig.hz"                     !! 154 config GENERIC_ISA_DMA
                                                   >> 155         bool
                                                   >> 156         default y if SPARC32
290                                                   157 
291 choice                                         !! 158 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
292         prompt "Page Table Layout"             !! 159         def_bool y if SPARC64
293         default 16KB_2LEVEL if 32BIT           << 
294         default 16KB_3LEVEL if 64BIT           << 
295         help                                   << 
296           Allows choosing the page table layou << 
297           of page size and page table levels.  << 
298           address space are determined by the  << 
299                                                   160 
300 config 4KB_3LEVEL                              !! 161 config PGTABLE_LEVELS
301         bool "4KB with 3 levels"               !! 162         default 4 if 64BIT
302         select HAVE_PAGE_SIZE_4KB              !! 163         default 3
303         select PGTABLE_3LEVEL                  << 
304         help                                   << 
305           This option selects 4KB page size wi << 
306           support a maximum of 39 bits of appl << 
307                                                   164 
308 config 4KB_4LEVEL                              !! 165 config ARCH_SUPPORTS_UPROBES
309         bool "4KB with 4 levels"               !! 166         def_bool y if SPARC64
310         select HAVE_PAGE_SIZE_4KB              << 
311         select PGTABLE_4LEVEL                  << 
312         help                                   << 
313           This option selects 4KB page size wi << 
314           support a maximum of 48 bits of appl << 
315                                                   167 
316 config 16KB_2LEVEL                             !! 168 source "init/Kconfig"
317         bool "16KB with 2 levels"              << 
318         select HAVE_PAGE_SIZE_16KB             << 
319         select PGTABLE_2LEVEL                  << 
320         help                                   << 
321           This option selects 16KB page size w << 
322           support a maximum of 36 bits of appl << 
323                                                   169 
324 config 16KB_3LEVEL                             !! 170 source "kernel/Kconfig.freezer"
325         bool "16KB with 3 levels"              << 
326         select HAVE_PAGE_SIZE_16KB             << 
327         select PGTABLE_3LEVEL                  << 
328         help                                   << 
329           This option selects 16KB page size w << 
330           support a maximum of 47 bits of appl << 
331                                                   171 
332 config 64KB_2LEVEL                             !! 172 menu "Processor type and features"
333         bool "64KB with 2 levels"              << 
334         select HAVE_PAGE_SIZE_64KB             << 
335         select PGTABLE_2LEVEL                  << 
336         help                                   << 
337           This option selects 64KB page size w << 
338           support a maximum of 42 bits of appl << 
339                                                   173 
340 config 64KB_3LEVEL                             !! 174 config SMP
341         bool "64KB with 3 levels"              !! 175         bool "Symmetric multi-processing support"
342         select HAVE_PAGE_SIZE_64KB             !! 176         ---help---
343         select PGTABLE_3LEVEL                  !! 177           This enables support for systems with more than one CPU. If you have
344         help                                   !! 178           a system with only one CPU, say N. If you have a system with more
345           This option selects 64KB page size w !! 179           than one CPU, say Y.
346           support a maximum of 55 bits of appl << 
347                                                << 
348 endchoice                                      << 
349                                                   180 
350 config CMDLINE                                 !! 181           If you say N here, the kernel will run on uni- and multiprocessor
351         string "Built-in kernel command line"  !! 182           machines, but will use only one CPU of a multiprocessor machine. If
352         help                                   !! 183           you say Y here, the kernel will run on many, but not all,
353           For most platforms, the arguments fo !! 184           uniprocessor machines. On a uniprocessor machine, the kernel
354           are provided at run-time, during boo !! 185           will run faster if you say N here.
355           where either no arguments are being  << 
356           arguments are insufficient or even i << 
357                                                   186 
358           When that occurs, it is possible to  !! 187           People using multiprocessor machines who say Y here should also say
359           line here and choose how the kernel  !! 188           Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
                                                   >> 189           Management" code will be disabled if you say Y here.
360                                                   190 
361 choice                                         !! 191           See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
362         prompt "Kernel command line type"      !! 192           available at <http://www.tldp.org/docs.html#howto>.
