From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Kicinski Subject: Re: [PATCH 4/5] virtio_net: add dedicated XDP transmit queues Date: Fri, 18 Nov 2016 19:23:17 -0800 Message-ID: <20161118192317.6c283867@laptop> References: <20161118185517.16137.92123.stgit@john-Precision-Tower-5810> <20161118190041.16137.48399.stgit@john-Precision-Tower-5810> <20161118130953.7bf2d71d@laptop> <20161118181004.4c15a6a1@laptop> <582FBC6B.8000902@gmail.com> <20161118185728.67e2b53a@laptop> <1479525658.8455.313.camel@edumazet-glaptop3.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: John Fastabend , tgraf@suug.ch, shm@cumulusnetworks.com, alexei.starovoitov@gmail.com, daniel@iogearbox.net, davem@davemloft.net, john.r.fastabend@intel.com, netdev@vger.kernel.org, bblanco@plumgrid.com, brouer@redhat.com To: Eric Dumazet Return-path: Received: from mx3.wp.pl ([212.77.101.9]:27601 "EHLO mx3.wp.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752176AbcKSDXl (ORCPT ); Fri, 18 Nov 2016 22:23:41 -0500 In-Reply-To: <1479525658.8455.313.camel@edumazet-glaptop3.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 18 Nov 2016 19:20:58 -0800, Eric Dumazet wrote: > On Fri, 2016-11-18 at 18:57 -0800, Jakub Kicinski wrote: > > On Fri, 18 Nov 2016 18:43:55 -0800, John Fastabend wrote: > > > On 16-11-18 06:10 PM, Jakub Kicinski wrote: > [...] > > > > > > Seem like a valid concerns to me how about num_possible_cpus() instead. > > > > That would solve problem 1, but could cpu_possible_mask still be sparse > > on strange setups? Let me try to dig into this, I recall someone > > (Eric?) was fixing similar problems some time ago. > > nr_cpu_ids is probably what you want ;) Thank you :)