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-rw-r--r--arch/ia64/Kconfig.debug55
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diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
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+# SPDX-License-Identifier: GPL-2.0
+config PGTABLE_LEVELS
+ int "Page Table Levels" if !IA64_PAGE_SIZE_64KB
+ range 3 4 if !IA64_PAGE_SIZE_64KB
+ default 3
+
+menu "Processor type and features"
+
+config IA64
+ bool
+ select ARCH_BINFMT_ELF_EXTRA_PHDRS
+ select ARCH_HAS_CPU_FINALIZE_INIT
+ select ARCH_HAS_DMA_MARK_CLEAN
+ select ARCH_HAS_STRNCPY_FROM_USER
+ select ARCH_HAS_STRNLEN_USER
+ select ARCH_MIGHT_HAVE_PC_PARPORT
+ select ARCH_MIGHT_HAVE_PC_SERIO
+ select ACPI
+ select ACPI_NUMA if NUMA
+ select ARCH_ENABLE_MEMORY_HOTPLUG
+ select ARCH_ENABLE_MEMORY_HOTREMOVE
+ select ARCH_SUPPORTS_ACPI
+ select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
+ select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
+ select FORCE_PCI
+ select PCI_DOMAINS if PCI
+ select PCI_MSI
+ select PCI_SYSCALL if PCI
+ select HAS_IOPORT
+ select HAVE_ASM_MODVERSIONS
+ select HAVE_UNSTABLE_SCHED_CLOCK
+ select HAVE_EXIT_THREAD
+ select HAVE_KPROBES
+ select HAVE_KRETPROBES
+ select HAVE_FTRACE_MCOUNT_RECORD
+ select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
+ select HAVE_FUNCTION_TRACER
+ select HAVE_SETUP_PER_CPU_AREA
+ select TTY
+ select HAVE_ARCH_TRACEHOOK
+ select HAVE_FUNCTION_DESCRIPTORS
+ select HAVE_VIRT_CPU_ACCOUNTING
+ select HUGETLB_PAGE_SIZE_VARIABLE if HUGETLB_PAGE
+ select GENERIC_IRQ_PROBE
+ select GENERIC_PENDING_IRQ if SMP
+ select GENERIC_IRQ_SHOW
+ select GENERIC_IRQ_LEGACY
+ select ARCH_HAVE_NMI_SAFE_CMPXCHG
+ select GENERIC_IOMAP
+ select GENERIC_IOREMAP
+ select GENERIC_SMP_IDLE_THREAD
+ select ARCH_TASK_STRUCT_ON_STACK
+ select ARCH_TASK_STRUCT_ALLOCATOR
+ select ARCH_THREAD_STACK_ALLOCATOR
+ select ARCH_CLOCKSOURCE_DATA
+ select GENERIC_TIME_VSYSCALL
+ select LEGACY_TIMER_TICK
+ select SWIOTLB
+ select SYSCTL_ARCH_UNALIGN_NO_WARN
+ select HAVE_MOD_ARCH_SPECIFIC
+ select MODULES_USE_ELF_RELA
+ select ARCH_USE_CMPXCHG_LOCKREF
+ select HAVE_ARCH_AUDITSYSCALL
+ select NEED_DMA_MAP_STATE
+ select NEED_SG_DMA_LENGTH
+ select NUMA if !FLATMEM
+ select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
+ select ZONE_DMA32
+ select FUNCTION_ALIGNMENT_32B
+ default y
+ help
+ The Itanium Processor Family is Intel's 64-bit successor to
+ the 32-bit X86 line. The IA-64 Linux project has a home
+ page at <http://www.linuxia64.org/> and a mailing list at
+ <linux-ia64@vger.kernel.org>.
