Re: [PATCH 2/7] 8139cp: Do not re-enable RX interrupts in cp_tx_timeout()

2015-09-22 Thread David Miller
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

[PATCH 2/7] 8139cp: Do not re-enable RX interrupts in cp_tx_timeout()

2015-09-21 Thread David Woodhouse
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