Hi, On 7/5/21 9:18 PM, Huacai Chen wrote: > diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig > new file mode 100644 > index 000000000000..7d5889a264c6 > --- /dev/null > +++ b/arch/loongarch/Kconfig > @@ -0,0 +1,403 @@ > +# SPDX-License-Identifier: GPL-2.0 > +config LOONGARCH > + bool > + default y Some arch/ maintainers prefer to keep this list in alphabetical order... It may make it easier to find entries -- prevent duplicates from being added. > + select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI > + select ARCH_BINFMT_ELF_STATE > + select ARCH_DISCARD_MEMBLOCK > + select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI > + select ARCH_HAS_ELF_RANDOMIZE > + select ARCH_HAS_PTE_SPECIAL if !32BIT > + select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST > + select ARCH_INLINE_READ_LOCK if !PREEMPTION > + select ARCH_INLINE_READ_LOCK_BH if !PREEMPTION > + select ARCH_INLINE_READ_LOCK_IRQ if !PREEMPTION > + select ARCH_INLINE_READ_LOCK_IRQSAVE if !PREEMPTION > + select ARCH_INLINE_READ_UNLOCK if !PREEMPTION > + select ARCH_INLINE_READ_UNLOCK_BH if !PREEMPTION > + select ARCH_INLINE_READ_UNLOCK_IRQ if !PREEMPTION > + select ARCH_INLINE_READ_UNLOCK_IRQRESTORE if !PREEMPTION > + select ARCH_INLINE_WRITE_LOCK if !PREEMPTION > + select ARCH_INLINE_WRITE_LOCK_BH if !PREEMPTION > + select ARCH_INLINE_WRITE_LOCK_IRQ if !PREEMPTION > + select ARCH_INLINE_WRITE_LOCK_IRQSAVE if !PREEMPTION > + select ARCH_INLINE_WRITE_UNLOCK if !PREEMPTION > + select ARCH_INLINE_WRITE_UNLOCK_BH if !PREEMPTION > + select ARCH_INLINE_WRITE_UNLOCK_IRQ if !PREEMPTION > + select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE if !PREEMPTION > + select ARCH_INLINE_SPIN_TRYLOCK if !PREEMPTION > + select ARCH_INLINE_SPIN_TRYLOCK_BH if !PREEMPTION > + select ARCH_INLINE_SPIN_LOCK if !PREEMPTION > + select ARCH_INLINE_SPIN_LOCK_BH if !PREEMPTION > + select ARCH_INLINE_SPIN_LOCK_IRQ if !PREEMPTION > + select ARCH_INLINE_SPIN_LOCK_IRQSAVE if !PREEMPTION > + select ARCH_INLINE_SPIN_UNLOCK if !PREEMPTION > + select ARCH_INLINE_SPIN_UNLOCK_BH if !PREEMPTION > + select ARCH_INLINE_SPIN_UNLOCK_IRQ if !PREEMPTION > + select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE if !PREEMPTION > + select ARCH_SUPPORTS_ACPI > + select ARCH_SUPPORTS_HUGETLBFS > + select ARCH_USE_BUILTIN_BSWAP > + select ARCH_USE_CMPXCHG_LOCKREF if 64BIT > + select ARCH_USE_QUEUED_RWLOCKS > + select ARCH_USE_QUEUED_SPINLOCKS > + select BUILDTIME_TABLE_SORT > + select GENERIC_ATOMIC64 if !64BIT > + select GENERIC_CLOCKEVENTS > + select GENERIC_CMOS_UPDATE > + select GENERIC_CPU_AUTOPROBE > + select GENERIC_GETTIMEOFDAY > + select GENERIC_IOMAP > + select GENERIC_IRQ_PROBE > + select GENERIC_IRQ_SHOW > + select GENERIC_LIB_ASHLDI3 > + select GENERIC_LIB_ASHRDI3 > + select GENERIC_LIB_CMPDI2 > + select GENERIC_LIB_LSHRDI3 > + select GENERIC_LIB_UCMPDI2 > + select GENERIC_TIME_VSYSCALL > + select HANDLE_DOMAIN_IRQ > + select HAVE_ARCH_AUDITSYSCALL > + select HAVE_ARCH_COMPILER_H > + select HAVE_ARCH_MMAP_RND_BITS if MMU > + select HAVE_ARCH_SECCOMP_FILTER > + select HAVE_ARCH_TRACEHOOK > + select HAVE_ARCH_TRANSPARENT_HUGEPAGE > + select HAVE_ASM_MODVERSIONS > + select HAVE_CBPF_JIT if !64BIT > + select HAVE_EBPF_JIT if 64BIT > + select HAVE_CONTEXT_TRACKING > + select HAVE_COPY_THREAD_TLS > + select HAVE_DEBUG_KMEMLEAK > + select HAVE_DEBUG_STACKOVERFLOW > + select HAVE_DMA_CONTIGUOUS > + select HAVE_EXIT_THREAD > + select HAVE_FAST_GUP > + select HAVE_FUTEX_CMPXCHG if FUTEX > + select HAVE_GENERIC_VDSO > + select HAVE_IDE > + select HAVE_IOREMAP_PROT > + select HAVE_IRQ_EXIT_ON_IRQ_STACK > + select HAVE_IRQ_TIME_ACCOUNTING > + select HAVE_MEMBLOCK > + select HAVE_MEMBLOCK_NODE_MAP > + select HAVE_MOD_ARCH_SPECIFIC > + select HAVE_NMI > + select HAVE_PERF_EVENTS > + select HAVE_REGS_AND_STACK_ACCESS_API > + select HAVE_RSEQ > + select HAVE_SYSCALL_TRACEPOINTS > + select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT > + select IRQ_FORCED_THREADING > + select MODULES_USE_ELF_RELA if MODULES && 64BIT > + select MODULES_USE_ELF_REL if MODULES > + select PCI_DOMAINS if PCI > + select PCI_MSI_ARCH_FALLBACKS > + select PERF_USE_VMALLOC > + select RTC_LIB > + select SYSCTL_EXCEPTION_TRACE > + select VIRT_TO_BUS > + > +menu "Machine selection" > + > +choice > + prompt "System type" > + default MACH_LOONGSON64 > + > +config MACH_LOONGSON64 [...] > +choice > + prompt "Kernel page size" > + default PAGE_SIZE_16KB > + > +config PAGE_SIZE_4KB > + bool "4kB" > + help > + This option select the standard 4kB Linux page size. selects > + > +config PAGE_SIZE_16KB > + bool "16kB" > + help > + This option select the standard 16kB Linux page size. selects > + > +config PAGE_SIZE_64KB > + bool "64kB" > + help > + This option select the standard 64kB Linux page size. selects > + > +endchoice -- ~Randy
