所有架構上的特性狀態

子系統: core

特性	Kconfig / 描述	每個架構的狀態
cBPF-JIT	HAVE_CBPF_JIT 架構支援 cBPF JIT 最佳化	ok: mips, powerpc sparc TODO: alpha, arc, arm arm64, csky, hexagon loongarch, m68k, microblaze nios2, openrisc, parisc riscv, s390, sh, um, x86 xtensa
eBPF-JIT	HAVE_EBPF_JIT 架構支援 eBPF JIT 最佳化	ok: arm, arm64 loongarch, mips, powerpc riscv, s390, sparc, x86 TODO: alpha, arc, csky hexagon, m68k, microblaze nios2, openrisc, parisc, sh um, xtensa
generic-idle-thread	GENERIC_SMP_IDLE_THREAD 架構使用通用的 SMP 空閒執行緒機制	ok: alpha, arc, arm arm64, csky, hexagon loongarch, mips, openrisc parisc, powerpc, riscv s390, sh, sparc, x86 xtensa TODO: m68k, microblaze nios2, um
jump-labels	HAVE_ARCH_JUMP_LABEL 架構支援即時修補的、高效的分支	ok: arc, arm, arm64 csky, loongarch, mips parisc, powerpc, riscv s390, sparc, x86, xtensa TODO: alpha, hexagon m68k, microblaze, nios2 openrisc, sh, um
mseal-system-mappings	ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS 架構支援 mseal 系統對映	ok: arm64, loongarch s390, x86 TODO: alpha, mips parisc, powerpc, riscv sparc, um N/A: arc, arm, csky hexagon, m68k, microblaze nios2, openrisc, sh, xtensa
thread-info-in-task	THREAD_INFO_IN_TASK 架構使用核心核心機制將 thread_info 嵌入到 task_struct 中	ok: arm, arm64, parisc powerpc, riscv, s390, x86 TODO: alpha, arc, csky hexagon, loongarch, m68k microblaze, mips, nios2 openrisc, sh, sparc, um xtensa
tracehook	HAVE_ARCH_TRACEHOOK 架構支援 tracehook (ptrace) 暫存器處理 API	ok: arc, arm, arm64 csky, hexagon, loongarch mips, nios2, openrisc parisc, powerpc, riscv s390, sh, sparc, x86 xtensa TODO: alpha, m68k microblaze, um

子系統: debug

特性	Kconfig / 描述	每個架構的狀態
debug-vm-pgtable	ARCH_HAS_DEBUG_VM_PGTABLE 架構支援用於語義一致性的 pgtable 測試	ok: arc, arm64 loongarch, parisc, powerpc riscv, s390, x86, xtensa TODO: alpha, arm, csky hexagon, m68k, microblaze mips, nios2, openrisc, sh sparc, um
gcov-profile-all	ARCH_HAS_GCOV_PROFILE_ALL 架構支援整個核心的 GCOV 程式碼覆蓋率分析	ok: arm, arm64, csky microblaze, mips, powerpc riscv, s390, sh, um, x86 xtensa TODO: alpha, arc hexagon, loongarch, m68k nios2, openrisc, parisc sparc
KASAN	HAVE_ARCH_KASAN 架構支援 KASAN 執行時記憶體檢查器	ok: arm, arm64 loongarch, powerpc, riscv s390, um, x86, xtensa TODO: alpha, arc, csky hexagon, m68k, microblaze mips, nios2, openrisc parisc, sh, sparc
kcov	ARCH_HAS_KCOV 架構支援 kcov 用於覆蓋引導的模糊測試	ok: arm, arm64 loongarch, mips, powerpc riscv, s390, um, x86 xtensa TODO: alpha, arc, csky hexagon, m68k, microblaze nios2, openrisc, parisc, sh sparc
kgdb	HAVE_ARCH_KGDB 架構支援 kGDB 核心偵錯程式	ok: arc, arm, arm64 hexagon, loongarch microblaze, mips, nios2 parisc, powerpc, riscv, sh sparc, x86 TODO: alpha, csky, m68k openrisc, s390, um, xtensa
kmemleak	HAVE_DEBUG_KMEMLEAK 架構支援核心記憶體洩漏檢測器	ok: arc, arm, arm64 csky, loongarch, microblaze mips, powerpc, riscv, s390 sh, sparc, um, x86, xtensa TODO: alpha, hexagon m68k, nios2, openrisc parisc
kprobes	HAVE_KPROBES 架構支援即時修補的核心探針	ok: arc, arm, arm64 csky, loongarch, mips parisc, powerpc, riscv s390, sh, sparc, x86 TODO: alpha, hexagon m68k, microblaze, nios2 openrisc, um, xtensa
kprobes-on-ftrace	HAVE_KPROBES_ON_FTRACE 架構支援組合的 kprobes 和 ftrace 即時修補	ok: csky, loongarch parisc, powerpc, s390, x86 TODO: alpha, arc, arm arm64, hexagon, m68k microblaze, mips, nios2 openrisc, riscv, sh, sparc um, xtensa
kretprobes	HAVE_KRETPROBES 架構支援核心函式返回探針	ok: arc, arm, arm64 csky, loongarch, mips parisc, powerpc, riscv s390, sh, sparc, x86 TODO: alpha, hexagon m68k, microblaze, nios2 openrisc, um, xtensa
optprobes	HAVE_OPTPROBES 架構支援即時修補的 optprobes	ok: arm, powerpc, x86 TODO: alpha, arc, arm64 csky, hexagon, loongarch m68k, microblaze, mips nios2, openrisc, parisc riscv, s390, sh, sparc, um xtensa
stackprotector	HAVE_STACKPROTECTOR 架構支援編譯器驅動的棧溢位保護	ok: arm, arm64, csky loongarch, mips, powerpc riscv, sh, x86, xtensa TODO: alpha, arc hexagon, m68k, microblaze nios2, openrisc, parisc s390, sparc, um
uprobes	ARCH_SUPPORTS_UPROBES 架構支援即時修補的使用者探針	ok: arm, arm64, csky loongarch, mips, powerpc riscv, s390, sparc, x86 TODO: alpha, arc hexagon, m68k, microblaze nios2, openrisc, parisc, sh um, xtensa
user-ret-profiler	HAVE_USER_RETURN_NOTIFIER 架構支援從系統呼叫分析器返回使用者空間	ok: x86 TODO: alpha, arc, arm arm64, csky, hexagon loongarch, m68k, microblaze mips, nios2, openrisc parisc, powerpc, riscv s390, sh, sparc, um, xtensa

