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CONFIG_X86_USERSPACE
¶
(No prompt – not directly user assignable.)
Type: bool
Help¶
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.
Help¶
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.
Direct dependencies¶
(!X86_64
&& X86
) || (X86_64
&& X86
)
(Includes any dependencies from ifs and menus.)
Symbols selected by this symbol¶
Kconfig definitions¶
At <Zephyr>/arch/x86/core/Kconfig.ia32:67
Included via <Zephyr>/Kconfig:8
→ <Zephyr>/Kconfig.zephyr:29
→ <Zephyr>/arch/Kconfig:12
→ <Zephyr>/arch/x86/Kconfig:326
Menu path: (Top) → X86 Architecture Options → Processor Capabilities
config X86_USERSPACE bool default y ifUSERSPACE
selectTHREAD_STACK_INFO
selectSET_GDT
selectGDT_DYNAMIC
selectX86_ENABLE_TSS
depends on !X86_64
&&X86
help 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.
At <Zephyr>/arch/x86/core/Kconfig.intel64:81
Included via <Zephyr>/Kconfig:8
→ <Zephyr>/Kconfig.zephyr:29
→ <Zephyr>/arch/Kconfig:12
→ <Zephyr>/arch/x86/Kconfig:327
Menu path: (Top) → X86 Architecture Options
config X86_USERSPACE bool default y ifUSERSPACE
selectTHREAD_STACK_INFO
depends onX86_64
&&X86
help 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.
(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)