From: David Woodhouse
Date: Mon, 21 Sep 2015 15:02:07 +0100
> From: David Woodhouse
>
> If an RX interrupt was already received but NAPI has not yet run when
> the RX timeout happens, we end up in cp_tx_timeout() with RX interrupts
> already
From: David Woodhouse
If an RX interrupt was already received but NAPI has not yet run when
the RX timeout happens, we end up in cp_tx_timeout() with RX interrupts
already disabled. Blindly re-enabling them will cause an IRQ storm.
This is somewhat less painful than