363         default CMDLINE_BOOTLOADER             << 
364         help                                   << 
365           Choose how the kernel will handle th << 
366           line.                                << 
367                                                   193 
368 config CMDLINE_BOOTLOADER                      !! 194           If you don't know what to do here, say N.
369         bool "Use bootloader kernel arguments  << 
370         help                                   << 
371           Prefer the command-line passed by th << 
372           Use the built-in command line as fal << 
373           during boot. This is the default beh << 
374                                                   195 
375 config CMDLINE_EXTEND                          !! 196 config NR_CPUS
376         bool "Use built-in to extend bootloade !! 197         int "Maximum number of CPUs"
377         help                                   !! 198         depends on SMP
378           The command-line arguments provided  !! 199         range 2 32 if SPARC32
379           appended to the built-in command lin !! 200         range 2 4096 if SPARC64
380           cases where the provided arguments a !! 201         default 32 if SPARC32
381           you don't want to or cannot modify t !! 202         default 4096 if SPARC64
382                                                   203 
383 config CMDLINE_FORCE                           !! 204 source kernel/Kconfig.hz
384         bool "Always use the built-in kernel c << 
385         help                                   << 
386           Always use the built-in command line << 
387           boot. This is useful in case you nee << 
388           command line on systems where you do << 
389           over it.                             << 
390                                                   205 
391 endchoice                                      !! 206 config RWSEM_GENERIC_SPINLOCK
                                                   >> 207         bool
                                                   >> 208         default y if SPARC32
392                                                   209 
393 config BUILTIN_DTB                             !! 210 config RWSEM_XCHGADD_ALGORITHM
394         bool "Enable built-in dtb in kernel"   !! 211         bool
395         depends on OF                          !! 212         default y if SPARC64
396         help                                   << 
397           Some existing systems do not provide << 
398           the kernel at boot time. Let's provi << 
399           kernel, keyed by the dts filename, c << 
400                                                   213 
401           Built-in DTBs are generic enough and !! 214 config GENERIC_HWEIGHT
                                                   >> 215         bool
                                                   >> 216         default y
402                                                   217 
403 config BUILTIN_DTB_NAME                        !! 218 config GENERIC_CALIBRATE_DELAY
404         string "Source file for built-in dtb"  !! 219         bool
405         depends on BUILTIN_DTB                 !! 220         default y
406         help                                   << 
407           Base name (without suffix, relative  << 
408           for the DTS file that will be used t << 
409           the kernel.                          << 
410                                                   221 
411 config DMI                                     !! 222 config ARCH_MAY_HAVE_PC_FDC
412         bool "Enable DMI scanning"             !! 223         bool
413         select DMI_SCAN_MACHINE_NON_EFI_FALLBA << 
414         default y                                 224         default y
415         help                                   << 
416           This enables SMBIOS/DMI feature for  << 
417           DMI to identify machine quirks.      << 
418                                                   225 
419 config EFI                                     !! 226 config EMULATED_CMPXCHG
420         bool "EFI runtime service support"     !! 227         bool
421         select UCS2_STRING                     !! 228         default y if SPARC32
422         select EFI_RUNTIME_WRAPPERS            << 
423         help                                      229         help
424           This enables the kernel to use EFI r !! 230           Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
425           available (such as the EFI variable  !! 231           is emulated, and therefore it is not completely atomic.
426                                                   232 
427 config EFI_STUB                                !! 233 # Makefile helpers
428         bool "EFI boot stub support"           !! 234 config SPARC32_SMP
                                                   >> 235         bool
429         default y                                 236         default y
430         depends on EFI                         !! 237         depends on SPARC32 && SMP
431         select EFI_GENERIC_STUB                << 
432         help                                   << 
433           This kernel feature allows the kerne << 
434           EFI firmware without the use of a bo << 
435                                                   238 
436 config SCHED_SMT                               !! 239 config SPARC64_SMP
437         bool "SMT scheduler support"           !! 240         bool
438         depends on SMP                         << 
439         default y                                 241         default y
440         help                                   !! 242         depends on SPARC64 && SMP
441           Improves scheduler's performance whe << 
442           threads in one physical core.        << 
443                                                   243 
444 config SMP                                     !! 244 config EARLYFB
445         bool "Multi-Processing support"        !! 245         bool "Support for early boot text console"
                                                   >> 246         default y
                                                   >> 247         depends on SPARC64
446         help                                      248         help
447           This enables support for systems wit !! 249           Say Y here to enable a faster early framebuffer boot console.
