> I haven't done anything about this because IMHO it makes more
> sense to have the QDIO driver drop their special spinlock when
> calling external functions such as dev_kfree_skb_any() rather
> than to force the RPC layer to use the spin_lock_irqsave().
I forgot to add: The socket fasync lists use spinlocking in the same
was as RPC does, with sock_fasync() setting
write_lock_bh(&sk->callback_lock), and sock_def_write_space()
So that would deadlock with the QDIO driver in the exact same manner
as the RPC stuff (albeit probably a lot less frequently).
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