Re: [MAINLINE 0/2] Enable DIM for legacy ULPs and use it in RDS

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Hi Christoph,

> On 19 Sep 2024, at 16:17, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
> 
> On Wed, Sep 18, 2024 at 10:35:50AM +0200, Håkon Bugge wrote:
>> The Dynamic Interrupt Moderation mechanism can only be used by ULPs
>> using ib_alloc_cq() and family. We extend DIM to also cover legacy
>> ULPs using ib_create_cq(). The last commit takes advantage of this end
>> uses DIM in RDS.
> 
> I would much prefer if you could move RDS off that horrible API finally
> instead of investing more effort into it and making it more complicated.

ib_alloc_cq() and family does not support arming the CQ with the IB_CQ_SOLICITED flag, which RDS uses.


Thxs, Håkon






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