448           a system with only one CPU, say N. I << 
449           than one CPU, say Y.                 << 
450                                                   250 
451           If you say N here, the kernel will r !! 251 config SECCOMP
452           machines, but will use only one CPU  !! 252         bool "Enable seccomp to safely compute untrusted bytecode"
453           you say Y here, the kernel will run  !! 253         depends on SPARC64 && PROC_FS
454           uniprocessor machines. On a uniproce !! 254         default y
455           will run faster if you say N here.   !! 255         help
456                                                !! 256           This kernel feature is useful for number crunching applications
457           See also the SMP-HOWTO available at  !! 257           that may need to compute untrusted bytecode during their
                                                   >> 258           execution. By using pipes or other transports made available to
                                                   >> 259           the process as file descriptors supporting the read/write
                                                   >> 260           syscalls, it's possible to isolate those applications in
                                                   >> 261           their own address space using seccomp. Once seccomp is
                                                   >> 262           enabled via /proc/<pid>/seccomp, it cannot be disabled
                                                   >> 263           and the task is only allowed to execute a few safe syscalls
                                                   >> 264           defined by each seccomp mode.
458                                                   265 
459           If you don't know what to do here, s !! 266           If unsure, say Y. Only embedded should say N here.
460                                                   267 
461 config HOTPLUG_CPU                                268 config HOTPLUG_CPU
462         bool "Support for hot-pluggable CPUs"     269         bool "Support for hot-pluggable CPUs"
463         depends on SMP                         !! 270         depends on SPARC64 && SMP
464         select GENERIC_IRQ_MIGRATION           << 
465         help                                      271         help
466           Say Y here to allow turning CPUs off !! 272           Say Y here to experiment with turning CPUs off and on.  CPUs
467           controlled through /sys/devices/syst !! 273           can be controlled through /sys/devices/system/cpu/cpu#.
468           (Note: power management support will << 
469             automatically on SMP systems. )    << 
470           Say N if you want to disable CPU hot    274           Say N if you want to disable CPU hotplug.
471                                                   275 
472 config NR_CPUS                                 !! 276 if SPARC64
473         int "Maximum number of CPUs (2-256)"   !! 277 source "drivers/cpufreq/Kconfig"
474         range 2 256                            !! 278 endif
475         depends on SMP                         !! 279 
476         default "64"                           !! 280 config US3_MC
                                                   >> 281         tristate "UltraSPARC-III Memory Controller driver"
                                                   >> 282         depends on SPARC64
                                                   >> 283         default y
477         help                                      284         help
478           This allows you to specify the maxim !! 285           This adds a driver for the UltraSPARC-III memory controller.
479           kernel will support.                 !! 286           Loading this driver allows exact mnemonic strings to be
                                                   >> 287           printed in the event of a memory error, so that the faulty DIMM
                                                   >> 288           on the motherboard can be matched to the error.
                                                   >> 289 
                                                   >> 290           If in doubt, say Y, as this information can be very useful.
                                                   >> 291 
                                                   >> 292 # Global things across all Sun machines.
                                                   >> 293 config GENERIC_LOCKBREAK
                                                   >> 294         bool
                                                   >> 295         default y
                                                   >> 296         depends on SPARC64 && SMP && PREEMPT
480                                                   297 
481 config NUMA                                       298 config NUMA
482         bool "NUMA Support"                    !! 299         bool "NUMA support"
483         select SMP                             !! 300         depends on SPARC64 && SMP
484         help                                   << 
485           Say Y to compile the kernel with NUM << 
486           support.  This option improves perfo << 
487           than one NUMA node; on single node s << 
488           to leave it disabled.                << 
489                                                   301 
490 config NODES_SHIFT                                302 config NODES_SHIFT
491         int                                    !! 303         int "Maximum NUMA Nodes (as a power of 2)"
492         default "6"                            !! 304         range 4 5 if SPARC64
493         depends on NUMA                        !! 305         default "5"
                                                   >> 306         depends on NEED_MULTIPLE_NODES
                                                   >> 307         help
                                                   >> 308           Specify the maximum number of NUMA Nodes available on the target
                                                   >> 309           system.  Increases memory reserved to accommodate various tables.