+
+config 64BIT
+ bool
+ select ATA_NONSTANDARD if ATA
+ default y
+
+config MMU
+ bool
+ default y
+
+config STACKTRACE_SUPPORT
+ def_bool y
+
+config GENERIC_LOCKBREAK
+ def_bool n
+
+config GENERIC_CALIBRATE_DELAY
+ bool
+ default y
+
+config DMI
+ bool
+ default y
+ select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
+
+config EFI
+ bool
+ select UCS2_STRING
+ default y
+
+config SCHED_OMIT_FRAME_POINTER
+ bool
+ default y
+
+config IA64_UNCACHED_ALLOCATOR
+ bool
+ select GENERIC_ALLOCATOR
+
+config ARCH_USES_PG_UNCACHED
+ def_bool y
+ depends on IA64_UNCACHED_ALLOCATOR
+
+config AUDIT_ARCH
+ bool
+ default y
+
+choice
+ prompt "Processor type"
+ default ITANIUM
+
+config ITANIUM
+ bool "Itanium"
+ help
+ Select your IA-64 processor type. The default is Itanium.
+ This choice is safe for all IA-64 systems, but may not perform
+ optimally on systems with, say, Itanium 2 or newer processors.
+
+config MCKINLEY
+ bool "Itanium 2"
+ help
+ Select this to configure for an Itanium 2 (McKinley) processor.
+
+endchoice
+
+choice
+ prompt "Kernel page size"
+ default IA64_PAGE_SIZE_16KB
+
+config IA64_PAGE_SIZE_4KB
+ bool "4KB"
+ help
+ This lets you select the page size of the kernel. For best IA-64
+ performance, a page size of 8KB or 16KB is recommended. For best
+ IA-32 compatibility, a page size of 4KB should be selected (the vast
+ majority of IA-32 binaries work perfectly fine with a larger page
+ size). For Itanium 2 or newer systems, a page size of 64KB can also
+ be selected.
+
+ 4KB For best IA-32 compatibility
+ 8KB For best IA-64 performance
+ 16KB For best IA-64 performance
+ 64KB Requires Itanium 2 or newer processor.
+
+ If you don't know what to do, choose 16KB.
+
+config IA64_PAGE_SIZE_8KB
+ bool "8KB"
+
+config IA64_PAGE_SIZE_16KB
+ bool "16KB"
+
+config IA64_PAGE_SIZE_64KB
+ depends on !ITANIUM
+ bool "64KB"
+
+endchoice
+
+source "kernel/Kconfig.hz"
+
+config IA64_BRL_EMU
+ bool
+ depends on ITANIUM
+ default y
+
+# align cache-sensitive data to 128 bytes
+config IA64_L1_CACHE_SHIFT
+ int
+ default "7" if MCKINLEY
+ default "6" if ITANIUM
+
+config IA64_SGI_UV
+ bool "SGI-UV support"
+ help
+ Selecting this option will add specific support for running on SGI
+ UV based systems. If you have an SGI UV system or are building a
+ distro kernel, select this option.
+
+config IA64_HP_SBA_IOMMU
+ bool "HP SBA IOMMU support"
+ select DMA_OPS
+ default y
+ help
+ Say Y here to add support for the SBA IOMMU found on HP zx1 and
+ sx1000 systems. If you're unsure, answer Y.
+
+config IA64_CYCLONE
+ bool "Cyclone (EXA) Time Source support"
+ help
+ Say Y here to enable support for IBM EXA Cyclone time source.
+ If you're unsure, answer N.
+
+config ARCH_FORCE_MAX_ORDER
+ int
+ default "16" if HUGETLB_PAGE
+ default "10"
+
+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 single and multiprocessor
+ systems, but will use only one CPU of a multiprocessor system. If
+ you say Y here, the kernel will run on many, but not all,
+ single processor systems. On a single processor system, the kernel
+ will run faster if you say N here.
+
+ See also the SMP-HOWTO available at
+ <http://www.tldp.org/docs.html#howto>.
+
+ If you don't know what to do here, say N.
