Merge tag 'loongarch-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai...

[thirdparty/linux.git] / arch / loongarch / Kconfig

diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 32b9da4622ce4e2bda0167b25c584f18cb90bff8..0c7fb52727ba54ef621c74ed4f83b37d957f9071 100644 (file)
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -5,6 +5,7 @@ config LOONGARCH
        select ACPI
        select ACPI_GENERIC_GSI if ACPI
        select ACPI_MCFG if ACPI
+       select ACPI_PPTT if ACPI
        select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
        select ARCH_BINFMT_ELF_STATE
        select ARCH_ENABLE_MEMORY_HOTPLUG
@@ -49,6 +50,8 @@ config LOONGARCH
        select ARCH_SUPPORTS_ACPI
        select ARCH_SUPPORTS_ATOMIC_RMW
        select ARCH_SUPPORTS_HUGETLBFS
+       select ARCH_SUPPORTS_LTO_CLANG
+       select ARCH_SUPPORTS_LTO_CLANG_THIN
        select ARCH_SUPPORTS_NUMA_BALANCING
        select ARCH_USE_BUILTIN_BSWAP
        select ARCH_USE_CMPXCHG_LOCKREF
@@ -81,9 +84,12 @@ config LOONGARCH
        select GENERIC_SCHED_CLOCK
        select GENERIC_SMP_IDLE_THREAD
        select GENERIC_TIME_VSYSCALL
+       select GENERIC_VDSO_TIME_NS
        select GPIOLIB
        select HAS_IOPORT
        select HAVE_ARCH_AUDITSYSCALL
+       select HAVE_ARCH_JUMP_LABEL
+       select HAVE_ARCH_JUMP_LABEL_RELATIVE
        select HAVE_ARCH_MMAP_RND_BITS if MMU
        select HAVE_ARCH_SECCOMP_FILTER
        select HAVE_ARCH_TRACEHOOK
@@ -91,6 +97,7 @@ config LOONGARCH
        select HAVE_ASM_MODVERSIONS
        select HAVE_CONTEXT_TRACKING_USER
        select HAVE_C_RECORDMCOUNT
+       select HAVE_DEBUG_KMEMLEAK
        select HAVE_DEBUG_STACKOVERFLOW
        select HAVE_DMA_CONTIGUOUS
        select HAVE_DYNAMIC_FTRACE
@@ -121,6 +128,7 @@ config LOONGARCH
        select HAVE_PERF_REGS
        select HAVE_PERF_USER_STACK_DUMP
        select HAVE_REGS_AND_STACK_ACCESS_API
+       select HAVE_RETHOOK
        select HAVE_RSEQ
        select HAVE_SAMPLE_FTRACE_DIRECT
        select HAVE_SAMPLE_FTRACE_DIRECT_MULTI
@@ -163,14 +171,6 @@ config 32BIT
 config 64BIT
        def_bool y
 
-config CPU_HAS_FPU
-       bool
-       default y
-
-config CPU_HAS_PREFETCH
-       bool
-       default y
-
 config GENERIC_BUG
        def_bool y
        depends on BUG
@@ -243,6 +243,15 @@ config SCHED_OMIT_FRAME_POINTER
 config AS_HAS_EXPLICIT_RELOCS
        def_bool $(as-instr,x:pcalau12i \$t0$(comma)%pc_hi20(x))
 
+config AS_HAS_FCSR_CLASS
+       def_bool $(as-instr,movfcsr2gr \$t0$(comma)\$fcsr0)
+
+config AS_HAS_LSX_EXTENSION
+       def_bool $(as-instr,vld \$vr0$(comma)\$a0$(comma)0)
+
+config AS_HAS_LASX_EXTENSION
+       def_bool $(as-instr,xvld \$xr0$(comma)\$a0$(comma)0)
+
 menu "Kernel type and options"
 
 source "kernel/Kconfig.hz"
@@ -374,6 +383,13 @@ config EFI_STUB
          This kernel feature allows the kernel to be loaded directly by
          EFI firmware without the use of a bootloader.
 
+config SCHED_SMT
+       bool "SMT scheduler support"
+       default y
+       help
+         Improves scheduler's performance when there are multiple
+         threads in one physical core.
+
 config SMP
        bool "Multi-Processing support"
        help
@@ -483,6 +499,43 @@ config ARCH_STRICT_ALIGN
          to run kernel only on systems with h/w unaligned access support in
          order to optimise for performance.
 
+config CPU_HAS_FPU
+       bool
+       default y
+
+config CPU_HAS_LSX
+       bool "Support for the Loongson SIMD Extension"
+       depends on AS_HAS_LSX_EXTENSION
+       help
+         Loongson SIMD Extension (LSX) introduces 128 bit wide vector registers
+         and a set of SIMD instructions to operate on them. When this option
+         is enabled the kernel will support allocating & switching LSX
+         vector register contexts. If you know that your kernel will only be
+         running on CPUs which do not support LSX or that your userland will
+         not be making use of it then you may wish to say N here to reduce
+         the size & complexity of your kernel.
+
+         If unsure, say Y.
+
+config CPU_HAS_LASX
+       bool "Support for the Loongson Advanced SIMD Extension"
+       depends on CPU_HAS_LSX
+       depends on AS_HAS_LASX_EXTENSION
+       help
+         Loongson Advanced SIMD Extension (LASX) introduces 256 bit wide vector
+         registers and a set of SIMD instructions to operate on them. When this
+         option is enabled the kernel will support allocating & switching LASX
+         vector register contexts. If you know that your kernel will only be
+         running on CPUs which do not support LASX or that your userland will
+         not be making use of it then you may wish to say N here to reduce
+         the size & complexity of your kernel.
+
+         If unsure, say Y.
+
+config CPU_HAS_PREFETCH
+       bool
+       default y
+
 config KEXEC
        bool "Kexec system call"
        select KEXEC_CORE
@@ -592,6 +645,9 @@ config ARCH_MMAP_RND_BITS_MIN
 config ARCH_MMAP_RND_BITS_MAX
        default 18
 
+config ARCH_SUPPORTS_UPROBES
+       def_bool y
+
 menu "Power management options"
 
 config ARCH_SUSPEND_POSSIBLE