diff options
Diffstat (limited to 'arch/loongarch/Kconfig')
| -rw-r--r-- | arch/loongarch/Kconfig | 41 |
1 files changed, 31 insertions, 10 deletions
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index dae3a9104ca6..f0abc38c40ac 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -24,11 +24,12 @@ config LOONGARCH select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE select ARCH_HAS_PREEMPT_LAZY - select ARCH_HAS_PTE_DEVMAP select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_SET_MEMORY select ARCH_HAS_SET_DIRECT_MAP select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST + select ARCH_HAS_UBSAN + select ARCH_HAS_VDSO_ARCH_DATA select ARCH_INLINE_READ_LOCK if !PREEMPTION select ARCH_INLINE_READ_LOCK_BH if !PREEMPTION select ARCH_INLINE_READ_LOCK_IRQ if !PREEMPTION @@ -66,10 +67,12 @@ config LOONGARCH select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 select ARCH_SUPPORTS_LTO_CLANG select ARCH_SUPPORTS_LTO_CLANG_THIN + select ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS select ARCH_SUPPORTS_NUMA_BALANCING select ARCH_SUPPORTS_RT select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF + select ARCH_USE_MEMTEST select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS select ARCH_WANT_DEFAULT_BPF_JIT @@ -81,6 +84,7 @@ config LOONGARCH select BUILDTIME_TABLE_SORT select COMMON_CLK select CPU_PM + select EDAC_SUPPORT select EFI select GENERIC_CLOCKEVENTS select GENERIC_CMOS_UPDATE @@ -104,6 +108,7 @@ config LOONGARCH select GENERIC_SCHED_CLOCK select GENERIC_SMP_IDLE_THREAD select GENERIC_TIME_VSYSCALL + select GENERIC_VDSO_DATA_STORE select GENERIC_VDSO_TIME_NS select GPIOLIB select HAS_IOPORT @@ -113,6 +118,7 @@ config LOONGARCH select HAVE_ARCH_KASAN select HAVE_ARCH_KFENCE select HAVE_ARCH_KGDB if PERF_EVENTS + select HAVE_ARCH_KSTACK_ERASE select HAVE_ARCH_MMAP_RND_BITS if MMU select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET select HAVE_ARCH_SECCOMP @@ -128,16 +134,17 @@ config LOONGARCH select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE select HAVE_DYNAMIC_FTRACE_WITH_ARGS + select HAVE_FTRACE_REGS_HAVING_PT_REGS select HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS select HAVE_DYNAMIC_FTRACE_WITH_REGS select HAVE_EBPF_JIT select HAVE_EFFICIENT_UNALIGNED_ACCESS if !ARCH_STRICT_ALIGN select HAVE_EXIT_THREAD select HAVE_GUP_FAST - select HAVE_FTRACE_MCOUNT_RECORD + select HAVE_FTRACE_GRAPH_FUNC select HAVE_FUNCTION_ARG_ACCESS_API select HAVE_FUNCTION_ERROR_INJECTION - select HAVE_FUNCTION_GRAPH_RETVAL if HAVE_FUNCTION_GRAPH_TRACER + select HAVE_FUNCTION_GRAPH_FREGS select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER select HAVE_GCC_PLUGINS @@ -171,7 +178,7 @@ config LOONGARCH select HAVE_STACKPROTECTOR select HAVE_SYSCALL_TRACEPOINTS select HAVE_TIF_NOHZ - select HAVE_VIRT_CPU_ACCOUNTING_GEN if !SMP + select HAVE_VIRT_CPU_ACCOUNTING_GEN select IRQ_FORCED_THREADING select IRQ_LOONGARCH_CPU select LOCK_MM_AND_FIND_VMA @@ -179,6 +186,7 @@ config LOONGARCH select MODULES_USE_ELF_RELA if MODULES select NEED_PER_CPU_EMBED_FIRST_CHUNK select NEED_PER_CPU_PAGE_FIRST_CHUNK + select NUMA_MEMBLKS if NUMA select OF select OF_EARLY_FLATTREE select PCI @@ -245,7 +253,7 @@ config MACH_LOONGSON64 def_bool 64BIT config FIX_EARLYCON_MEM - def_bool y + def_bool !ARCH_IOREMAP config PGTABLE_2LEVEL bool @@ -287,6 +295,9 @@ config AS_HAS_LBT_EXTENSION config AS_HAS_LVZ_EXTENSION def_bool $(as-instr,hvcl 0) +config CC_HAS_ANNOTATE_TABLEJUMP + def_bool $(cc-option,-mannotate-tablejump) + menu "Kernel type and options" source "kernel/Kconfig.hz" @@ -378,8 +389,8 @@ config CMDLINE_BOOTLOADER config CMDLINE_EXTEND bool "Use built-in to extend bootloader kernel arguments" help - The command-line arguments provided during boot will be - appended to the built-in command line. This is useful in + The built-in command line will be appended to the command- + line arguments provided during boot. This is useful in cases where the provided arguments are insufficient and you don't want to or cannot modify them. @@ -396,6 +407,7 @@ endchoice config BUILTIN_DTB bool "Enable built-in dtb in kernel" depends on OF + select GENERIC_BUILTIN_DTB help Some existing systems do not provide a canonical device tree to the kernel at boot time. Let's provide a device tree table in the @@ -444,6 +456,15 @@ config SCHED_SMT Improves scheduler's performance when there are multiple threads in one physical core. +config SCHED_MC + bool "Multi-core scheduler support" + depends on SMP + default y + help + Multi-core scheduler support improves the CPU scheduler's decision + making when dealing with multi-core CPU chips at a cost of slightly + increased overhead in some places. + config SMP bool "Multi-Processing support" help @@ -473,10 +494,10 @@ config HOTPLUG_CPU Say N if you want to disable CPU hotplug. config NR_CPUS - int "Maximum number of CPUs (2-256)" - range 2 256 + int "Maximum number of CPUs (2-2048)" + range 2 2048 + default "2048" depends on SMP - default "64" help This allows you to specify the maximum number of CPUs which this kernel will support. |