netdev - Re: [PATCH 0/4] net: define accessors to get/set skb->dst and skb->rtable

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Message-Id: <20090603.033521.215812392.davem@davemloft.net>
Date:	Wed, 03 Jun 2009 03:35:21 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 0/4] net: define accessors to get/set skb->dst and
 skb->rtable

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 02 Jun 2009 17:12:13 +0200

> Here are patches I originally cooked to review all places that could need skb->dst
> 
> I believe they could be applied in net-next-2.6 because we could then
> implement what we discussed in last december, about avoiding
> refcounting on dst_entries in input path (thread about IP_PKTINFO stuff,
> and a patch we had to revert)
> 
> You suggested to use the low order bit of skb->dst to tell if we got a
> refcount or not.
> 
> These four patches implement grounding for this idea (no functional changes yet)
> 
> Next step is adding the low order bit handling (or another bit if it happens
> to be too expensive to check this bit each time we want skb->dst, we
> still have to benchmark this)

It all looks great, applied, thanks Eric!
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