From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH net-next] neigh: speedup neigh_resolve_output()
Date: Mon, 11 Oct 2010 13:01:28 -0700 (PDT) [thread overview]
Message-ID: <20101011.130128.245392712.davem@davemloft.net> (raw)
In-Reply-To: <1286826361.3218.14.camel@edumazet-laptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 11 Oct 2010 21:46:01 +0200
> Hmm, we would need a neigh->ha pointer to some struct, with rcu
> protection. It adds a dereference in hot path. I believe this seqlock
> (only for pathological cases, where dst are used for few packets) should
> be fine.
Good point.
Ok, assuming it passes build testing I'll push this seqlock
patch to net-next-2.6
Thanks!
next prev parent reply other threads:[~2010-10-11 20:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-07 12:53 [PATCH net-next] neigh: speedup neigh_hh_init() Eric Dumazet
2010-10-07 20:44 ` [PATCH net-next] neigh: speedup neigh_resolve_output() Eric Dumazet
2010-10-11 19:16 ` David Miller
2010-10-11 19:46 ` Eric Dumazet
2010-10-11 20:01 ` David Miller [this message]
2010-10-11 22:02 ` [PATCH net-next] neigh: reorder struct neighbour fields Eric Dumazet
2010-10-11 22:20 ` Eric Dumazet
2010-10-11 23:09 ` David Miller
2010-10-11 16:18 ` [PATCH net-next] neigh: speedup neigh_hh_init() David Miller
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