CONFIG_LOONGARCH is not available for thedefaultarchitecture x86.
Result is shown for architecture loongarch

CONFIG_LOONGARCH (not configurable)

configname: CONFIG_LOONGARCH

Linux Kernel Configuration
└─>LOONGARCH
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
selects
CONFIG_ACPI
CONFIG_ACPI_GENERIC_GSI
CONFIG_ACPI_MCFG
CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
CONFIG_ARCH_BINFMT_ELF_STATE
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE
CONFIG_ARCH_HAS_ACPI_TABLE_UPGRADE
CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
CONFIG_ARCH_HAS_PTE_SPECIAL
CONFIG_ARCH_HAS_TICK_BROADCAST
CONFIG_ARCH_INLINE_READ_LOCK
CONFIG_ARCH_INLINE_READ_LOCK_BH
CONFIG_ARCH_INLINE_READ_LOCK_IRQ
CONFIG_ARCH_INLINE_READ_LOCK_IRQSAVE
CONFIG_ARCH_INLINE_READ_UNLOCK
CONFIG_ARCH_INLINE_READ_UNLOCK_BH
CONFIG_ARCH_INLINE_READ_UNLOCK_IRQ
CONFIG_ARCH_INLINE_READ_UNLOCK_IRQRESTORE
CONFIG_ARCH_INLINE_WRITE_LOCK
CONFIG_ARCH_INLINE_WRITE_LOCK_BH
CONFIG_ARCH_INLINE_WRITE_LOCK_IRQ
CONFIG_ARCH_INLINE_WRITE_LOCK_IRQSAVE
CONFIG_ARCH_INLINE_WRITE_UNLOCK
CONFIG_ARCH_INLINE_WRITE_UNLOCK_BH
CONFIG_ARCH_INLINE_WRITE_UNLOCK_IRQ
CONFIG_ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
CONFIG_ARCH_INLINE_SPIN_TRYLOCK
CONFIG_ARCH_INLINE_SPIN_TRYLOCK_BH
CONFIG_ARCH_INLINE_SPIN_LOCK
CONFIG_ARCH_INLINE_SPIN_LOCK_BH
CONFIG_ARCH_INLINE_SPIN_LOCK_IRQ
CONFIG_ARCH_INLINE_SPIN_LOCK_IRQSAVE
CONFIG_ARCH_INLINE_SPIN_UNLOCK
CONFIG_ARCH_INLINE_SPIN_UNLOCK_BH
CONFIG_ARCH_INLINE_SPIN_UNLOCK_IRQ
CONFIG_ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE
CONFIG_ARCH_KEEP_MEMBLOCK
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT
CONFIG_ARCH_MIGHT_HAVE_PC_SERIO
CONFIG_ARCH_SPARSEMEM_ENABLE
CONFIG_ARCH_STACKWALK
CONFIG_ARCH_SUPPORTS_ACPI
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW
CONFIG_ARCH_SUPPORTS_HUGETLBFS
CONFIG_ARCH_SUPPORTS_NUMA_BALANCING
CONFIG_ARCH_USE_BUILTIN_BSWAP
CONFIG_ARCH_USE_CMPXCHG_LOCKREF
CONFIG_ARCH_USE_QUEUED_RWLOCKS
CONFIG_ARCH_USE_QUEUED_SPINLOCKS
CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
CONFIG_ARCH_WANT_LD_ORPHAN_WARN
CONFIG_ARCH_WANTS_NO_INSTR
CONFIG_BUILDTIME_TABLE_SORT
CONFIG_COMMON_CLK
CONFIG_EFI
CONFIG_GENERIC_CLOCKEVENTS
CONFIG_GENERIC_CMOS_UPDATE
CONFIG_GENERIC_CPU_AUTOPROBE
CONFIG_GENERIC_ENTRY
CONFIG_GENERIC_GETTIMEOFDAY
CONFIG_GENERIC_IOREMAP
CONFIG_GENERIC_IRQ_MULTI_HANDLER
CONFIG_GENERIC_IRQ_PROBE
CONFIG_GENERIC_IRQ_SHOW
CONFIG_GENERIC_LIB_ASHLDI3
CONFIG_GENERIC_LIB_ASHRDI3
CONFIG_GENERIC_LIB_CMPDI2
CONFIG_GENERIC_LIB_LSHRDI3
CONFIG_GENERIC_LIB_UCMPDI2
CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED
CONFIG_GENERIC_PCI_IOMAP
CONFIG_GENERIC_SCHED_CLOCK
CONFIG_GENERIC_SMP_IDLE_THREAD
CONFIG_GENERIC_TIME_VSYSCALL
CONFIG_GPIOLIB
CONFIG_HAVE_ARCH_AUDITSYSCALL
CONFIG_HAVE_ARCH_MMAP_RND_BITS
CONFIG_HAVE_ARCH_SECCOMP_FILTER
CONFIG_HAVE_ARCH_TRACEHOOK
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE
CONFIG_HAVE_ASM_MODVERSIONS
CONFIG_HAVE_CONTEXT_TRACKING_USER
CONFIG_HAVE_DEBUG_STACKOVERFLOW
CONFIG_HAVE_DMA_CONTIGUOUS
CONFIG_HAVE_EBPF_JIT
CONFIG_HAVE_EXIT_THREAD
CONFIG_HAVE_FAST_GUP
CONFIG_HAVE_GENERIC_VDSO
CONFIG_HAVE_IOREMAP_PROT
CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
CONFIG_HAVE_IRQ_TIME_ACCOUNTING
CONFIG_HAVE_MOD_ARCH_SPECIFIC
CONFIG_HAVE_NMI
CONFIG_HAVE_PCI
CONFIG_HAVE_PERF_EVENTS
CONFIG_HAVE_PERF_REGS
CONFIG_HAVE_PERF_USER_STACK_DUMP
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API
CONFIG_HAVE_RSEQ
CONFIG_HAVE_SETUP_PER_CPU_AREA
CONFIG_HAVE_SYSCALL_TRACEPOINTS
CONFIG_HAVE_TIF_NOHZ
CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN
CONFIG_IRQ_FORCED_THREADING
CONFIG_IRQ_LOONGARCH_CPU
CONFIG_LOCK_MM_AND_FIND_VMA
CONFIG_MMU_GATHER_MERGE_VMAS
CONFIG_MODULES_USE_ELF_RELA
CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK
CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK
CONFIG_PCI
CONFIG_PCI_DOMAINS_GENERIC
CONFIG_PCI_ECAM
CONFIG_PCI_LOONGSON
CONFIG_PCI_MSI_ARCH_FALLBACKS
CONFIG_PCI_QUIRKS
CONFIG_PERF_USE_VMALLOC
CONFIG_RTC_LIB
CONFIG_SMP
CONFIG_SPARSE_IRQ
CONFIG_SYSCTL_EXCEPTION_TRACE
CONFIG_SWIOTLB
CONFIG_TRACE_IRQFLAGS_SUPPORT
CONFIG_USE_PERCPU_NUMA_NODE_ID
CONFIG_USER_STACKTRACE_SUPPORT
CONFIG_ZONE_DMA32