u8 flags;
do {
- version = src->version;
- /* Make the latest version visible */
- smp_rmb();
-
+ version = pvclock_read_begin(src);
flags = src->flags;
- /* Make sure that the version double-check is last. */
- smp_rmb();
- } while ((src->version & 1) || version != src->version);
+ } while (pvclock_read_retry(src, version));
return flags & valid_flags;
}
u8 flags;
do {
- version = __pvclock_read_cycles(src, &ret, &flags);
- /* Make sure that the version double-check is last. */
- smp_rmb();
- } while ((src->version & 1) || version != src->version);
+ version = pvclock_read_begin(src);
+ ret = __pvclock_read_cycles(src);
+ flags = src->flags;
+ } while (pvclock_read_retry(src, version));
if (unlikely((flags & PVCLOCK_GUEST_STOPPED) != 0)) {
src->flags &= ~PVCLOCK_GUEST_STOPPED;