CONFIG_ACCESS_CHECK: Check the user pointer address

General informations

The Linux kernel configuration item CONFIG_ACCESS_CHECK has multiple definitions:

Check the user pointer address found in arch/c6x/Kconfig.debug

The configuration item CONFIG_ACCESS_CHECK:

• prompt: Check the user pointer address
• type: bool
• depends on: (none)
• defined in arch/c6x/Kconfig.debug
• found in Linux kernels: 4.19–4.20, 5.0–5.11

Help text

Usually the pointer transfer from user space is checked to see if its address is in the kernel space.

Say N here to disable that check to improve the performance.

Check the user pointer address found in arch/c6x/Kconfig

The configuration item CONFIG_ACCESS_CHECK:

• prompt: Check the user pointer address
• type: bool
• depends on: (none)
• defined in arch/c6x/Kconfig
• found in Linux kernels: 3.3–3.19, 4.0–4.18

Help text

Usually the pointer transfer from user space is checked to see if its address is in the kernel space.

Say N here to disable that check to improve the performance.

Check the user pointer address found in arch/blackfin/Kconfig.debug

The configuration item CONFIG_ACCESS_CHECK:

• prompt: Check the user pointer address
• type: bool
• depends on: (none)
• defined in arch/blackfin/Kconfig.debug
• found in Linux kernels: 2.6.24–2.6.39, 3.0–3.19, 4.0–4.16

Help text

Usually the pointer transfer from user space is checked to see if its address is in the kernel space.

Say N here to disable that check to improve the performance.

Check the user pointer address found in arch/blackfin/Kconfig

The configuration item CONFIG_ACCESS_CHECK:

• prompt: Check the user pointer address
• type: bool
• depends on: (none)
• defined in arch/blackfin/Kconfig
• found in Linux kernels: 2.6.22–2.6.23

Help text

Usually the pointer transfer from user space is checked to see if its address is in the kernel space.

Say N here to disable that check to improve the performance.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

Sources

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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