Re: [PATCH 1/2] net: calxedaxgmac: fix rx ring handling when OOM

2013-03-29 Thread David Miller
From: Rob Herring Date: Thu, 28 Mar 2013 16:32:44 -0500 > From: Rob Herring > > If skb allocation for the rx ring fails repeatedly, we can reach a point > were the ring is empty. In this condition, the driver is out of sync with > the h/w. While this has always been possible, the removal of

Re: [PATCH 1/2] net: calxedaxgmac: fix rx ring handling when OOM

2013-03-29 Thread David Miller
From: Rob Herring robherri...@gmail.com Date: Thu, 28 Mar 2013 16:32:44 -0500 From: Rob Herring rob.herr...@calxeda.com If skb allocation for the rx ring fails repeatedly, we can reach a point were the ring is empty. In this condition, the driver is out of sync with the h/w. While this has

[PATCH 1/2] net: calxedaxgmac: fix rx ring handling when OOM

2013-03-28 Thread Rob Herring
From: Rob Herring If skb allocation for the rx ring fails repeatedly, we can reach a point were the ring is empty. In this condition, the driver is out of sync with the h/w. While this has always been possible, the removal of the skb recycling seems to have made triggering this problem easier.

[PATCH 1/2] net: calxedaxgmac: fix rx ring handling when OOM

2013-03-28 Thread Rob Herring
From: Rob Herring rob.herr...@calxeda.com If skb allocation for the rx ring fails repeatedly, we can reach a point were the ring is empty. In this condition, the driver is out of sync with the h/w. While this has always been possible, the removal of the skb recycling seems to have made triggering