                                                   >> 310 
                                                   >> 311 # Some NUMA nodes have memory ranges that span
                                                   >> 312 # other nodes.  Even though a pfn is valid and
                                                   >> 313 # between a node's start and end pfns, it may not
                                                   >> 314 # reside on that node.  See memmap_init_zone()
                                                   >> 315 # for details.
                                                   >> 316 config NODES_SPAN_OTHER_NODES
                                                   >> 317         def_bool y
                                                   >> 318         depends on NEED_MULTIPLE_NODES
                                                   >> 319 
                                                   >> 320 config ARCH_SELECT_MEMORY_MODEL
                                                   >> 321         def_bool y if SPARC64
494                                                   322 
495 config ARCH_FORCE_MAX_ORDER                    !! 323 config ARCH_SPARSEMEM_ENABLE
                                                   >> 324         def_bool y if SPARC64
                                                   >> 325         select SPARSEMEM_VMEMMAP_ENABLE
                                                   >> 326 
                                                   >> 327 config ARCH_SPARSEMEM_DEFAULT
                                                   >> 328         def_bool y if SPARC64
                                                   >> 329 
                                                   >> 330 config FORCE_MAX_ZONEORDER
496         int "Maximum zone order"                  331         int "Maximum zone order"
497         default "13" if PAGE_SIZE_64KB         !! 332         default "13"
498         default "11" if PAGE_SIZE_16KB         << 
499         default "10"                           << 
500         help                                      333         help
501           The kernel memory allocator divides     334           The kernel memory allocator divides physically contiguous memory
502           blocks into "zones", where each zone    335           blocks into "zones", where each zone is a power of two number of
503           pages.  This option selects the larg    336           pages.  This option selects the largest power of two that the kernel
504           keeps in the memory allocator.  If y    337           keeps in the memory allocator.  If you need to allocate very large
505           blocks of physically contiguous memo    338           blocks of physically contiguous memory, then you may need to
506           increase this value.                    339           increase this value.
507                                                   340 
508           The page size is not necessarily 4KB !! 341           This config option is actually maximum order plus one. For example,
509           when choosing a value for this optio !! 342           a value of 13 means that the largest free memory block is 2^12 pages.
                                                   >> 343 
                                                   >> 344 source "mm/Kconfig"
                                                   >> 345 
                                                   >> 346 if SPARC64
                                                   >> 347 source "kernel/power/Kconfig"
                                                   >> 348 endif
510                                                   349 
511 config ARCH_IOREMAP                            !! 350 config SCHED_SMT
512         bool "Enable LoongArch DMW-based iorem !! 351         bool "SMT (Hyperthreading) scheduler support"
                                                   >> 352         depends on SPARC64 && SMP
                                                   >> 353         default y
513         help                                      354         help
514           We use generic TLB-based ioremap() b !! 355           SMT scheduler support improves the CPU scheduler's decision making
515           protection support. However, you can !! 356           when dealing with SPARC cpus at a cost of slightly increased overhead
516           ioremap() for better performance.    !! 357           in some places. If unsure say N here.
517                                                   358 
518 config ARCH_WRITECOMBINE                       !! 359 config SCHED_MC
519         bool "Enable WriteCombine (WUC) for io !! 360         bool "Multi-core scheduler support"
                                                   >> 361         depends on SPARC64 && SMP
                                                   >> 362         default y
520         help                                      363         help
521           LoongArch maintains cache coherency  !! 364           Multi-core scheduler support improves the CPU scheduler's decision
522           with LS7A chipsets the WUC attribute !! 365           making when dealing with multi-core CPU chips at a cost of slightly
523           is similar to WriteCombine) is out o !! 366           increased overhead in some places. If unsure say N here.
