> Actually, spinlock_t is not suitable. Because spin_unlcok() does NOT imply > mb(). The subsequent wait_event_timeout()->atomic_read() may leak into the > critical section. > > We can use set_mb(), if we don't want to play with smp_mb() by hand :)
spin_unlock implies a smp_wmb() but yeah, not a full mb(), though having a read leak into a critical section is generally not an issue. Ben. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
