diff options
Diffstat (limited to 'arch/loongarch/Kconfig')
| -rw-r--r-- | arch/loongarch/Kconfig | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index a5f300ec6f2808..e38139c576ee90 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -16,8 +16,10 @@ config LOONGARCH select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI select ARCH_HAS_CPU_FINALIZE_INIT select ARCH_HAS_CURRENT_STACK_POINTER + select ARCH_HAS_FAST_MULTIPLIER select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_KCOV + select ARCH_HAS_KERNEL_FPU_SUPPORT if CPU_HAS_FPU select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE select ARCH_HAS_PTE_SPECIAL @@ -56,6 +58,7 @@ config LOONGARCH select ARCH_SUPPORTS_ACPI select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_SUPPORTS_HUGETLBFS + select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 select ARCH_SUPPORTS_LTO_CLANG select ARCH_SUPPORTS_LTO_CLANG_THIN select ARCH_SUPPORTS_NUMA_BALANCING @@ -63,10 +66,12 @@ config LOONGARCH select ARCH_USE_CMPXCHG_LOCKREF select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS + select ARCH_WANT_DEFAULT_BPF_JIT select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT select ARCH_WANT_LD_ORPHAN_WARN select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP select ARCH_WANTS_NO_INSTR + select ARCH_WANTS_THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE select BUILDTIME_TABLE_SORT select COMMON_CLK select CPU_PM @@ -119,7 +124,7 @@ config LOONGARCH select HAVE_EBPF_JIT select HAVE_EFFICIENT_UNALIGNED_ACCESS if !ARCH_STRICT_ALIGN select HAVE_EXIT_THREAD - select HAVE_FAST_GUP + select HAVE_GUP_FAST select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_ARG_ACCESS_API select HAVE_FUNCTION_ERROR_INJECTION @@ -174,7 +179,6 @@ config LOONGARCH select PCI_QUIRKS select PERF_USE_VMALLOC select RTC_LIB - select SMP select SPARSE_IRQ select SYSCTL_ARCH_UNALIGN_ALLOW select SYSCTL_ARCH_UNALIGN_NO_WARN @@ -420,6 +424,7 @@ config EFI_STUB config SCHED_SMT bool "SMT scheduler support" + depends on SMP default y help Improves scheduler's performance when there are multiple @@ -595,7 +600,7 @@ config ARCH_SELECTS_CRASH_DUMP select RELOCATABLE config ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION - def_bool CRASH_CORE + def_bool CRASH_RESERVE config RELOCATABLE bool "Relocatable kernel" @@ -632,6 +637,15 @@ config RANDOMIZE_BASE_MAX_OFFSET source "kernel/livepatch/Kconfig" +config PARAVIRT + bool "Enable paravirtualization code" + depends on AS_HAS_LVZ_EXTENSION + help + This changes the kernel so it can modify itself when it is run + under a hypervisor, potentially improving performance significantly + over full virtualization. However, when run without a hypervisor + the kernel is theoretically slower and slightly larger. + endmenu config ARCH_SELECT_MEMORY_MODEL |