524           machanism for PCIe devices (this is  << 
525           may be fixed in newer chipsets).     << 
526                                                   367 
527           This means WUC can only used for wri !! 368 source "kernel/Kconfig.preempt"
528           this option is disabled by default,  << 
529           SUC for ioremap(). You can enable th << 
530           to run on hardware without this bug. << 
531                                                   369 
532           You can override this setting via wr !! 370 config CMDLINE_BOOL
                                                   >> 371         bool "Default bootloader kernel arguments"
                                                   >> 372         depends on SPARC64
533                                                   373 
534 config ARCH_STRICT_ALIGN                       !! 374 config CMDLINE
535         bool "Enable -mstrict-align to prevent !! 375         string "Initial kernel command string"
536         default y                              !! 376         depends on CMDLINE_BOOL
537         help                                   !! 377         default "console=ttyS0,9600 root=/dev/sda1"
538           Not all LoongArch cores support h/w  !! 378         help
539           -mstrict-align build parameter to pr !! 379           Say Y here if you want to be able to pass default arguments to
                                                   >> 380           the kernel. This will be overridden by the bootloader, if you
                                                   >> 381           use one (such as SILO). This is most useful if you want to boot
                                                   >> 382           a kernel from TFTP, and want default options to be available
                                                   >> 383           with having them passed on the command line.
                                                   >> 384 
                                                   >> 385           NOTE: This option WILL override the PROM bootargs setting!
                                                   >> 386 
                                                   >> 387 config SUN_PM
                                                   >> 388         bool
                                                   >> 389         default y if SPARC32
                                                   >> 390         help
                                                   >> 391           Enable power management and CPU standby features on supported
                                                   >> 392           SPARC platforms.
                                                   >> 393 
                                                   >> 394 config SPARC_LED
                                                   >> 395         tristate "Sun4m LED driver"
                                                   >> 396         depends on SPARC32
                                                   >> 397         help
                                                   >> 398           This driver toggles the front-panel LED on sun4m systems
                                                   >> 399           in a user-specifiable manner.  Its state can be probed
                                                   >> 400           by reading /proc/led and its blinking mode can be changed
                                                   >> 401           via writes to /proc/led
                                                   >> 402 
                                                   >> 403 config SERIAL_CONSOLE
                                                   >> 404         bool
                                                   >> 405         depends on SPARC32
                                                   >> 406         default y
                                                   >> 407         ---help---
                                                   >> 408           If you say Y here, it will be possible to use a serial port as the
                                                   >> 409           system console (the system console is the device which receives all
                                                   >> 410           kernel messages and warnings and which allows logins in single user
                                                   >> 411           mode). This could be useful if some terminal or printer is connected
                                                   >> 412           to that serial port.
                                                   >> 413 
                                                   >> 414           Even if you say Y here, the currently visible virtual console
                                                   >> 415           (/dev/tty0) will still be used as the system console by default, but
                                                   >> 416           you can alter that using a kernel command line option such as
                                                   >> 417           "console=ttyS1". (Try "man bootparam" or see the documentation of
                                                   >> 418           your boot loader (silo) about how to pass options to the kernel at
                                                   >> 419           boot time.)
                                                   >> 420 
                                                   >> 421           If you don't have a graphics card installed and you say Y here, the
                                                   >> 422           kernel will automatically use the first serial line, /dev/ttyS0, as
                                                   >> 423           system console.
                                                   >> 424 
                                                   >> 425           If unsure, say N.
                                                   >> 426 
                                                   >> 427 config SPARC_LEON
                                                   >> 428         bool "Sparc Leon processor family"
                                                   >> 429         depends on SPARC32
                                                   >> 430         select USB_EHCI_BIG_ENDIAN_MMIO
                                                   >> 431         select USB_EHCI_BIG_ENDIAN_DESC
                                                   >> 432         ---help---
                                                   >> 433           If you say Y here if you are running on a SPARC-LEON processor.
                                                   >> 434           The LEON processor is a synthesizable VHDL model of the
                                                   >> 435           SPARC-v8 standard. LEON is  part of the GRLIB collection of
                                                   >> 436           IP cores that are distributed under GPL. GRLIB can be downloaded
                                                   >> 437           from www.gaisler.com. You can download a sparc-linux cross-compilation
                                                   >> 438           toolchain at www.gaisler.com.
