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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/parisc/Kconfig
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/parisc/Kconfig')
-rw-r--r--arch/parisc/Kconfig378
1 files changed, 378 insertions, 0 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
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+# SPDX-License-Identifier: GPL-2.0
+config PARISC
+ def_bool y
+ select ALTERNATE_USER_ADDRESS_SPACE
+ select ARCH_32BIT_OFF_T if !64BIT
+ select ARCH_MIGHT_HAVE_PC_PARPORT
+ select HAVE_FUNCTION_TRACER
+ select HAVE_FUNCTION_GRAPH_TRACER
+ select HAVE_SYSCALL_TRACEPOINTS
+ select ARCH_WANT_FRAME_POINTERS
+ select ARCH_HAS_ELF_RANDOMIZE
+ select ARCH_HAS_STRICT_KERNEL_RWX
+ select ARCH_HAS_STRICT_MODULE_RWX
+ select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_HAS_PTE_SPECIAL
+ select ARCH_NO_SG_CHAIN
+ select ARCH_SUPPORTS_HUGETLBFS if PA20
+ select ARCH_SUPPORTS_MEMORY_FAILURE
+ select ARCH_STACKWALK
+ select ARCH_HAS_DEBUG_VM_PGTABLE
+ select HAVE_RELIABLE_STACKTRACE
+ select DMA_OPS
+ select RTC_CLASS
+ select RTC_DRV_GENERIC
+ select INIT_ALL_POSSIBLE
+ select BUG
+ select BUILDTIME_TABLE_SORT
+ select HAVE_PCI
+ select HAVE_PERF_EVENTS
+ select HAVE_KERNEL_BZIP2
+ select HAVE_KERNEL_GZIP
+ select HAVE_KERNEL_LZ4
+ select HAVE_KERNEL_LZMA
+ select HAVE_KERNEL_LZO
+ select HAVE_KERNEL_XZ
+ select GENERIC_ATOMIC64 if !64BIT
+ select GENERIC_IRQ_PROBE
+ select GENERIC_PCI_IOMAP
+ select GENERIC_IOREMAP
+ select ARCH_HAVE_NMI_SAFE_CMPXCHG
+ select GENERIC_SMP_IDLE_THREAD
+ select GENERIC_ARCH_TOPOLOGY if SMP
+ select GENERIC_CPU_DEVICES if !SMP
+ select GENERIC_LIB_DEVMEM_IS_ALLOWED
+ select SYSCTL_ARCH_UNALIGN_ALLOW
+ select SYSCTL_EXCEPTION_TRACE
+ select HAVE_MOD_ARCH_SPECIFIC
+ select MODULES_USE_ELF_RELA
+ select CLONE_BACKWARDS
+ select TTY # Needed for pdc_cons.c
+ select HAS_IOPORT if PCI || EISA
+ select HAVE_DEBUG_STACKOVERFLOW
+ select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
+ select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
+ select HAVE_ARCH_MMAP_RND_BITS
+ select HAVE_ARCH_AUDITSYSCALL
+ select HAVE_ARCH_HASH
+ select HAVE_ARCH_JUMP_LABEL
+ select HAVE_ARCH_JUMP_LABEL_RELATIVE
+ select HAVE_ARCH_KFENCE
+ select HAVE_ARCH_SECCOMP_FILTER
+ select HAVE_ARCH_TRACEHOOK
+ select HAVE_EBPF_JIT
+ select ARCH_WANT_DEFAULT_BPF_JIT
+ select HAVE_REGS_AND_STACK_ACCESS_API
+ select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
+ select GENERIC_SCHED_CLOCK
+ select GENERIC_IRQ_MIGRATION if SMP
+ select HAVE_UNSTABLE_SCHED_CLOCK if SMP
+ select LEGACY_TIMER_TICK
+ select CPU_NO_EFFICIENT_FFS
+ select THREAD_INFO_IN_TASK
+ select NEED_DMA_MAP_STATE
+ select NEED_SG_DMA_LENGTH
+ select HAVE_ARCH_KGDB
+ select HAVE_KPROBES
+ select HAVE_KRETPROBES
+ select HAVE_DYNAMIC_FTRACE if $(cc-option,-fpatchable-function-entry=1,1)
+ select HAVE_FTRACE_MCOUNT_RECORD if HAVE_DYNAMIC_FTRACE
+ select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE
+ select HAVE_KPROBES_ON_FTRACE
+ select HAVE_DYNAMIC_FTRACE_WITH_REGS
+ select HAVE_SOFTIRQ_ON_OWN_STACK if IRQSTACKS
+ select TRACE_IRQFLAGS_SUPPORT
+ select HAVE_FUNCTION_DESCRIPTORS if 64BIT
+
+ help
+ The PA-RISC microprocessor is designed by Hewlett-Packard and used
+ in many of their workstations & servers (HP9000 700 and 800 series,
+ and later HP3000 series). The PA-RISC Linux project home page is
+ at <https://parisc.wiki.kernel.org>.
