#ifndef __ASM_GENERIC_TIMEX_H#define __ASM_GENERIC_TIMEX_H /* * If you have a cycle counter, return the value here. */typedef unsigned long cycles_t;#ifndef get_cyclesstatic inline cycles_t get_cycles(void){	return 0;}#endif /* * Architectures are encouraged to implement read_current_timer * and define this in order to avoid the expensive delay loop * calibration during boot. */#undef ARCH_HAS_READ_CURRENT_TIMER #endif /* __ASM_GENERIC_TIMEX_H */