From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59E4EC433DB for ; Tue, 23 Mar 2021 13:37:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19A3461983 for ; Tue, 23 Mar 2021 13:37:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231474AbhCWNhV (ORCPT ); Tue, 23 Mar 2021 09:37:21 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:18270 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231630AbhCWNhK (ORCPT ); Tue, 23 Mar 2021 09:37:10 -0400 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 12NDXpMb103740; Tue, 23 Mar 2021 09:36:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : subject : from : to : cc : date : in-reply-to : references : content-type : mime-version : content-transfer-encoding; s=pp1; bh=2nCsYZl6MwFH575/1enaeYLLx6w+XoCcdYARCfc7zXE=; b=c/owor4YoboOSDpCIO3xWXCepEXQtT/zb2Q3iIigTdu+GZQ0xwtLTFjdRvIKikUZkDmC gX3Qvwzp4ZyqehHDO3ocTmLm/Za+aG8c/UaA3CLHqB89gak8OJTuIbuWk1AoESwh6jmq uU71dUhAxornMBY1U2nI7JHCh5RrodZZBtRV0Szlh5Qzc0GkNP1q5eDL4RBXc6o/u964 duxIt/WEbMKp0bhwKtAmKalr8GOErs63A5v3n6wkbjBWrLJDTfq6vUKgZkR5mvqMj4m/ F9P+Qjs7lMS0V1KPnshkvtGiI7U5KF3INdxTaV33YdcoigE7PiYWBC6w6rRHj0MeDqgP Zw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 37dx4b249w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 Mar 2021 09:36:54 -0400 Received: from m0098393.ppops.net (m0098393.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 12NDXquX103751; Tue, 23 Mar 2021 09:36:54 -0400 Received: from ppma05fra.de.ibm.com (6c.4a.5195.ip4.static.sl-reverse.com [149.81.74.108]) by mx0a-001b2d01.pphosted.com with ESMTP id 37dx4b248j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 Mar 2021 09:36:54 -0400 Received: from pps.filterd (ppma05fra.de.ibm.com [127.0.0.1]) by ppma05fra.de.ibm.com (8.16.0.43/8.16.0.43) with SMTP id 12NDWpF5010711; Tue, 23 Mar 2021 13:36:51 GMT Received: from b06avi18626390.portsmouth.uk.ibm.com (b06avi18626390.portsmouth.uk.ibm.com [9.149.26.192]) by ppma05fra.de.ibm.com with ESMTP id 37d9a6hred-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 Mar 2021 13:36:51 +0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06avi18626390.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 12NDaVG034865648 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 23 Mar 2021 13:36:31 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C66D95205A; Tue, 23 Mar 2021 13:36:48 +0000 (GMT) Received: from sig-9-145-31-74.uk.ibm.com (unknown [9.145.31.74]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 54F5D52059; Tue, 23 Mar 2021 13:36:48 +0000 (GMT) Message-ID: <41d244ba53881fa99dda3d0a65c4a8cfb557a755.camel@linux.ibm.com> Subject: Re: [PATCH PING dwarves] btf: Add --btf_gen_all flag From: Ilya Leoshkevich To: Arnaldo Carvalho de Melo Cc: Arnaldo Carvalho de Melo , Andrii Nakryiko , dwarves@vger.kernel.org, bpf@vger.kernel.org, Alexei Starovoitov , Daniel Borkmann , Yonghong Song , Heiko Carstens , Vasily Gorbik Date: Tue, 23 Mar 2021 14:36:48 +0100 In-Reply-To: References: <20210312000808.175262-1-iii@linux.ibm.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.38.4 (3.38.4-1.fc33) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-23_06:2021-03-22,2021-03-23 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 spamscore=0 suspectscore=0 mlxlogscore=999 priorityscore=1501 mlxscore=0 adultscore=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103230100 Precedence: bulk List-ID: X-Mailing-List: dwarves@vger.kernel.org On Fri, 2021-03-12 at 10:39 -0300, Arnaldo Carvalho de Melo wrote: > Em Fri, Mar 12, 2021 at 01:08:08AM +0100, Ilya Leoshkevich escreveu: > > By default, pahole makes use only of BTF features introduced with > > kernel v5.2. Features that are added later need to be turned on with > > explicit feature flags, such as --btf_gen_floats. According to [1], > > this will hinder the people who generate BTF for kernels externally > > (e.g. for old kernels to support BPF CO-RE). > > > > Introduce --btf_gen_all that allows using all BTF features supported > > by pahole. > > > > [1] > > https://lore.kernel.org/dwarves/CAEf4Bzbyugfb2RkBkRuxNGKwSk40Tbq4zAvhQT8W=fVMYWuaxA@mail.gmail.com/ > > Applied locally, testing ongoing. > > Also added this: > > Suggested-by: Andrii Nakryiko > > - Arnaldo [...] Hi Arnaldo, I'd like to ping this patch (and https://lore.kernel.org/dwarves/20210310201550.170599-1-iii@linux.ibm.com/ too). Best regards, Ilya >