CONFIG_RISCV is not available for thedefaultarchitecture x86.
Result is shown for architecture riscv
CONFIG_RISCV (not configurable)
configname: CONFIG_RISCV
Linux Kernel Configuration
└─>RISCV
In linux kernel since version 3.10 (release Date: 2013-06-30)
selects
CONFIG_PHYS_ADDR_T_64BITCONFIG_OF
CONFIG_OF_EARLY_FLATTREE
CONFIG_OF_IRQ
CONFIG_ARCH_WANT_FRAME_POINTERS
CONFIG_CLONE_BACKWARDS
CONFIG_COMMON_CLK
CONFIG_DMA_DIRECT_OPS
CONFIG_GENERIC_CLOCKEVENTS
CONFIG_GENERIC_CPU_DEVICES
CONFIG_GENERIC_IRQ_SHOW
CONFIG_GENERIC_PCI_IOMAP
CONFIG_GENERIC_STRNCPY_FROM_USER
CONFIG_GENERIC_STRNLEN_USER
CONFIG_GENERIC_SMP_IDLE_THREAD
CONFIG_GENERIC_ATOMIC64
CONFIG_HAVE_MEMBLOCK
CONFIG_HAVE_MEMBLOCK_NODE_MAP
CONFIG_HAVE_DMA_CONTIGUOUS
CONFIG_HAVE_GENERIC_DMA_COHERENT
CONFIG_HAVE_PERF_EVENTS
CONFIG_IRQ_DOMAIN
CONFIG_NO_BOOTMEM
CONFIG_RISCV_ISA_A
CONFIG_SPARSE_IRQ
CONFIG_SYSCTL_EXCEPTION_TRACE
CONFIG_HAVE_ARCH_TRACEHOOK
CONFIG_MODULES_USE_ELF_RELA
CONFIG_THREAD_INFO_IN_TASK
CONFIG_RISCV_TIMER
CONFIG_GENERIC_IRQ_MULTI_HANDLER
CONFIG_ARCH_HAS_PTE_SPECIAL