+
+config NR_CPUS
+ int "Maximum number of CPUs (2-4096)"
+ range 2 4096
+ depends on SMP
+ default "4096"
+ help
+ You should set this to the number of CPUs in your system, but
+ keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
+ only use 2 CPUs on a >2 CPU system. Setting this to a value larger
+ than 64 will cause the use of a CPU mask array, causing a small
+ performance hit.
+
+config HOTPLUG_CPU
+ bool "Support for hot-pluggable CPUs"
+ depends on SMP
+ default n
+ help
+ Say Y here to experiment with turning CPUs off and on. CPUs
+ can be controlled through /sys/devices/system/cpu/cpu#.
+ Say N if you want to disable CPU hotplug.
+
+config SCHED_SMT
+ bool "SMT scheduler support"
+ depends on SMP
+ help
+ Improves the CPU scheduler's decision making when dealing with
+ Intel IA64 chips with MultiThreading at a cost of slightly increased
+ overhead in some places. If unsure say N here.
+
+config PERMIT_BSP_REMOVE
+ bool "Support removal of Bootstrap Processor"
+ depends on HOTPLUG_CPU
+ default n
+ help
+ Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
+ support.
+
+config FORCE_CPEI_RETARGET
+ bool "Force assumption that CPEI can be re-targeted"
+ depends on PERMIT_BSP_REMOVE
+ default n
+ help
+ Say Y if you need to force the assumption that CPEI can be re-targeted to
+ any cpu in the system. This hint is available via ACPI 3.0 specifications.
+ Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
+ This option it useful to enable this feature on older BIOS's as well.
+ You can also enable this by using boot command line option force_cpei=1.
+
+config ARCH_SELECT_MEMORY_MODEL
+ def_bool y
+
+config ARCH_FLATMEM_ENABLE
+ def_bool y
+
+config ARCH_SPARSEMEM_ENABLE
+ def_bool y
+ select SPARSEMEM_VMEMMAP_ENABLE
+
+config ARCH_SPARSEMEM_DEFAULT
+ def_bool y
+ depends on ARCH_SPARSEMEM_ENABLE
+
+config NUMA
+ bool "NUMA support"
+ depends on !FLATMEM
+ select SMP
+ select USE_PERCPU_NUMA_NODE_ID
+ help
+ Say Y to compile the kernel to support NUMA (Non-Uniform Memory
+ Access). This option is for configuring high-end multiprocessor
+ server systems. If in doubt, say N.
+
+config NODES_SHIFT
+ int "Max num nodes shift(3-10)"
+ range 3 10
+ default "10"
+ depends on NUMA
+ help
+ This option specifies the maximum number of nodes in your SSI system.
+ MAX_NUMNODES will be 2^(This value).
+ If in doubt, use the default.
+
+config HAVE_ARCH_NODEDATA_EXTENSION
+ def_bool y
+ depends on NUMA
+
+config HAVE_MEMORYLESS_NODES
+ def_bool NUMA
+
+config ARCH_PROC_KCORE_TEXT
+ def_bool y
+ depends on PROC_KCORE
+
+config IA64_MCA_RECOVERY
+ bool "MCA recovery from errors other than TLB."
+
+config IA64_PALINFO
+ tristate "/proc/pal support"
+ help
+ If you say Y here, you are able to get PAL (Processor Abstraction
+ Layer) information in /proc/pal. This contains useful information
+ about the processors in your systems, such as cache and TLB sizes
+ and the PAL firmware version in use.
+
+ To use this option, you have to ensure that the "/proc file system
+ support" (CONFIG_PROC_FS) is enabled, too.
+
+config IA64_MC_ERR_INJECT
+ tristate "MC error injection support"
+ help
+ Adds support for MC error injection. If enabled, the kernel
+ will provide a sysfs interface for user applications to
+ call MC error injection PAL procedures to inject various errors.
+ This is a useful tool for MCA testing.
+
+ If you're unsure, do not select this option.
