CONFIG_FPU: FPU support

General informations

The Linux kernel configuration item CONFIG_FPU has multiple definitions:

FPU support found in arch/riscv/Kconfig

The configuration item CONFIG_FPU:

• prompt: FPU support
• type: bool
• depends on: (none)
• defined in arch/riscv/Kconfig
• found in Linux kernels: 4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Say N here if you want to disable all floating-point related procedure in the kernel.

If you don't know what to do here, say Y.

found in arch/nios2/Kconfig

The configuration item CONFIG_FPU:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/nios2/Kconfig
• found in Linux kernels: 3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

(none)

found in arch/m68k/Kconfig.cpu

The configuration item CONFIG_FPU:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/m68k/Kconfig.cpu
• found in Linux kernels: 3.2–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

(none)

FPU support found in arch/nds32/Kconfig.cpu

The configuration item CONFIG_FPU:

• prompt: FPU support
• type: bool
• depends on: (none)
• defined in arch/nds32/Kconfig.cpu
• found in Linux kernels: 5.0–5.17, 5.17+HEAD

Help text

If FPU ISA is used in user space, this configuration shall be Y to enable required support in kernel such as fpu context switch and fpu exception handler.

If no FPU ISA is used in user space, say N.

found in arch/c6x/Kconfig

The configuration item CONFIG_FPU:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/c6x/Kconfig
• found in Linux kernels: 3.3–3.19, 4.0–4.20, 5.0–5.11

Help text

(none)

FPU present found in arch/mn10300/Kconfig

The configuration item CONFIG_FPU:

• prompt: FPU present
• type: bool
• depends on: CONFIG_MN10300_PROC_MN103E010 || CONFIG_MN10300_PROC_MN2WS0050
• defined in arch/mn10300/Kconfig
• found in Linux kernels: 2.6.25–2.6.39, 3.0–3.19, 4.0–4.16

Help text

(none)

found in arch/blackfin/Kconfig

The configuration item CONFIG_FPU:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/blackfin/Kconfig
• found in Linux kernels: 2.6.22–2.6.39, 3.0–3.19, 4.0–4.16

Help text

(none)

found in arch/h8300/Kconfig

The configuration item CONFIG_FPU:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/h8300/Kconfig
• found in Linux kernels: 2.5.68–2.5.75, 2.6.0–2.6.39, 3.0–3.12

Help text

(none)

found in arch/m68k/Kconfig

The configuration item CONFIG_FPU:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/m68k/Kconfig
• found in Linux kernels: 3.4–3.5

Help text

(none)

found in arch/m68k/Kconfig.nommu

The configuration item CONFIG_FPU:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/m68k/Kconfig.nommu
• found in Linux kernels: 2.6.39, 3.0–3.1

Help text

(none)

found in arch/m68knommu/Kconfig

The configuration item CONFIG_FPU:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/m68knommu/Kconfig
• found in Linux kernels: 2.5.46–2.5.75, 2.6.0–2.6.38

Help text

(none)

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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