When CONFIG_MIPS_FP_SUPPORT=n we don't support floating point, so there's no point in detecting presence of an FPU. Hardcode cpu_has_fpu=0 such that we optimize out code that makes use of the FPU. Signed-off-by: Paul Burton <paul.burton@xxxxxxxx> --- arch/mips/include/asm/cpu-features.h | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 0edba3e75747..da68acad3a8f 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -115,10 +115,15 @@ #endif /* Don't override `cpu_has_fpu' to 1 or the "nofpu" option won't work. */ #ifndef cpu_has_fpu -#define cpu_has_fpu (current_cpu_data.options & MIPS_CPU_FPU) -#define raw_cpu_has_fpu (raw_current_cpu_data.options & MIPS_CPU_FPU) +# ifdef CONFIG_MIPS_FP_SUPPORT +# define cpu_has_fpu (current_cpu_data.options & MIPS_CPU_FPU) +# define raw_cpu_has_fpu (raw_current_cpu_data.options & MIPS_CPU_FPU) +# else +# define cpu_has_fpu 0 +# define raw_cpu_has_fpu 0 +# endif #else -#define raw_cpu_has_fpu cpu_has_fpu +# define raw_cpu_has_fpu cpu_has_fpu #endif #ifndef cpu_has_32fpr #define cpu_has_32fpr __isa_ge_or_opt(1, MIPS_CPU_32FPR) -- 2.19.1
