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CONFIG_FPU_SHARING¶

FPU register sharing

Type: bool

Help¶

This option enables preservation of the hardware floating point registers across context switches to allow multiple threads to perform concurrent floating point operations.

Direct dependencies¶

FPU

(Includes any dependencies from ifs and menus.)

Defaults¶

No defaults. Implicitly defaults to n.

Kconfig definition¶

At arch/Kconfig:547

Included via Kconfig:8 → Kconfig.zephyr:29

Menu path: (Top) → Floating Point Options → Enable floating point unit (FPU)

config FPU_SHARING
    bool "FPU register sharing"
    depends on FPU
    help
      This option enables preservation of the hardware floating point registers
      across context switches to allow multiple threads to perform concurrent
      floating point operations.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)