+
+config CPU_BIG_ENDIAN
+ def_bool y
+
+config MMU
+ def_bool y
+
+config STACK_GROWSUP
+ def_bool y
+
+config GENERIC_LOCKBREAK
+ bool
+ default y
+ depends on SMP && PREEMPTION
+
+config ARCH_HAS_ILOG2_U32
+ bool
+ default n
+
+config ARCH_HAS_ILOG2_U64
+ bool
+ default n
+
+config GENERIC_BUG
+ def_bool y
+ depends on BUG
+ select GENERIC_BUG_RELATIVE_POINTERS if 64BIT
+
+config GENERIC_BUG_RELATIVE_POINTERS
+ bool
+
+config GENERIC_HWEIGHT
+ bool
+ default y
+
+config GENERIC_CALIBRATE_DELAY
+ bool
+ default y
+
+config TIME_LOW_RES
+ bool
+ depends on SMP
+ default y
+
+config ARCH_MMAP_RND_BITS_MIN
+ default 18 if 64BIT
+ default 8
+
+config ARCH_MMAP_RND_COMPAT_BITS_MIN
+ default 8
+
+config ARCH_MMAP_RND_BITS_MAX
+ default 18 if 64BIT
+ default 13
+
+config ARCH_MMAP_RND_COMPAT_BITS_MAX
+ default 13
+
+# unless you want to implement ACPI on PA-RISC ... ;-)
+config PM
+ bool
+
+config STACKTRACE_SUPPORT
+ def_bool y
+
+config LOCKDEP_SUPPORT
+ bool
+ default y
+
+config ISA_DMA_API
+ bool
+
+config ARCH_MAY_HAVE_PC_FDC
+ bool
+ depends on BROKEN
+ default y
+
+config PGTABLE_LEVELS
+ int
+ default 3 if 64BIT && PARISC_PAGE_SIZE_4KB
+ default 2
+
+menu "Processor type and features"
+
+choice
+ prompt "Processor type"
+ default PA7000 if "$(ARCH)" = "parisc"
+
+config PA7000
+ bool "PA7000/PA7100" if "$(ARCH)" = "parisc"
+ help
+ This is the processor type of your CPU. This information is
+ used for optimizing purposes. In order to compile a kernel
+ that can run on all 32-bit PA CPUs (albeit not optimally fast),
+ you can specify "PA7000" here.
+
+ Specifying "PA8000" here will allow you to select a 64-bit kernel
+ which is required on some machines.
+
+config PA7100LC
+ bool "PA7100LC" if "$(ARCH)" = "parisc"
+ help
+ Select this option for the PCX-L processor, as used in the
+ 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748,
+ D200, D210, D300, D310 and E-class
+
+config PA7200
+ bool "PA7200" if "$(ARCH)" = "parisc"
+ help
+ Select this option for the PCX-T' processor, as used in the
+ C100, C110, J100, J110, J210XC, D250, D260, D350, D360,
+ K100, K200, K210, K220, K400, K410 and K420
+
+config PA7300LC
+ bool "PA7300LC" if "$(ARCH)" = "parisc"
+ help
+ Select this option for the PCX-L2 processor, as used in the
+ 744, A180, B132L, B160L, B180L, C132L, C160L, C180L,
+ D220, D230, D320 and D330.
+
+config PA8X00
+ bool "PA8000 and up"
+ help
+ Select this option for PCX-U to PCX-W2 processors.
+
+endchoice
+
+# Define implied options from the CPU selection here
+
+config PA20
+ def_bool y
+ depends on PA8X00
+
+config PA11
+ def_bool y
+ depends on PA7000 || PA7100LC || PA7200 || PA7300LC
+ select ARCH_HAS_SYNC_DMA_FOR_CPU
+ select ARCH_HAS_SYNC_DMA_FOR_DEVICE
+
+config PREFETCH
+ def_bool y
+ depends on PA8X00 || PA7200
+
+config PARISC_HUGE_KERNEL
+ def_bool y if !MODULES || UBSAN || FTRACE || COMPILE_TEST
+
+config MLONGCALLS
+ def_bool y if PARISC_HUGE_KERNEL
+ bool "Enable the -mlong-calls compiler option for big kernels" if !PARISC_HUGE_KERNEL
+ depends on PA8X00
+ help
+ If you configure the kernel to include many drivers built-in instead
+ as modules, the kernel executable may become too big, so that the
+ linker will not be able to resolve some long branches and fails to link
+ your vmlinux kernel. In that case enabling this option will help you
+ to overcome this limit by using the -mlong-calls compiler option.
