Maciej W. Rozycki <macro@xxxxxxxxxxx> 于2022年4月28日周四 17:00写道: > > On Thu, 28 Apr 2022, Stephen Zhang wrote: > Thanks. > > The bug is in arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h, > which has: > > #define cpu_has_fpu 1 > > (and similarly arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h). > This is not supported, as noted in arch/mips/include/asm/cpu-features.h: > > /* Don't override `cpu_has_fpu' to 1 or the "nofpu" option won't work. */ > > Perhaps we should explicitly undefine `cpu_has_fpu' if set to 1? > > Maciej Thanks for your detailed explanation and suggestion. I will make a v2 patch.