                                                   >> 439 
                                                   >> 440 if SPARC_LEON
                                                   >> 441 menu "U-Boot options"
                                                   >> 442 
                                                   >> 443 config UBOOT_LOAD_ADDR
                                                   >> 444         hex "uImage Load Address"
                                                   >> 445         default 0x40004000
                                                   >> 446         ---help---
                                                   >> 447          U-Boot kernel load address, the address in physical address space
                                                   >> 448          where u-boot will place the Linux kernel before booting it.
                                                   >> 449          This address is normally the base address of main memory + 0x4000.
                                                   >> 450 
                                                   >> 451 config UBOOT_FLASH_ADDR
                                                   >> 452         hex "uImage.o Load Address"
                                                   >> 453         default 0x00080000
                                                   >> 454         ---help---
                                                   >> 455          Optional setting only affecting the uImage.o ELF-image used to
                                                   >> 456          download the uImage file to the target using a ELF-loader other than
                                                   >> 457          U-Boot. It may for example be used to download an uImage to FLASH with
                                                   >> 458          the GRMON utility before even starting u-boot.
                                                   >> 459 
                                                   >> 460 config UBOOT_ENTRY_ADDR
                                                   >> 461         hex "uImage Entry Address"
                                                   >> 462         default 0xf0004000
                                                   >> 463         ---help---
                                                   >> 464          Do not change this unless you know what you're doing. This is
                                                   >> 465          hardcoded by the SPARC32 and LEON port.
540                                                   466 
541           CPUs with h/w unaligned access suppo !! 467          This is the virtual address u-boot jumps to when booting the Linux
542           Loongson-2K2000/2K3000/3A5000/3C5000 !! 468          Kernel.
543                                                   469 
544           CPUs without h/w unaligned access su !! 470 endmenu
545           Loongson-2K500/2K1000.               !! 471 endif
546                                                   472 
547           This option is enabled by default to !! 473 endmenu
548           on all LoongArch systems. But you ca << 
549           to run kernel only on systems with h << 
550           order to optimise for performance.   << 
551                                                   474 
552 config CPU_HAS_FPU                             !! 475 menu "Bus options (PCI etc.)"
                                                   >> 476 config SBUS
553         bool                                      477         bool
554         default y                                 478         default y
555                                                   479 
556 config CPU_HAS_LSX                             !! 480 config SBUSCHAR
557         bool "Support for the Loongson SIMD Ex !! 481         bool
558         depends on AS_HAS_LSX_EXTENSION        !! 482         default y
559         help                                   << 
560           Loongson SIMD Extension (LSX) introd << 
561           and a set of SIMD instructions to op << 
562           is enabled the kernel will support a << 
563           vector register contexts. If you kno << 
564           running on CPUs which do not support << 
565           not be making use of it then you may << 
566           the size & complexity of your kernel << 
567                                                   483 
568           If unsure, say Y.                    !! 484 config SUN_LDOMS
                                                   >> 485         bool "Sun Logical Domains support"
                                                   >> 486         depends on SPARC64
                                                   >> 487         help
                                                   >> 488           Say Y here is you want to support virtual devices via
                                                   >> 489           Logical Domains.
569                                                   490 
570 config CPU_HAS_LASX                            !! 491 config PCI
571         bool "Support for the Loongson Advance !! 492         bool "Support for PCI and PS/2 keyboard/mouse"
572         depends on CPU_HAS_LSX                 << 
573         depends on AS_HAS_LASX_EXTENSION       << 
574         help                                      493         help
575           Loongson Advanced SIMD Extension (LA !! 494           Find out whether your system includes a PCI bus. PCI is the name of
576           registers and a set of SIMD instruct !! 495           a bus system, i.e. the way the CPU talks to the other stuff inside
577           option is enabled the kernel will su !! 496           your box.  If you say Y here, the kernel will include drivers and
578           vector register contexts. If you kno !! 497           infrastructure code to support PCI bus devices.
579           running on CPUs which do not support << 
580           not be making use of it then you may << 
581           the size & complexity of your kernel << 
582                                                   498 
583           If unsure, say Y.                    !! 499           CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
                                                   >> 500           CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
                                                   >> 501           All of these platforms are extremely obscure, so say N if unsure.
