From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH 2/9] IB: add a proper completion queue abstraction Date: Sun, 22 Nov 2015 14:23:52 +0100 Message-ID: <20151122132352.GA14154@lst.de> References: <1447422410-20891-1-git-send-email-hch@lst.de> <1447422410-20891-3-git-send-email-hch@lst.de> <564B697A.2020601@sandisk.com> <564C2F01.6020407@dev.mellanox.co.il> <564CC15E.7030602@sandisk.com> <20151120101644.GC24298@lst.de> <564F4F38.9040505@sandisk.com> <56519011.6060204@dev.mellanox.co.il> <20151122101308.GA12189@lst.de> <56519A90.5010502@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <56519A90.5010502-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sagi Grimberg Cc: Christoph Hellwig , Bart Van Assche , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "axboe-b10kYP2dOMg@public.gmane.org" , "linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org On Sun, Nov 22, 2015 at 12:36:00PM +0200, Sagi Grimberg wrote: > >> Wouldn't it be a better idea to set the WQ_SYSFS interface and use >> the standard sysfs interface for specifying cpumasks or node affinity? > > I think that bart wants to allow the caller to select cpu affinity > per CQ. In this case ib_alloc_cq in workqueue mode would need to > accept a affinity_hint from the caller (default to wild-card > WORK_CPU_UNBOUND). Hmm, true. How would be set that hint from userspace? I'd really prefer to see a practical justification for it first. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html