Suzanne Wood <[email protected]> wrote:
>
> (3) bpq_free_device() calls list_del_rcu() which, according
> to list.h, requires synchronize_rcu() which can block or
> call_rcu() or call_rcu_bh() which cannot block.
> None of these is called anywhere in the directory drivers/net,
> so synchronize_irq() may address this.
> (synchronize_sched() is called in drivers/net/sis190.c and
> r8169.c with FIXME comment about synchronize_irq().)
The synchronisation is carried out by unregister_netdevice.
Cheers,
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