On Wed, Aug 14, 2013 at 05:40:28PM +0200, Marko Zec wrote:
> On Wednesday 14 August 2013 14:40:24 Luigi Rizzo wrote:
> > On Wed, Aug 14, 2013 at 04:15:25PM +0400, Alexander V. Chernikov wrote:
...
> FWIW, apparently we already have that infrastrucure in place - if_rele() 
> calls if_free_internal() only when the last reference to the ifnet is 
> dropped, so with little care this should be usable for caching ifp pointers 
> w/o fears for kernel crashes mentioned above.

maybe Alexander was referring to holding references to the rte entries
returned as a result of the lookup. The rte holds a reference to the ifp.

cheers
luigi
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