Defined in 2 files as a config:

• arch/Kconfig, line 16 (as a config)
• arch/x86/Kconfig, line 2495 (as a config)

Referenced in 3 files:

• arch/x86/Kconfig
  • line 2263
  • line 2509
• include/linux/cpu.h, line 192
• kernel/cpu.c, line 3177