__add 207 arch/x86/include/asm/cmpxchg.h #define add_smp(ptr, inc) __add((ptr), (inc), LOCK_PREFIX) __add 208 arch/x86/include/asm/cmpxchg.h #define add_sync(ptr, inc) __add((ptr), (inc), "lock; ") __add 160 arch/x86/include/asm/spinlock.h __add(&lock->tickets.head, TICKET_LOCK_INC, UNLOCK_LOCK_PREFIX);