On Tuesday 09 February 2010, Ed Swierk wrote:

I fixed this problem with the change below.  I'm not sure if replacing
smp_processor_id() with get_cpu() is the right thing to do but it works
for macvtap at least.

I think we also need to ensure the device doesn't go away, which
was one of the reasons for the rcu_read_lock_bh() earlier.

	Arnd