Messages in this thread | | | Date | Wed, 15 Aug 2012 15:12:23 -0700 (PDT) | Subject | Re: [patch net-next v2 01/15] net: introduce upper device lists | From | David Miller <> |
| |
From: Ben Hutchings <bhutchings@solarflare.com> Date: Tue, 14 Aug 2012 23:33:44 +0100
> I think we will also need to limit the depth of the device stack so we > don't run out of stack space here. __netif_receive() implements a kind > of tail recursion whenever a packet is passed up, but > __netdev_has_upper_dev() can't avoid doing real recursion (without the > addition of a flag to net_device so it can mark its progress).
Agreed, we need some kind of limit here.
| |