+
+config IA64_ESI
+ bool "ESI (Extensible SAL Interface) support"
+ help
+ If you say Y here, support is built into the kernel to
+ make ESI calls. ESI calls are used to support vendor-specific
+ firmware extensions, such as the ability to inject memory-errors
+ for test-purposes. If you're unsure, say N.
+
+config IA64_HP_AML_NFW
+ bool "Support ACPI AML calls to native firmware"
+ help
+ This driver installs a global ACPI Operation Region handler for
+ region 0xA1. AML methods can use this OpRegion to call arbitrary
+ native firmware functions. The driver installs the OpRegion
+ handler if there is an HPQ5001 device or if the user supplies
+ the "force" module parameter, e.g., with the "aml_nfw.force"
+ kernel command line option.
+
+endmenu
+
+config ARCH_SUPPORTS_KEXEC
+ def_bool !SMP || HOTPLUG_CPU
+
+config ARCH_SUPPORTS_CRASH_DUMP
+ def_bool IA64_MCA_RECOVERY && (!SMP || HOTPLUG_CPU)
+
+menu "Power management and ACPI options"
+
+source "kernel/power/Kconfig"
+
+source "drivers/acpi/Kconfig"
+
+if PM
+menu "CPU Frequency scaling"
+source "drivers/cpufreq/Kconfig"
+endmenu
+endif
+
+endmenu
+
+config MSPEC
+ tristate "Memory special operations driver"
+ depends on IA64
+ select IA64_UNCACHED_ALLOCATOR
+ help
+ If you have an ia64 and you want to enable memory special
+ operations support (formerly known as fetchop), say Y here,
+ otherwise say N.
diff --git a/arch/ia64/Kconfig.debug b/arch/ia64/Kconfig.debug
new file mode 100644
index 0000000000..2ce008e2d1
--- /dev/null
+++ b/arch/ia64/Kconfig.debug
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0
+
+choice
+ prompt "Physical memory granularity"
+ default IA64_GRANULE_64MB
+
+config IA64_GRANULE_16MB
+ bool "16MB"
+ help
+ IA-64 identity-mapped regions use a large page size called "granules".
+
+ Select "16MB" for a small granule size.
+ Select "64MB" for a large granule size. This is the current default.
+
+config IA64_GRANULE_64MB
+ bool "64MB"
+ depends on BROKEN
+
+endchoice
+
+config IA64_PRINT_HAZARDS
+ bool "Print possible IA-64 dependency violations to console"
+ depends on DEBUG_KERNEL
+ help
+ Selecting this option prints more information for Illegal Dependency
+ Faults, that is, for Read-after-Write (RAW), Write-after-Write (WAW),
+ or Write-after-Read (WAR) violations. This option is ignored if you
+ are compiling for an Itanium A step processor
+ (CONFIG_ITANIUM_ASTEP_SPECIFIC). If you're unsure, select Y.
+
+config DISABLE_VHPT
+ bool "Disable VHPT"
+ depends on DEBUG_KERNEL
+ help
+ The Virtual Hash Page Table (VHPT) enhances virtual address
+ translation performance. Normally you want the VHPT active but you
+ can select this option to disable the VHPT for debugging. If you're
+ unsure, answer N.
+
+config IA64_DEBUG_CMPXCHG
+ bool "Turn on compare-and-exchange bug checking (slow!)"
+ depends on DEBUG_KERNEL && PRINTK
+ help
+ Selecting this option turns on bug checking for the IA-64
+ compare-and-exchange instructions. This is slow! Itaniums
+ from step B3 or later don't have this problem. If you're unsure,
+ select N.
+
+config IA64_DEBUG_IRQ
+ bool "Turn on irq debug checks (slow!)"
+ depends on DEBUG_KERNEL
+ help
+ Selecting this option turns on bug checking for the IA-64 irq_save
+ and restore instructions. It's useful for tracking down spinlock
+ problems, but slow! If you're unsure, select N.