25 extern int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz);
49 notrace static long vdso_fallback_gtod(struct timeval *tv, struct timezone *tz)  in vdso_fallback_gtod()  argument
53 	asm ("syscall" : "=a" (ret), "=m" (*tv), "=m" (*tz) :  in vdso_fallback_gtod()
54 	     "0" (__NR_gettimeofday), "D" (tv), "S" (tz) :  in vdso_fallback_gtod()
148 notrace static long vdso_fallback_gtod(struct timeval *tv, struct timezone *tz)  in vdso_fallback_gtod()  argument
157 		: "=a" (ret), "=m" (*tv), "=m" (*tz)  in vdso_fallback_gtod()
158 		: "0" (__NR_gettimeofday), [tv] "g" (tv), "c" (tz)  in vdso_fallback_gtod()
302 notrace int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz)  in __vdso_gettimeofday()  argument
304 	if (likely(tv != NULL)) {  in __vdso_gettimeofday()
305 		if (unlikely(do_realtime((struct timespec *)tv) == VCLOCK_NONE))  in __vdso_gettimeofday()
306 			return vdso_fallback_gtod(tv, tz);  in __vdso_gettimeofday()
307 		tv->tv_usec /= 1000;  in __vdso_gettimeofday()