[Bridge] [PATCH 1/3] net: introduce a list of device addresses dev_addr_list

Patrick McHardy kaber at trash.net
Wed Apr 15 03:47:43 PDT 2009

David Miller wrote:
> From: Patrick McHardy <kaber at trash.net>
> Date: Wed, 15 Apr 2009 12:41:01 +0200
>> Herbert (I think) suggested to make address list updates in softirq
>> context a two-step process, where addresses would first be added to
>> a temporary list and the final change would be done in process context
>> while holding the RTNL.
>> Given the complicated mess we currently have, this would be a very
>> worthwhile change IMO.
> This would break the IPV6 TAHI tests if you think we could use
> such an idea for that.
> When IPV6 packets arrive that influence multicast and unicast
> address lists, the effect must be essentially immediate.  Such
> that a subsequent packet will cause the kernel the behave
> with the necessary side effects, no matter how quickly that
> next packet arrives.

I see, thanks for the explanation.

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