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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:

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:

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:

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:

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

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