584                                                   502 
585 config CPU_HAS_LBT                             !! 503 config PCI_DOMAINS
586         bool "Support for the Loongson Binary  !! 504         def_bool PCI if SPARC64
587         depends on AS_HAS_LBT_EXTENSION        << 
588         help                                   << 
589           Loongson Binary Translation (LBT) in << 
590           to SCR3), x86/ARM eflags (eflags) an << 
591           Enabling this option allows the kern << 
592           specific to LBT.                     << 
593                                                   505 
594           If you want to use this feature, suc !! 506 config PCI_SYSCALL
595           Translator (LAT), say Y.             !! 507         def_bool PCI
596                                                   508 
597 config CPU_HAS_PREFETCH                        !! 509 config PCIC_PCI
598         bool                                      510         bool
                                                   >> 511         depends on PCI && SPARC32 && !SPARC_LEON
599         default y                                 512         default y
600                                                   513 
601 config ARCH_SUPPORTS_KEXEC                     !! 514 config LEON_PCI
602         def_bool y                             !! 515         bool
603                                                !! 516         depends on PCI && SPARC_LEON
604 config ARCH_SUPPORTS_CRASH_DUMP                !! 517         default y
605         def_bool y                             << 
606                                                << 
607 config ARCH_SELECTS_CRASH_DUMP                 << 
608         def_bool y                             << 
609         depends on CRASH_DUMP                  << 
610         select RELOCATABLE                     << 
611                                                << 
612 config ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATIO << 
613         def_bool CRASH_RESERVE                 << 
614                                                   518 
615 config RELOCATABLE                             !! 519 config SPARC_GRPCI1
616         bool "Relocatable kernel"              !! 520         bool "GRPCI Host Bridge Support"
617         select ARCH_HAS_RELR                   !! 521         depends on LEON_PCI
                                                   >> 522         default y
618         help                                      523         help
619           This builds the kernel as a Position !! 524           Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
620           which retains all relocation metadat !! 525           PCI host controller is typically found in GRLIB SPARC32/LEON
621           the kernel binary at runtime to a di !! 526           systems. The driver has one property (all_pci_errors) controlled
622           its link address.                    !! 527           from the bootloader that makes the GRPCI to generate interrupts
                                                   >> 528           on detected PCI Parity and System errors.
623                                                   529 
624 config RANDOMIZE_BASE                          !! 530 config SPARC_GRPCI2
625         bool "Randomize the address of the ker !! 531         bool "GRPCI2 Host Bridge Support"
626         depends on RELOCATABLE                 !! 532         depends on LEON_PCI
                                                   >> 533         default y
627         help                                      534         help
628            Randomizes the physical and virtual !! 535           Say Y here to include the GRPCI2 Host Bridge Driver.
629            kernel image is loaded, as a securi << 
630            deters exploit attempts relying on  << 
631            of kernel internals.                << 
632                                                   536 
633            The kernel will be offset by up to  !! 537 source "drivers/pci/Kconfig"
634                                                   538 
635            If unsure, say N.                   !! 539 source "drivers/pcmcia/Kconfig"
636                                                   540 
637 config RANDOMIZE_BASE_MAX_OFFSET               !! 541 config SUN_OPENPROMFS
638         hex "Maximum KASLR offset" if EXPERT   !! 542         tristate "Openprom tree appears in /proc/openprom"
639         depends on RANDOMIZE_BASE              << 
640         range 0x0 0x10000000                   << 
641         default "0x01000000"                   << 
642         help                                      543         help
643           When KASLR is active, this provides  !! 544           If you say Y, the OpenPROM device tree will be available as a
644           be applied to the kernel image. It s !! 545           virtual file system, which you can mount to /proc/openprom by "mount
645           amount of physical RAM available in  !! 546           -t openpromfs none /proc/openprom".
646                                                   547 
647           This is limited by the size of the l !! 548           To compile the /proc/openprom support as a module, choose M here: the
                                                   >> 549           module will be called openpromfs.
648                                                   550 
649 source "kernel/livepatch/Kconfig"              !! 551           Only choose N if you know in advance that you will not need to modify
                                                   >> 552           OpenPROM settings on the running system.
