CONFIG_DIRECT_IO_ACCESS: Allow user to access IO directly

General informations

The Linux kernel configuration item CONFIG_DIRECT_IO_ACCESS has multiple definitions:

Allow user to access IO directly found in arch/m68k/Kconfig.machine

The configuration item CONFIG_DIRECT_IO_ACCESS:

• prompt: Allow user to access IO directly
• type: bool
• depends on: ( CONFIG_UCSIMM || CONFIG_UCDIMM || CONFIG_DRAGEN2 )
• defined in arch/m68k/Kconfig.machine
• found in Linux kernels: 3.2–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Disable the CPU internal registers protection in user mode, to allow a user application to read/write them.

Allow user to access IO directly found in arch/m68k/Kconfig.nommu

The configuration item CONFIG_DIRECT_IO_ACCESS:

• prompt: Allow user to access IO directly
• type: bool
• depends on: ( CONFIG_UCSIMM || CONFIG_UCDIMM || CONFIG_DRAGEN2 )
• defined in arch/m68k/Kconfig.nommu
• found in Linux kernels: 2.6.39, 3.0–3.1

Help text

Disable the CPU internal registers protection in user mode, to allow a user application to read/write them.

Allow user to access IO directly found in arch/m68knommu/Kconfig

The configuration item CONFIG_DIRECT_IO_ACCESS:

• prompt: Allow user to access IO directly
• type: bool
• depends on: ( CONFIG_UCSIMM || CONFIG_UCDIMM || CONFIG_DRAGEN2 )
• defined in arch/m68knommu/Kconfig
• found in Linux kernels: 2.6.20–2.6.38

Help text

Disable the CPU internal registers protection in user mode, to allow a user application to read/write them.

Allow user to access IO directly found in arch/m68knommu/Kconfig

The configuration item CONFIG_DIRECT_IO_ACCESS:

• prompt: Allow user to access IO directly
• type: bool
• depends on: ( CONFIG_UCSIMM || CONFIG_UCDIMM || CONFIG_DRAGEN2 )
• defined in arch/m68knommu/Kconfig
• found in Linux kernels: 2.5.75, 2.6.0–2.6.19

Help text

Disable the CPU internal registers protection in user mode, to allow a user application to read/write them.

Hardware

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This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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