Re: semaphore: lockless fastpath using atomic_{inc,dec}_return

[Christoph Lameter]

And is this safe? It seems that we can always be rescheduled after the atomic operation and
interrupts can occur too. You need to tell us why this is safe in all cases.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/