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2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/arch/sparc/Kconfig
....@@ -1,3 +1,4 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
12 config 64BIT
23 	bool "64-bit kernel" if "$(ARCH)" = "sparc"
34 	default "$(ARCH)" = "sparc64"
....@@ -14,13 +15,17 @@
1415 	default y
1516 	select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
1617 	select ARCH_MIGHT_HAVE_PC_SERIO
18
+	select DMA_OPS
1719 	select OF
1820 	select OF_PROMTREE
21
+	select HAVE_ASM_MODVERSIONS
1922 	select HAVE_IDE
2023 	select HAVE_OPROFILE
2124 	select HAVE_ARCH_KGDB if !SMP || SPARC64
2225 	select HAVE_ARCH_TRACEHOOK
26
+	select HAVE_ARCH_SECCOMP if SPARC64
2327 	select HAVE_EXIT_THREAD
28
+	select HAVE_PCI
2429 	select SYSCTL_EXCEPTION_TRACE
2530 	select RTC_CLASS
2631 	select RTC_DRV_M48T59
....@@ -38,20 +43,20 @@
3843 	select GENERIC_STRNCPY_FROM_USER
3944 	select GENERIC_STRNLEN_USER
4045 	select MODULES_USE_ELF_RELA
46
+	select PCI_SYSCALL if PCI
47
+	select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
4148 	select ODD_RT_SIGACTION
4249 	select OLD_SIGSUSPEND
43
-	select ARCH_HAS_SG_CHAIN
4450 	select CPU_NO_EFFICIENT_FFS
4551 	select LOCKDEP_SMALL if LOCKDEP
4652 	select NEED_DMA_MAP_STATE
4753 	select NEED_SG_DMA_LENGTH
48
-	select HAVE_MEMBLOCK
49
-	select NO_BOOTMEM
54
+	select SET_FS
5055 
5156 config SPARC32
5257 	def_bool !64BIT
58
+	select ARCH_32BIT_OFF_T
5359 	select ARCH_HAS_SYNC_DMA_FOR_CPU
54
-	select DMA_NONCOHERENT_OPS
5560 	select GENERIC_ATOMIC64
5661 	select CLZ_TAB
5762 	select HAVE_UID16
....@@ -63,13 +68,13 @@
6368 	select HAVE_FUNCTION_GRAPH_TRACER
6469 	select HAVE_KRETPROBES
6570 	select HAVE_KPROBES
66
-	select HAVE_RCU_TABLE_FREE if SMP
67
-	select HAVE_MEMBLOCK_NODE_MAP
71
+	select MMU_GATHER_RCU_TABLE_FREE if SMP
6872 	select HAVE_ARCH_TRANSPARENT_HUGEPAGE
6973 	select HAVE_DYNAMIC_FTRACE
7074 	select HAVE_FTRACE_MCOUNT_RECORD
7175 	select HAVE_SYSCALL_TRACEPOINTS
7276 	select HAVE_CONTEXT_TRACKING
77
+	select HAVE_TIF_NOHZ
7378 	select HAVE_DEBUG_KMEMLEAK
7479 	select IOMMU_HELPER
7580 	select SPARSE_IRQ
....@@ -79,7 +84,6 @@
7984 	select RTC_DRV_STARFIRE
8085 	select HAVE_PERF_EVENTS
8186 	select PERF_USE_VMALLOC
82
-	select IRQ_PREFLOW_FASTEOI
8387 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
8488 	select HAVE_C_RECORDMCOUNT
8589 	select HAVE_ARCH_AUDITSYSCALL
....@@ -91,11 +95,8 @@
9195 	select GENERIC_TIME_VSYSCALL
9296 	select ARCH_CLOCKSOURCE_DATA
9397 	select ARCH_HAS_PTE_SPECIAL
94
-
95
-config ARCH_DEFCONFIG
96
-	string
97
-	default "arch/sparc/configs/sparc32_defconfig" if SPARC32
98
-	default "arch/sparc/configs/sparc64_defconfig" if SPARC64
98
+	select PCI_DOMAINS if PCI
99
+	select ARCH_HAS_GIGANTIC_PAGE
99100 
100101 config ARCH_PROC_KCORE_TEXT
101102 	def_bool y
....@@ -161,7 +162,7 @@
161162 
162163 config SMP
163164 	bool "Symmetric multi-processing support"
164
-	---help---
165
+	help
165166 	  This enables support for systems with more than one CPU. If you have
166167 	  a system with only one CPU, say N. If you have a system with more
167168 	  than one CPU, say Y.
....@@ -176,7 +177,7 @@
176177 	  Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
177178 	  Management" code will be disabled if you say Y here.
178179 
179
-	  See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
180
+	  See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
180181 	  available at <http://www.tldp.org/docs.html#howto>.
