> This patch introduces a locking hierarchy between the lo->tx_lock and
> lo->queue_lock. The existing driver does not have this limitation.
> I would feel a lot better about this patch if you were to recode it
> to avoid this.
?????
One of them is a semaphore, another - a spinlock. Of course there always
had been a hierarchy - you can't call down() under a spinlock, the damn
thing can schedule.
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