{"id":818713,"url":"http://patchwork.ozlabs.org/api/covers/818713/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/cover/52270348-67f1-4e7a-cd2f-9d611ae94064@solarflare.com/","project":{"id":7,"url":"http://patchwork.ozlabs.org/api/projects/7/?format=json","name":"Linux network development","link_name":"netdev","list_id":"netdev.vger.kernel.org","list_email":"netdev@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<52270348-67f1-4e7a-cd2f-9d611ae94064@solarflare.com>","list_archive_url":null,"date":"2017-09-26T15:32:15","name":"[v2,net-next,0/2] bpf/verifier: disassembly improvements","submitter":{"id":61177,"url":"http://patchwork.ozlabs.org/api/people/61177/?format=json","name":"Edward Cree","email":"ecree@solarflare.com"},"mbox":"http://patchwork.ozlabs.org/project/netdev/cover/52270348-67f1-4e7a-cd2f-9d611ae94064@solarflare.com/mbox/","series":[{"id":5167,"url":"http://patchwork.ozlabs.org/api/series/5167/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/list/?series=5167","date":"2017-09-26T15:32:15","name":"bpf/verifier: disassembly improvements","version":2,"mbox":"http://patchwork.ozlabs.org/series/5167/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/818713/comments/","headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3y1lM13FFtz9t3F\n\tfor ;\n\tWed, 27 Sep 2017 01:32:29 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1031379AbdIZPc1 (ORCPT );\n\tTue, 26 Sep 2017 11:32:27 -0400","from dispatch1-us1.ppe-hosted.com ([67.231.154.164]:32929 \"EHLO\n\tdispatch1-us1.ppe-hosted.com\" rhost-flags-OK-OK-OK-OK)\n\tby vger.kernel.org with ESMTP id S1030485AbdIZPc0 (ORCPT\n\t); Tue, 26 Sep 2017 11:32:26 -0400","from pure.maildistiller.com (unknown [10.110.50.29])\n\tby dispatch1-us1.ppe-hosted.com (Proofpoint Essentials ESMTP Server)\n\twith ESMTP id C064060095; Tue, 26 Sep 2017 15:32:25 +0000 (UTC)","from mx1-us3.ppe-hosted.com (unknown [10.110.49.251])\n\tby pure.maildistiller.com (Proofpoint Essentials ESMTP Server) with\n\tESMTPS id 433CC40055; Tue, 26 Sep 2017 15:32:25 +0000 (UTC)","from webmail.solarflare.com (uk.solarflare.com [193.34.186.16])\n\t(using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1-us3.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with\n\tESMTPS id CEBC16008A; Tue, 26 Sep 2017 15:32:24 +0000 (UTC)","from ec-desktop.uk.solarflarecom.com (10.17.20.45) by\n\tukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server\n\t(TLS) id 15.0.1044.25; Tue, 26 Sep 2017 16:32:19 +0100"],"X-Virus-Scanned":"Proofpoint Essentials engine","From":"Edward Cree ","Subject":"[PATCH v2 net-next 0/2] bpf/verifier: disassembly improvements","To":"","CC":", ,\n\t, ","Message-ID":"<52270348-67f1-4e7a-cd2f-9d611ae94064@solarflare.com>","Date":"Tue, 26 Sep 2017 16:32:15 +0100","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101\n\tThunderbird/45.1.0","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","X-Originating-IP":"[10.17.20.45]","X-ClientProxiedBy":"ocex03.SolarFlarecom.com (10.20.40.36) To\n\tukex01.SolarFlarecom.com (10.17.10.4)","X-TM-AS-Product-Ver":"SMEX-11.0.0.1191-8.100.1062-23352.000","X-TM-AS-Result":"No--2.235400-0.000000-31","X-TM-AS-User-Approved-Sender":"Yes","X-TM-AS-User-Blocked-Sender":"No","X-MDID":"1506439945-LmpO-BGDqQ+Q","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"},"content":"Fix the output of print_bpf_insn() for ALU ops that don't look like\n compound assignment (i.e. BPF_END and BPF_NEG).\n\nSample output for a short test program:\n0: (b4) (u32) r0 = (u32) 0\n1: (dc) r0 = be32 r0\n2: (84) r0 = (u32) -r0\n3: (95) exit\nprocessed 4 insns, stack depth 0\n\nEdward Cree (2):\n bpf/verifier: improve disassembly of BPF_END instructions\n bpf/verifier: improve disassembly of BPF_NEG instructions\n\n kernel/bpf/verifier.c | 23 +++++++++++++++++++++--\n 1 file changed, 21 insertions(+), 2 deletions(-)"}