181182 
182183 	  If you don't know what to do here, say N.
....@@ -189,15 +190,7 @@
189190 	default 32 if SPARC32
190191 	default 4096 if SPARC64
191192 
192
-source kernel/Kconfig.hz
193
-
194
-config RWSEM_GENERIC_SPINLOCK
195
-	bool
196
-	default y if SPARC32
197
-
198
-config RWSEM_XCHGADD_ALGORITHM
199
-	bool
200
-	default y if SPARC64
193
+source "kernel/Kconfig.hz"
201194 
202195 config GENERIC_HWEIGHT
203196 	bool
....@@ -236,23 +229,6 @@
236229 	help
237230 	  Say Y here to enable a faster early framebuffer boot console.
238231 
239
-config SECCOMP
240
-	bool "Enable seccomp to safely compute untrusted bytecode"
241
-	depends on SPARC64 && PROC_FS
242
-	default y
243
-	help
244
-	  This kernel feature is useful for number crunching applications
245
-	  that may need to compute untrusted bytecode during their
246
-	  execution. By using pipes or other transports made available to
247
-	  the process as file descriptors supporting the read/write
248
-	  syscalls, it's possible to isolate those applications in
249
-	  their own address space using seccomp. Once seccomp is
250
-	  enabled via /proc/<pid>/seccomp, it cannot be disabled
251
-	  and the task is only allowed to execute a few safe syscalls
252
-	  defined by each seccomp mode.
253
-
254
-	  If unsure, say Y. Only embedded should say N here.
255
-
256232 config HOTPLUG_CPU
257233 	bool "Support for hot-pluggable CPUs"
258234 	depends on SPARC64 && SMP
....@@ -281,7 +257,7 @@
281257 config GENERIC_LOCKBREAK
282258 	bool
283259 	default y
284
-	depends on SPARC64 && SMP && PREEMPT
260
+	depends on SPARC64 && SMP && PREEMPTION
285261 
286262 config NUMA
287263 	bool "NUMA support"
....@@ -295,18 +271,6 @@
295271 	help
296272 	  Specify the maximum number of NUMA Nodes available on the target
297273 	  system.  Increases memory reserved to accommodate various tables.
298
-
299
-# Some NUMA nodes have memory ranges that span
300
-# other nodes.  Even though a pfn is valid and
301
-# between a node's start and end pfns, it may not
302
-# reside on that node.  See memmap_init_zone()
303
-# for details.
304
-config NODES_SPAN_OTHER_NODES
305
-	def_bool y
306
-	depends on NEED_MULTIPLE_NODES
307
-
308
-config ARCH_SELECT_MEMORY_MODEL
309
-	def_bool y if SPARC64
310274 
311275 config ARCH_SPARSEMEM_ENABLE
312276 	def_bool y if SPARC64
....@@ -388,7 +352,7 @@
388352 	bool
389353 	depends on SPARC32
390354 	default y
391
-	---help---
355
+	help
392356 	  If you say Y here, it will be possible to use a serial port as the
393357 	  system console (the system console is the device which receives all
394358 	  kernel messages and warnings and which allows logins in single user
....@@ -415,7 +379,7 @@
415379 	select USB_EHCI_BIG_ENDIAN_DESC
416380 	select USB_UHCI_BIG_ENDIAN_MMIO
417381 	select USB_UHCI_BIG_ENDIAN_DESC
418
-	---help---
382
+	help
419383 	  If you say Y here if you are running on a SPARC-LEON processor.
420384 	  The LEON processor is a synthesizable VHDL model of the
421385 	  SPARC-v8 standard. LEON is  part of the GRLIB collection of
....@@ -429,7 +393,7 @@
429393 config UBOOT_LOAD_ADDR
430394 	hex "uImage Load Address"
431395 	default 0x40004000
432
-	---help---
396
+	help
433397 	 U-Boot kernel load address, the address in physical address space
434398 	 where u-boot will place the Linux kernel before booting it.
435399 	 This address is normally the base address of main memory + 0x4000.
....@@ -437,7 +401,7 @@
437401 config UBOOT_FLASH_ADDR
438402 	hex "uImage.o Load Address"
439403 	default 0x00080000
440
-	---help---
404
+	help
441405 	 Optional setting only affecting the uImage.o ELF-image used to
442406 	 download the uImage file to the target using a ELF-loader other than
443407 	 U-Boot. It may for example be used to download an uImage to FLASH with
....@@ -446,7 +410,7 @@
446410 config UBOOT_ENTRY_ADDR
447411 	hex "uImage Entry Address"
448412 	default 0xf0004000
449
-	---help---
413
+	help
450414 	 Do not change this unless you know what you're doing. This is
451415 	 hardcoded by the SPARC32 and LEON port.
452416 
....@@ -473,24 +437,6 @@
473437 	help
474438 	  Say Y here is you want to support virtual devices via
475439 	  Logical Domains.
476
-
477
-config PCI
478
-	bool "Support for PCI and PS/2 keyboard/mouse"
479
-	help
480
-	  Find out whether your system includes a PCI bus. PCI is the name of
481
-	  a bus system, i.e. the way the CPU talks to the other stuff inside
482
-	  your box.  If you say Y here, the kernel will include drivers and
483
-	  infrastructure code to support PCI bus devices.
484
-
485
-	  CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
486
-	  CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
487
-	  All of these platforms are extremely obscure, so say N if unsure.
488
-
489
-config PCI_DOMAINS
490
-	def_bool PCI if SPARC64
491
-
492
-config PCI_SYSCALL
493
-	def_bool PCI
494440 
495441 config PCIC_PCI
496442 	bool
....@@ -519,10 +465,6 @@
519465 	default y
520466 	help
521467 	  Say Y here to include the GRPCI2 Host Bridge Driver.
522
-
523
-source "drivers/pci/Kconfig"
524
-
525
-source "drivers/pcmcia/Kconfig"
526468 
527469 config SUN_OPENPROMFS
528470 	tristate "Openprom tree appears in /proc/openprom"