extern struct timespec xtime;
extern struct timespec wall_to_monotonic;
-extern seqlock_t xtime_lock __attribute__((weak));
+extern seqlock_t xtime_lock;
extern unsigned long read_persistent_clock(void);
extern int update_persistent_clock(struct timespec now);
extern void monotonic_to_bootbased(struct timespec *ts);
extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
-extern int timekeeping_is_continuous(void);
+extern int timekeeping_valid_for_hres(void);
extern void update_wall_time(void);
+extern void update_xtime_cache(u64 nsec);
/**
* timespec_to_ns - Convert timespec to nanoseconds
{
ns += a->tv_nsec;
while(unlikely(ns >= NSEC_PER_SEC)) {
+ /* The following asm() prevents the compiler from
+ * optimising this loop into a modulo operation. */
+ asm("" : "+r"(ns));
+
ns -= NSEC_PER_SEC;
a->tv_sec++;
}