Symbol: xchg_acquire
drivers/xen/events/events_base.c
1687
if (xchg_acquire(&info->is_active, 1))
kernel/locking/rtmutex.c
115
xchg_acquire(&lock->owner, rt_mutex_owner_encode(lock, owner));
kernel/locking/rtmutex.c
211
xchg_acquire(p, owner & ~RT_MUTEX_HAS_WAITERS);