子系統: io

特性	Kconfig / 描述	每個架構的狀態
dma-contiguous	HAVE_DMA_CONTIGUOUS 架構支援 DMA CMA（連續記憶體分配器）	ok: arm, arm64, csky loongarch, microblaze, mips riscv, s390, x86, xtensa TODO: alpha, arc hexagon, m68k, nios2 openrisc, parisc, powerpc sh, sparc, um

子系統: locking

特性	Kconfig / 描述	每個架構的狀態
cmpxchg-local	HAVE_CMPXCHG_LOCAL 架構支援 this_cpu_cmpxchg() API	ok: arm64, s390, x86 TODO: alpha, arc, arm csky, hexagon, loongarch m68k, microblaze, mips nios2, openrisc, parisc powerpc, riscv, sh, sparc um, xtensa
lockdep	LOCKDEP_SUPPORT 架構支援執行時鎖正確性除錯工具	ok: arc, arm, arm64 csky, hexagon, loongarch microblaze, mips, openrisc parisc, powerpc, riscv s390, sh, sparc, um, x86 xtensa TODO: alpha, m68k nios2
queued-rwlocks	ARCH_USE_QUEUED_RWLOCKS 架構支援排隊的讀寫鎖	ok: arm64, csky loongarch, mips, openrisc powerpc, riscv, sparc, x86 xtensa TODO: alpha, arc, arm hexagon, m68k, microblaze nios2, parisc, s390, sh, um
queued-spinlocks	ARCH_USE_QUEUED_SPINLOCKS 架構支援排隊的自旋鎖	ok: arm64, csky loongarch, mips, openrisc powerpc, riscv, sparc, x86 xtensa TODO: alpha, arc, arm hexagon, m68k, microblaze nios2, parisc, s390, sh, um

子系統: perf

特性	Kconfig / 描述	每個架構的狀態
kprobes-event	HAVE_REGS_AND_STACK_ACCESS_API 架構支援帶有 perf 事件的 kprobes	ok: arc, arm, arm64 csky, hexagon, loongarch mips, parisc, powerpc riscv, s390, sh, sparc, x86 TODO: alpha, m68k microblaze, nios2, openrisc um, xtensa
perf-regs	HAVE_PERF_REGS 架構支援 perf 事件暫存器訪問	ok: arm, arm64, csky loongarch, mips, powerpc riscv, s390, x86 TODO: alpha, arc hexagon, m68k, microblaze nios2, openrisc, parisc, sh sparc, um, xtensa
perf-stackdump	HAVE_PERF_USER_STACK_DUMP 架構支援 perf 事件堆疊轉儲	ok: arm, arm64, csky loongarch, mips, powerpc riscv, s390, x86 TODO: alpha, arc hexagon, m68k, microblaze nios2, openrisc, parisc, sh sparc, um, xtensa

