Re: [PATCH 20/31]: pkt_sched: Perform bulk of qdisc destruction in RCU.

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To: <herbert@...>
Cc: <hadi@...>, <kaber@...>, <netdev@...>, <johannes@...>, <linux-wireless@...>
Date: Monday, July 21, 2008 - 12:25 pm

From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Tue, 22 Jul 2008 00:16:16 +0800


Where are these places they are going to "jump all over"? :-)

You can view the RX and TX queues as roughly independent namespaces.

If the TX hash is good enough (current one certainly isn't and I will
work on fixing that), it is likely to spread the accesses enough that
there won't be many collisions to matter.

If you really think about it, this is even pointless.  Packets that
hit RX queue A will always hit TX queue B, and so on and so forth.
Therefore there will be no new level of separation afforded by using
some kind of strict RX to TX mapping.

We could provide the option, but it is so dangerous and I also see no
real tangible benfit from it.
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Re: [PATCH 20/31]: pkt_sched: Perform bulk of qdisc destruct..., David Miller, (Mon Jul 21, 12:25 pm)