On Sat, Oct 2, 2010 at 12:07, Rui Paulo <rpa...@freebsd.org> wrote:
> On 2 Oct 2010, at 16:29, Robert Watson wrote:
>> On Thu, 30 Sep 2010, Julian Elischer wrote:
>>> On 9/30/10 10:49 AM, Ryan Stone wrote:
>>>> It's not a big thing but it would be nice to replace the m_next and 
>>>> m_nextpkt fields with queue.h macros.
>>> funny, I've never even thought of that..
>>
>> I have, and it's a massive change touching code all over the kernel in vast 
>> quantities.  While in principle it's a good idea (consistently avoid 
>> hand-crafted linked lists), it's something I'd discourage on the basis that 
>> it probably won't significant reduce the kernel bug count, but will make it 
>> even harder for vendors with large local changes to the network stack to 
>> keep up.
>
> I think it could also increase the kernel bug count. Unfortunately, we can't 
> do this incrementally.

Can't we?  What about a union, so that we can gradually convert things
but keep ABI and API compatibility?  I mean, as long as we use the
right queue.h type, anyway, it should be consistent?  STAILQ,
presumably.
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