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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/arch/parisc/Kconfig
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@@ -1,6 +1,7 @@
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 # SPDX-License-Identifier: GPL-2.0
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 config PARISC
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 	def_bool y
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+	select ARCH_32BIT_OFF_T if !64BIT
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 	select ARCH_MIGHT_HAVE_PC_PARPORT
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 	select HAVE_IDE
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 	select HAVE_OPROFILE
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@@ -10,15 +11,17 @@
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 	select ARCH_WANT_FRAME_POINTERS
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 	select ARCH_HAS_ELF_RANDOMIZE
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 	select ARCH_HAS_STRICT_KERNEL_RWX
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+	select ARCH_HAS_STRICT_MODULE_RWX
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 	select ARCH_HAS_UBSAN_SANITIZE_ALL
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+	select ARCH_NO_SG_CHAIN
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 	select ARCH_SUPPORTS_MEMORY_FAILURE
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+	select DMA_OPS
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 	select RTC_CLASS
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 	select RTC_DRV_GENERIC
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 	select INIT_ALL_POSSIBLE
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-	select HAVE_MEMBLOCK
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-	select NO_BOOTMEM
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 	select BUG
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-	select BUILDTIME_EXTABLE_SORT
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+	select BUILDTIME_TABLE_SORT
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+	select HAVE_PCI
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 	select HAVE_PERF_EVENTS
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 	select HAVE_KERNEL_BZIP2
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 	select HAVE_KERNEL_GZIP
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@@ -35,7 +38,6 @@
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 	select GENERIC_STRNCPY_FROM_USER
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 	select SYSCTL_ARCH_UNALIGN_ALLOW
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 	select SYSCTL_EXCEPTION_TRACE
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-	select ARCH_DISCARD_MEMBLOCK
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 	select HAVE_MOD_ARCH_SPECIFIC
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 	select VIRT_TO_BUS
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 	select MODULES_USE_ELF_RELA
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 	select HAVE_DEBUG_STACKOVERFLOW
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 	select HAVE_ARCH_AUDITSYSCALL
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 	select HAVE_ARCH_HASH
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+	select HAVE_ARCH_JUMP_LABEL
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+	select HAVE_ARCH_JUMP_LABEL_RELATIVE
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 	select HAVE_ARCH_SECCOMP_FILTER
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 	select HAVE_ARCH_TRACEHOOK
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 	select HAVE_REGS_AND_STACK_ACCESS_API
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 	select GENERIC_SCHED_CLOCK
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 	select HAVE_UNSTABLE_SCHED_CLOCK if SMP
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 	select GENERIC_CLOCKEVENTS
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-	select ARCH_NO_COHERENT_DMA_MMAP
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 	select CPU_NO_EFFICIENT_FFS
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 	select NEED_DMA_MAP_STATE
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 	select NEED_SG_DMA_LENGTH
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+	select HAVE_ARCH_KGDB
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+	select HAVE_KPROBES
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+	select HAVE_KRETPROBES
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+	select HAVE_DYNAMIC_FTRACE if $(cc-option,-fpatchable-function-entry=1,1)
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+	select HAVE_FTRACE_MCOUNT_RECORD if HAVE_DYNAMIC_FTRACE
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+	select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE
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+	select HAVE_KPROBES_ON_FTRACE
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+	select HAVE_DYNAMIC_FTRACE_WITH_REGS
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+	select SET_FS
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 	help
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 	  The PA-RISC microprocessor is designed by Hewlett-Packard and used
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 	  in many of their workstations & servers (HP9000 700 and 800 series,
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 	  and later HP3000 series).  The PA-RISC Linux project home page is
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-	  at <http://www.parisc-linux.org/>.
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+	  at <https://parisc.wiki.kernel.org>.
