Re: [PATCH rfc 3/3] nvmet-rdma: assign cq completion vector based on the port allowed cpus

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> On Jul 13, 2017, at 1:24 PM, Christoph Hellwig <hch@xxxxxx> wrote:
> 
> On Thu, Jul 13, 2017 at 01:19:00PM -0400, Chuck Lever wrote:
>> 
>>> On Jul 13, 2017, at 11:50 AM, Christoph Hellwig <hch@xxxxxx> wrote:
>>> 
>>> We really shouldn't be doing any of this in NVMe I think.  We'll need
>>> to go back to the cq pool API first.  The last version I had was here:
>>> 
>>> 	http://git.infradead.org/users/hch/rdma.git/shortlog/refs/heads/rdma-cq
>>> 
>>> and then do the affinity in common code.
>> 
>> This seems to address the problem I mentioned to you with properly
>> estimating send CQ size when using the rdma_rw API. If these are
>> going to be merged soon, I can drop the new API I proposed here:
>> 
>> http://git.linux-nfs.org/?p=cel/cel-2.6.git;a=commit;h=2156cb956101da854f64918066710ff4e7affc5b
> 
> I'd need to find time to get back to it, and I have a few big
> chunks on my todo list.  Any chance you (or someone else interested)
> could take the series over?

Seems like it's right in Sagi's ballpark, and might be a pre-req
for his affinity work. If he's not interested, I can take it.


--
Chuck Lever



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