+
+ Usually you want to say N here, unless you e.g. want to build
+ a kernel which includes all necessary drivers built-in and which can
+ be used for TFTP booting without the need to have an initrd ramdisk.
+
+ Enabling this option will probably slow down your kernel.
+
+config 64BIT
+ def_bool y if "$(ARCH)" = "parisc64"
+ bool "64-bit kernel" if "$(ARCH)" = "parisc"
+ depends on PA8X00
+ help
+ Enable this if you want to support 64bit kernel on PA-RISC platform.
+
+ At the moment, only people willing to use more than 2GB of RAM,
+ or having a 64bit-only capable PA-RISC machine should say Y here.
+
+ Since there is no 64bit userland on PA-RISC, there is no point to
+ enable this option otherwise. The 64bit kernel is significantly bigger
+ and slower than the 32bit one.
+
+choice
+ prompt "Kernel page size"
+ default PARISC_PAGE_SIZE_4KB
+
+config PARISC_PAGE_SIZE_4KB
+ bool "4KB"
+ help
+ This lets you select the page size of the kernel. For best
+ performance, a page size of 16KB is recommended. For best
+ compatibility with 32bit applications, a page size of 4KB should be
+ selected (the vast majority of 32bit binaries work perfectly fine
+ with a larger page size).
+
+ 4KB For best 32bit compatibility
+ 16KB For best performance
+ 64KB For best performance, might give more overhead.
+
+ If you don't know what to do, choose 4KB.
+
+config PARISC_PAGE_SIZE_16KB
+ bool "16KB"
+ depends on PA8X00 && BROKEN && !KFENCE
+
+config PARISC_PAGE_SIZE_64KB
+ bool "64KB"
+ depends on PA8X00 && BROKEN && !KFENCE
+
+endchoice
+
+config SMP
+ bool "Symmetric multi-processing support"
+ help
+ This enables support for systems with more than one CPU. If you have
+ a system with only one CPU, say N. If you have a system with more
+ than one CPU, say Y.
+
+ If you say N here, the kernel will run on uni- and multiprocessor
+ machines, but will use only one CPU of a multiprocessor machine.
+ On a uniprocessor machine, the kernel will run faster if you say N.
+
+ See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
+ available at <https://www.tldp.org/docs.html#howto>.
+
+ If you don't know what to do here, say N.
+
+config SCHED_MC
+ bool "Multi-core scheduler support"
+ depends on GENERIC_ARCH_TOPOLOGY && PA8X00
+ help
+ Multi-core scheduler support improves the CPU scheduler's decision
+ making when dealing with multi-core CPU chips at a cost of slightly
+ increased overhead in some places. If unsure say N here.
+
+config IRQSTACKS
+ bool "Use separate kernel stacks when processing interrupts"
+ default y
+ help
+ If you say Y here the kernel will use separate kernel stacks
+ for handling hard and soft interrupts. This can help avoid
+ overflowing the process kernel stacks.
+
+config HOTPLUG_CPU
+ bool
+ default y if SMP
+
+config ARCH_SELECT_MEMORY_MODEL
+ def_bool y
+ depends on 64BIT
+
+config ARCH_SPARSEMEM_ENABLE
+ def_bool y
+ depends on 64BIT
+
+config ARCH_FLATMEM_ENABLE
+ def_bool y
+
+config ARCH_SPARSEMEM_DEFAULT
+ def_bool y
+ depends on ARCH_SPARSEMEM_ENABLE
+
+source "kernel/Kconfig.hz"
+
+config COMPAT
+ def_bool y
+ depends on 64BIT
+
+config AUDIT_ARCH
+ def_bool y
+
+config NR_CPUS
+ int "Maximum number of CPUs (2-32)"
+ range 2 32
+ depends on SMP
+ default "8" if 64BIT
+ default "16"
+
+endmenu
+
+config ARCH_SUPPORTS_KEXEC
+ def_bool y
+
+config ARCH_SUPPORTS_KEXEC_FILE
+ def_bool y
+
+config ARCH_SELECTS_KEXEC_FILE
+ def_bool y
+ depends on KEXEC_FILE
+ select KEXEC_ELF
+
+source "drivers/parisc/Kconfig"