CPUVAR
#define CPUVAR(off) %gs:CPU_INFO_ ## off
#define CPUVAR(off) %gs:CPU_INFO_/**/off
#define CPUVAR(off) %fs:__CONCAT(CPU_INFO_,off)
#define CPUVAR(off) _C_LABEL(cpu_info_store)+__CONCAT(CPU_INFO_,off)
#define CPUVAR(off) _C_LABEL(cpu_info_store)+__CONCAT(CPU_INFO_,off)