650                                                   553 
651 config PARAVIRT                                !! 554 # Makefile helpers
652         bool "Enable paravirtualization code"  !! 555 config SPARC64_PCI
653         depends on AS_HAS_LVZ_EXTENSION        !! 556         bool
654         help                                   !! 557         default y
655           This changes the kernel so it can mo !! 558         depends on SPARC64 && PCI
656           under a hypervisor, potentially impr << 
657           over full virtualization.  However,  << 
658           the kernel is theoretically slower a << 
659                                                << 
660 config PARAVIRT_TIME_ACCOUNTING                << 
661         bool "Paravirtual steal time accountin << 
662         depends on PARAVIRT                    << 
663         help                                   << 
664           Select this option to enable fine gr << 
665           accounting. Time spent executing oth << 
666           the current vCPU is discounted from  << 
667           that, there can be a small performan << 
668                                                   559 
669           If in doubt, say N here.             !! 560 config SPARC64_PCI_MSI
                                                   >> 561         bool
                                                   >> 562         default y
                                                   >> 563         depends on SPARC64_PCI && PCI_MSI
670                                                   564 
671 endmenu                                           565 endmenu
672                                                   566 
673 config ARCH_SELECT_MEMORY_MODEL                !! 567 menu "Executable file formats"
674         def_bool y                             << 
675                                                << 
676 config ARCH_FLATMEM_ENABLE                     << 
677         def_bool y                             << 
678         depends on !NUMA                       << 
679                                                << 
680 config ARCH_SPARSEMEM_ENABLE                   << 
681         def_bool y                             << 
682         select SPARSEMEM_VMEMMAP_ENABLE        << 
683         help                                   << 
684           Say Y to support efficient handling  << 
685           for architectures which are either N << 
686           or have huge holes in the physical a << 
687           See <file:Documentation/mm/numa.rst> << 
688                                                   568 
689 config ARCH_MEMORY_PROBE                       !! 569 source "fs/Kconfig.binfmt"
690         def_bool y                             << 
691         depends on MEMORY_HOTPLUG              << 
692                                                   570 
693 config MMU                                     !! 571 config COMPAT
694         bool                                      572         bool
                                                   >> 573         depends on SPARC64
695         default y                                 574         default y
                                                   >> 575         select COMPAT_BINFMT_ELF
                                                   >> 576         select HAVE_UID16
                                                   >> 577         select ARCH_WANT_OLD_COMPAT_IPC
                                                   >> 578         select COMPAT_OLD_SIGACTION
696                                                   579 
697 config ARCH_MMAP_RND_BITS_MIN                  !! 580 config SYSVIPC_COMPAT
698         default 12                             !! 581         bool
                                                   >> 582         depends on COMPAT && SYSVIPC
                                                   >> 583         default y
699                                                   584 
700 config ARCH_MMAP_RND_BITS_MAX                  !! 585 endmenu
701         default 18                             << 
702                                                   586 
703 config ARCH_SUPPORTS_UPROBES                   !! 587 source "net/Kconfig"
704         def_bool y                             << 
705                                                   588 
706 config KASAN_SHADOW_OFFSET                     !! 589 source "drivers/Kconfig"
707         hex                                    << 
708         default 0x0                            << 
709         depends on KASAN                       << 
710                                                   590 
711 menu "Power management options"                !! 591 source "drivers/sbus/char/Kconfig"
712                                                   592 
713 config ARCH_SUSPEND_POSSIBLE                   !! 593 source "fs/Kconfig"
714         def_bool y                             << 
715                                                   594 
716 config ARCH_HIBERNATION_POSSIBLE               !! 595 source "arch/sparc/Kconfig.debug"
717         def_bool y                             << 
718                                                   596 
719 source "kernel/power/Kconfig"                  !! 597 source "security/Kconfig"
720 source "drivers/acpi/Kconfig"                  << 
721 source "drivers/cpufreq/Kconfig"               << 
722                                                   598 
723 endmenu                                        !! 599 source "crypto/Kconfig"
724                                                   600 
725 source "arch/loongarch/kvm/Kconfig"            !! 601 source "lib/Kconfig"
                                                      

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

sflogo.php