Merge branch 'tg3-net'

Prashant Sreedharan says:

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tg3: synchronize_irq() should be called without taking locks

v2: Added Reported-by, Tested-by fields and reference to the thread that
    reported the problem

This series addresses the problem reported by Peter Hurley in mail thread
https://lkml.org/lkml/2015/1/12/1082


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Signed-off-by: David S. Miller <davem@davemloft.net>