子系統: sched

特性	Kconfig / 描述	每個架構的狀態
membarrier-sync-core	ARCH_HAS_MEMBARRIER_SYNC_CORE 架構支援核心序列化記憶體屏障	ok: arm, arm64, powerpc riscv, s390, x86 TODO: alpha, arc, csky hexagon, loongarch, m68k microblaze, mips, nios2 openrisc, parisc, sh, sparc um, xtensa
numa-balancing	ARCH_SUPPORTS_NUMA_BALANCING 架構支援 NUMA 平衡	ok: arm64, loongarch powerpc, riscv, s390, x86 TODO: alpha, mips sparc Not compatible: arc arm, csky, hexagon, m68k microblaze, nios2, openrisc parisc, sh, um, xtensa

子系統: seccomp

特性	Kconfig / 描述	每個架構的狀態
seccomp-filter	HAVE_ARCH_SECCOMP_FILTER 架構支援 seccomp 過濾器	ok: arm, arm64, csky loongarch, m68k, mips parisc, powerpc, riscv s390, sh, um, x86, xtensa TODO: alpha, arc hexagon, microblaze, nios2 openrisc, sparc

子系統: time

特性	Kconfig / 描述	每個架構的狀態
arch-tick-broadcast	ARCH_HAS_TICK_BROADCAST 架構提供 tick_broadcast()	ok: arm, arm64 loongarch, mips, powerpc riscv, sh TODO: alpha, arc, csky hexagon, m68k, microblaze nios2, openrisc, parisc s390, sparc, um, x86 xtensa
clockevents	!LEGACY_TIMER_TICK 架構支援通用時鐘事件	ok: alpha, arc, arm64 csky, hexagon, loongarch microblaze, mips, nios2 openrisc, powerpc, riscv s390, sh, sparc, um, x86 xtensa TODO: arm, m68k, parisc
irq-time-acct	HAVE_IRQ_TIME_ACCOUNTING 架構支援精確的 IRQ 時間統計	ok: arm, arm64 loongarch, mips, powerpc riscv, x86, xtensa TODO: arc, csky hexagon, m68k, microblaze nios2, openrisc, sh, um Not compatible: alpha parisc, s390, sparc
user-context-tracking	HAVE_CONTEXT_TRACKING_USER 架構支援 NO_HZ_FULL 的使用者上下文跟蹤	ok: arm, arm64, csky loongarch, mips, powerpc riscv, sparc, x86, xtensa TODO: alpha, arc hexagon, m68k, microblaze nios2, openrisc, parisc s390, sh, um
virt-cpuacct	HAVE_VIRT_CPU_ACCOUNTING 架構支援精確的虛擬 CPU 時間統計	ok: alpha, arm, arm64 csky, loongarch, mips parisc, powerpc, s390 sparc, x86, xtensa TODO: arc, hexagon m68k, microblaze, nios2 openrisc, riscv, sh, um

子系統: vm

特性	Kconfig / 描述	每個架構的狀態
batch-unmap-tlb-flush	ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH 架構支援延遲 TLB 重新整理，直到多個頁面被取消對映	ok: arm64, riscv, x86 TODO: alpha, arc, arm csky, hexagon, loongarch mips, parisc, powerpc, s390 sh, sparc, xtensa Not compatible: m68k microblaze, nios2, openrisc um
ELF-ASLR	ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT 架構隨機化 ELF 二進位制檔案的堆疊、堆和二進位制映象	ok: arm, arm64, csky loongarch, mips, parisc powerpc, riscv, s390, x86 TODO: alpha, arc hexagon, m68k, microblaze nios2, openrisc, sh, sparc um, xtensa
huge-vmap	HAVE_ARCH_HUGE_VMAP 架構支援 arch_vmap_pud_supported() 和 arch_vmap_pmd_supported() VM APIs	ok: arm64, powerpc riscv, x86 TODO: alpha, arc, arm csky, hexagon, loongarch m68k, microblaze, mips nios2, openrisc, parisc s390, sh, sparc, um, xtensa
ioremap_prot	HAVE_IOREMAP_PROT 架構具有 ioremap_prot()	ok: arc, arm64 loongarch, mips, powerpc s390, sh, x86 TODO: alpha, arm, csky hexagon, m68k, microblaze nios2, openrisc, parisc riscv, sparc, um, xtensa
pte_special	ARCH_HAS_PTE_SPECIAL 架構支援 pte_special()/pte_mkspecial() VM APIs	ok: arc, arm, arm64 loongarch, mips, parisc powerpc, riscv, s390, sh sparc, x86 TODO: alpha, csky hexagon, m68k, microblaze nios2, openrisc, um, xtensa
THP	HAVE_ARCH_TRANSPARENT_HUGEPAGE 架構支援透明大頁	ok: arc, arm, arm64 loongarch, mips, powerpc riscv, s390, sparc, x86 TODO: alpha, parisc Not compatible: csky hexagon, m68k, microblaze nios2, openrisc, sh, um xtensa