CONFIG_X86_USERSPACE

This option enables APIs to drop a thread’s privileges down to ring 3, supporting user-level threads that are protected from each other and from crashing the kernel.

Symbol:

X86_USERSPACE

Type:

bool

Value:

“n”

User value:

(no user value)

Visibility:

“n”

Is choice item:

false

Is defined:

true

Is from env.:

false

Is special:

false

Prompts:

(no prompts)

Default values:

• y (value: “y”)
• Condition: USERSPACE (value: “n”)

Selects:

• CONFIG_THREAD_STACK_INFO
• CONFIG_SET_GDT
• CONFIG_GDT_DYNAMIC
• CONFIG_X86_ENABLE_TSS

Reverse (select-related) dependencies:  

(no reverse dependencies)

Additional dependencies from enclosing menus and ifs:  

X86 (value: “y”)

Locations:

• ../arch/x86/Kconfig:108