GDT_ENTRY_KERNEL_CS 52 arch/x86/kernel/cpu/common.c [GDT_ENTRY_KERNEL_CS] = { { { 0x0000ffff, 0x00af9b00 } } }, GDT_ENTRY_KERNEL_CS 60 arch/x86/kernel/cpu/common.c [GDT_ENTRY_KERNEL_CS] = { { { 0x0000ffff, 0x00cf9a00 } } }, GDT_ENTRY_KERNEL_CS 178 include/asm-x86/segment.h #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS * 8)