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CONFIG_M68KFPU_EMU_ONLY: Math emulation only kernel

General informations

The Linux kernel configuration item CONFIG_M68KFPU_EMU_ONLY has multiple definitions:

Math emulation only kernel found in arch/m68k/Kconfig.cpu

The configuration item CONFIG_M68KFPU_EMU_ONLY:

Help text

This option prevents any floating-point instructions from being compiled into the kernel, thereby the kernel doesn't save any floating point context anymore during task switches, so this kernel will only be usable on machines without a floating-point math coprocessor. This makes the kernel a bit faster as no tests needs to be executed whether a floating-point instruction in the kernel should be executed or not.

Math emulation only kernel found in arch/m68k/Kconfig.mmu

The configuration item CONFIG_M68KFPU_EMU_ONLY:

Help text

This option prevents any floating-point instructions from being compiled into the kernel, thereby the kernel doesn't save any floating point context anymore during task switches, so this kernel will only be usable on machines without a floating-point math coprocessor. This makes the kernel a bit faster as no tests needs to be executed whether a floating-point instruction in the kernel should be executed or not.

Math emulation only kernel found in arch/m68k/Kconfig

The configuration item CONFIG_M68KFPU_EMU_ONLY:

Help text

This option prevents any floating-point instructions from being compiled into the kernel, thereby the kernel doesn't save any floating point context anymore during task switches, so this kernel will only be usable on machines without a floating-point math coprocessor. This makes the kernel a bit faster as no tests needs to be executed whether a floating-point instruction in the kernel should be executed or not.

Hardware

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