| Date | Mon, 11 Dec 2023 08:11:24 -0800 | From | Christoph Hellwig <> | Subject | Re: [RFC PATCH 09/12] riscv: Add support for kernel-mode FPU |
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> +#ifdef __riscv_f > + > +#define kernel_fpu_begin() \ > + static_assert(false, "floating-point code must use a separate translation unit") > +#define kernel_fpu_end() kernel_fpu_begin() > + > +#else > + > +void kernel_fpu_begin(void); > +void kernel_fpu_end(void); > + > +#endif
I'll assume this is related to trick that places code in a separate translation unit, but I fail to understand it. Can you add a comment explaining it?
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