From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brenden Blanco Subject: Re: [PATCH v7 01/11] bpf: add XDP prog type for early driver filter Date: Mon, 11 Jul 2016 23:26:14 -0700 Message-ID: <20160712062613.GA20499@gmail.com> References: <1468272598-21390-1-git-send-email-bblanco@plumgrid.com> <1468272598-21390-2-git-send-email-bblanco@plumgrid.com> <20160711.230254.53567533766522969.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, jhs@mojatatu.com, saeedm@dev.mellanox.co.il, kafai@fb.com, brouer@redhat.com, as754m@att.com, alexei.starovoitov@gmail.com, gerlitz.or@gmail.com, john.fastabend@gmail.com, hannes@stressinduktion.org, tgraf@suug.ch, tom@herbertland.com, daniel@iogearbox.net To: David Miller Return-path: Received: from mail-pa0-f41.google.com ([209.85.220.41]:33234 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753201AbcGLG0S (ORCPT ); Tue, 12 Jul 2016 02:26:18 -0400 Received: by mail-pa0-f41.google.com with SMTP id ks6so3322836pab.0 for ; Mon, 11 Jul 2016 23:26:18 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20160711.230254.53567533766522969.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, Jul 11, 2016 at 11:02:54PM -0700, David Miller wrote: > From: Brenden Blanco > Date: Mon, 11 Jul 2016 14:29:48 -0700 > > > + WARN_ONCE(1, "\n" > > + "*****************************************************\n" > > + "** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **\n" > > + "** **\n" > > + "** XDP program returned unknown value %-10u **\n" > > + "** **\n" > > + "** XDP programs must return a well-known return **\n" > > + "** value. Invalid return values will result in **\n" > > + "** packet loss. **\n" > > + "** **\n" > > + "** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **\n" > > + "*****************************************************\n", > > This is rediculous. > > The log message should be concise, one line, and not scream things > like "NOTICE". That's what the log level is for, to indicate the > severity of the issue. Makes sense, and I won't try this approach again. The caller of this code continues to be much debated as well.