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SubjectRe: [PATCH 1/2] MIPS: IP27: Remove incorrect `cpu_has_fpu' override
Maciej W. Rozycki <macro@orcam.me.uk> 于2022年4月29日周五 22:57写道:
>
> Remove unsupported forcing of `cpu_has_fpu' to 1, which makes the `nofpu'
> kernel parameter non-functional, and also causes a link error:
>
> ld: arch/mips/kernel/traps.o: in function `trap_init':
> ./arch/mips/include/asm/msa.h:(.init.text+0x348): undefined reference to `handle_fpe'
> ld: ./arch/mips/include/asm/msa.h:(.init.text+0x354): undefined reference to `handle_fpe'
> ld: ./arch/mips/include/asm/msa.h:(.init.text+0x360): undefined reference to `handle_fpe'
>
> where the CONFIG_MIPS_FP_SUPPORT configuration option has been chosen.
>

Sorry, but I have a question. From the code in
arch/mips/kernel/genex.S:567, 'handle_fpe’‘s
definition is controlled by CONFIG_MIPS_FP_SUPPORT. Then how can it
still report such
error when the CONFIG_MIPS_FP_SUPPORT configuration option has been chosen.


Stephen.

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