Messages in this thread | | | Date | Tue, 27 Feb 2018 15:09:58 -0700 | From | Jason Gunthorpe <> | Subject | Re: [PATCH] RDMA/core: reduce IB_POLL_BATCH constant |
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On Thu, Feb 22, 2018 at 05:39:09PM +0200, Sagi Grimberg wrote: > > >>The only reason why I added this array on-stack was to allow consumers > >>that did not use ib_alloc_cq api to call it, but that seems like a > >>wrong decision when thinking it over again (as probably these users > >>did not set the wr_cqe correctly). > >> > >>How about we make ib_process_cq_direct use the cq wc array and add > >>a WARN_ON statement (and fail it gracefully) if the caller used this > >>API without calling ib_alloc_cq? > > > >but we tried to avoid cuncurrent access to cq->wc. > > Not sure its a valid use-case. But if there is a compelling > reason to keep it as is, then we can do smaller on-stack > array.
Did we come to a conclusion what to do here?
Jason
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