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Sun, 28 Jun 2020 20:53:49 +0000 Subject: Re: [PATCH v4 bpf-next 01/14] bpf: Add resolve_btfids tool to resolve BTF IDs in ELF object To: Jiri Olsa , Alexei Starovoitov CC: Jiri Olsa , Alexei Starovoitov , Daniel Borkmann , , , Song Liu , Martin KaFai Lau , David Miller , John Fastabend , Wenbo Zhang , KP Singh , Andrii Nakryiko , Brendan Gregg , Florent Revest , Al Viro References: <20200625221304.2817194-1-jolsa@kernel.org> <20200625221304.2817194-2-jolsa@kernel.org> <20200628190927.43vvzapcxpo7wxrq@ast-mbp.dhcp.thefacebook.com> <20200628193513.GA2988321@krava> From: Yonghong Song Message-ID: Date: Sun, 28 Jun 2020 13:53:46 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 In-Reply-To: <20200628193513.GA2988321@krava> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-ClientProxiedBy: BYAPR02CA0061.namprd02.prod.outlook.com (2603:10b6:a03:54::38) To BYAPR15MB4088.namprd15.prod.outlook.com (2603:10b6:a02:c3::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [IPv6:2620:10d:c085:21cf::1085] (2620:10d:c090:400::5:860f) by BYAPR02CA0061.namprd02.prod.outlook.com (2603:10b6:a03:54::38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3131.20 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-MS-Exchange-CrossTenant-Network-Message-Id: 8ec7ab88-2d8b-43a6-cf47-08d81ba55b78 X-MS-Exchange-CrossTenant-AuthSource: BYAPR15MB4088.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jun 2020 20:53:49.3881 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: VzrwDpIkNugJFcrlKvw/ksUbEsvcExSAsWrJJ4O/SrGeZ70GPHMNfhUhC/MwE4OE X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2582 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.687 definitions=2020-06-28_11:2020-06-26,2020-06-28 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 adultscore=0 mlxlogscore=999 lowpriorityscore=0 impostorscore=0 phishscore=0 spamscore=0 bulkscore=0 priorityscore=1501 cotscore=-2147483648 suspectscore=0 mlxscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006280157 X-FB-Internal: deliver Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 6/28/20 12:35 PM, Jiri Olsa wrote: > On Sun, Jun 28, 2020 at 12:09:27PM -0700, Alexei Starovoitov wrote: >> On Fri, Jun 26, 2020 at 02:09:53PM -0700, Yonghong Song wrote: >>> >>> After applying the whole patch set to my bpf-next tree locally, I cannot >>> build: >>> >>> -bash-4.4$ make -j100 && make vmlinux >>> GEN Makefile >>> DESCEND objtool >>> DESCEND bpf/resolve_btfids >>> make[4]: *** No rule to make target >>> `/data/users/yhs/work/net-next/tools/bpf/resolve_btfids/fixdep'. Stop. >>> make[3]: *** [fixdep] Error 2 >>> make[2]: *** [bpf/resolve_btfids] Error 2 >>> make[1]: *** [tools/bpf/resolve_btfids] Error 2 >>> make[1]: *** Waiting for unfinished jobs.... >>> make[1]: *** wait: No child processes. Stop. >>> make: *** [__sub-make] Error 2 >>> -bash-4.4$ >>> >>> Any clue what is the possible issue here? >> >> Same here. After applying patch 1 and 2 it doesn't build for me >> with the same error as above. >> >> But if I do: >> cd tools/bpf/resolve_btfids; make; cd -; make >> it works. > > I already got this error from 0-day bot.. I tested on fresh > Fedora installs on x86/ppx/arm/s390 archs and all's good > > what distros are you guys on? I'm installing debian and > perhaps I'll try some other My system is: CentOS Linux release 7.8.2003 (Core) > > thanks, > jirka >