MSA requires that Status.FR == 1, so for MIPS32 tasks MSA can only be used if CONFIG_MIPS_O32_FP64_SUPPORT is enabled. If it is not & the kernel is 32bit, there's no point including support for MSA. Signed-off-by: Paul Burton <paul.burton@xxxxxxxxxx> --- arch/mips/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 4e238e6..857a49c 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2112,6 +2112,7 @@ config CPU_MICROMIPS config CPU_HAS_MSA bool "Support for the MIPS SIMD Architecture" depends on CPU_SUPPORTS_MSA + depends on 64BIT || MIPS_O32_FP64_SUPPORT default y help MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers -- 2.0.1