[openib-general] [PATCH 1/2] [RFC] Implement resize of CQ

Michael S. Tsirkin mst at mellanox.co.il
Thu Nov 4 02:41:20 PST 2004


If the max. number of QPs is very big, you may want
the actual CQ size to grow gradually with demand.


Quoting r. Roland Dreier (roland at topspin.com) "Re: [openib-general] [PATCH 1/2] [RFC] Implement resize of CQ":
> Not sure what the goal is here, but I should point out that current
> mthca code does not implement resizing either CQs or QPs.
> 
> However I'm not sure I understand why the MAD layer wants to resize
> these objects -- given that the number of QPs is known in advance and
> that the MAD layer can choose how many work requests to post per QP,
> I'm not sure what is gained by trying to resize things dynamically.
> 
>  - Roland
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