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 config CPU_BIG_ENDIAN
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 	def_bool y
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@@ -70,16 +82,15 @@
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 config STACK_GROWSUP
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 	def_bool y
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+config ARCH_DEFCONFIG
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+	string
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+	default "arch/parisc/configs/generic-32bit_defconfig" if !64BIT
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+	default "arch/parisc/configs/generic-64bit_defconfig" if 64BIT
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+
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 config GENERIC_LOCKBREAK
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 	bool
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 	default y
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-	depends on SMP && PREEMPT
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-
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-config RWSEM_GENERIC_SPINLOCK
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-	def_bool y
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-
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-config RWSEM_XCHGADD_ALGORITHM
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-	bool
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+	depends on SMP && PREEMPTION
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 config ARCH_HAS_ILOG2_U32
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 	bool
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@@ -139,7 +150,7 @@
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 config PA7000
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 	bool "PA7000/PA7100"
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-	---help---
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+	help
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 	  This is the processor type of your CPU.  This information is
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 	  used for optimizing purposes.  In order to compile a kernel
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 	  that can run on all 32-bit PA CPUs (albeit not optimally fast),
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@@ -187,16 +198,17 @@
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 	depends on PA7000 || PA7100LC || PA7200 || PA7300LC
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 	select ARCH_HAS_SYNC_DMA_FOR_CPU
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 	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
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-	select DMA_NONCOHERENT_OPS
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-	select DMA_NONCOHERENT_CACHE_SYNC
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 config PREFETCH
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 	def_bool y
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 	depends on PA8X00 || PA7200
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+config PARISC_HUGE_KERNEL
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+	def_bool y if !MODULES || UBSAN || FTRACE || COMPILE_TEST
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+
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 config MLONGCALLS
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-	bool "Enable the -mlong-calls compiler option for big kernels"
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-	default y
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+	def_bool y if PARISC_HUGE_KERNEL
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+	bool "Enable the -mlong-calls compiler option for big kernels" if !PARISC_HUGE_KERNEL
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 	depends on PA8X00
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 	help
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 	  If you configure the kernel to include many drivers built-in instead
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@@ -267,7 +279,7 @@
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 config SMP
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 	bool "Symmetric multi-processing support"
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-	---help---
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+	help
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 	  This enables support for systems with more than one CPU. If you have
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 	  a system with only one CPU, say N. If you have a system with more
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 	  than one CPU, say Y.
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@@ -276,8 +288,8 @@
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 	  machines, but will use only one CPU of a multiprocessor machine.
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 	  On a uniprocessor machine, the kernel will run faster if you say N.
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-	  See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
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-	  available at <http://www.tldp.org/docs.html#howto>.
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+	  See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
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+	  available at <https://www.tldp.org/docs.html#howto>.
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 	  If you don't know what to do here, say N.
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@@ -303,6 +315,16 @@
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 	  If you say Y here the kernel will use separate kernel stacks
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 	  for handling hard and soft interrupts.  This can help avoid
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 	  overflowing the process kernel stacks.
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+
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+config TLB_PTLOCK
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+	bool "Use page table locks in TLB fault handler"
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+	depends on SMP
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+	default n
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+	help
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+	  Select this option to enable page table locking in the TLB
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+	  fault handler. This ensures that page table entries are
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+	  updated consistently on SMP machines at the expense of some
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+	  loss in performance.
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 config HOTPLUG_CPU
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 	bool
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@@ -343,23 +365,31 @@
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 	depends on SMP
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 	default "4"
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+config KEXEC
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+	bool "Kexec system call"
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+	select KEXEC_CORE
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+	help
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+	  kexec is a system call that implements the ability to shutdown your
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+	  current kernel, and to start another kernel.  It is like a reboot
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+	  but it is independent of the system firmware.   And like a reboot
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+	  you can start any kernel with it, not just Linux.
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+
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+	  It is an ongoing process to be certain the hardware in a machine
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+	  shutdown, so do not be surprised if this code does not
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+	  initially work for you.
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+
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+config KEXEC_FILE
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+	bool "kexec file based system call"
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+	select KEXEC_CORE
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+	select KEXEC_ELF
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+	help
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+	  This enables the kexec_file_load() System call. This is
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+	  file based and takes file descriptors as system call argument
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+	  for kernel and initramfs as opposed to list of segments as
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+	  accepted by previous system call.
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+
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 endmenu
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+source "drivers/firmware/Kconfig"
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 source "drivers/parisc/Kconfig"
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-
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-config SECCOMP
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-	def_bool y
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-	prompt "Enable seccomp to safely compute untrusted bytecode"
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-	---help---
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-	  This kernel feature is useful for number crunching applications
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-	  that may need to compute untrusted bytecode during their
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-	  execution. By using pipes or other transports made available to
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-	  the process as file descriptors supporting the read/write
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-	  syscalls, it's possible to isolate those applications in
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-	  their own address space using seccomp. Once seccomp is
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-	  enabled via prctl(PR_SET_SECCOMP), it cannot be disabled
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-	  and the task is only allowed to execute a few safe syscalls
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-	  defined by each seccomp mode.
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-
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-	  If unsure, say Y. Only embedded should say N here.