From: jgg@ziepe.ca (Jason Gunthorpe) Date: Mon, 20 Nov 2017 12:24:02 -0700 Subject: [PATCH v3 0/9] Introduce per-device completion queue pools In-Reply-To: References: <20171108095742.25365-1-sagi@grimberg.me> <1510245771.2608.6.camel@wdc.com> <1510248716.2608.17.camel@wdc.com> <6af627c8-2814-d562-21a2-f10788e44458@grimberg.me> <20171113203444.GJ22610@ziepe.ca> <75a7cfe3-58e0-b416-0b5b-beba1e8207fd@grimberg.me> <20171114024822.GN22610@ziepe.ca> Message-ID: <20171120192402.GK29075@ziepe.ca> On Mon, Nov 20, 2017@02:10:13PM +0200, Sagi Grimberg wrote: > > >>>It is too bad we can't re-size CQs.. Can we? > >> > >>I wish we could, but its an optional feature so I can't see how we can > >>use it. > > > >Well, it looks like mlx4/5 can do it, which covers a huge swath of > >deployed hardware.. > > > >I'd say make an optimal implementation using resize_cq and just a working > >implementation without it? > > I can experiment with it, sure. Do you think that its a must have for > first phase though? Not clear to me.. Bart? Jason