sysenter_setup     63 arch/x86/entry/vdso/vdso32-setup.c subsys_initcall(sysenter_setup);
sysenter_setup    733 arch/x86/include/asm/processor.h extern int sysenter_setup(void);
sysenter_setup   1621 arch/x86/kernel/cpu/common.c 	sysenter_setup();