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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham 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 42D64C47404 for ; Fri, 4 Oct 2019 10:58:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0E841222C7 for ; Fri, 4 Oct 2019 10:58:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730835AbfJDK66 (ORCPT ); Fri, 4 Oct 2019 06:58:58 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:43142 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729319AbfJDK65 (ORCPT ); Fri, 4 Oct 2019 06:58:57 -0400 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x94Aw5wL014151 for ; Fri, 4 Oct 2019 06:58:56 -0400 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0b-001b2d01.pphosted.com with ESMTP id 2ve1n1qnha-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 04 Oct 2019 06:58:56 -0400 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 4 Oct 2019 11:58:50 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x94AwnqI14549082 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 4 Oct 2019 10:58:49 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9C4464C063; Fri, 4 Oct 2019 10:58:49 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4ABE84C05C; Fri, 4 Oct 2019 10:58:49 +0000 (GMT) Received: from oc7455500831.ibm.com (unknown [9.152.224.146]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 4 Oct 2019 10:58:49 +0000 (GMT) Subject: Re: [PATCH v3] docs: Use make invocation's -j argument for parallelism From: Christian Borntraeger To: Kees Cook , Jonathan Corbet Cc: Mauro Carvalho Chehab , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Linux-Next Mailing List , Stephen Rothwell References: <201909241627.CEA19509@keescook> <0d2433cc-8f97-174f-4835-1fead9e7fe16@de.ibm.com> Openpgp: preference=signencrypt Autocrypt: addr=borntraeger@de.ibm.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <0d2433cc-8f97-174f-4835-1fead9e7fe16@de.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19100410-0020-0000-0000-00000374F88F X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19100410-0021-0000-0000-000021CB076B Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-10-04_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=762 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910040103 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04.10.19 10:04, Christian Borntraeger wrote: > > On 25.09.19 01:29, Kees Cook wrote: >> While sphinx 1.7 and later supports "-jauto" for parallelism, this >> effectively ignores the "-j" flag used in the "make" invocation, which >> may cause confusion for build systems. Instead, extract the available >> parallelism from "make"'s job server (since it is not exposed in any >> special variables) and use that for the "sphinx-build" run. Now things >> work correctly for builds where -j is specified at the top-level: >> >> make -j16 htmldocs >> >> If -j is not specified, continue to fallback to "-jauto" if available. >> >> Signed-off-by: Kees Cook >> --- >> v3: python2, specific exceptions, correct SPDX, blocking writer >> v2: retain "-jauto" default behavior with top-level -j is missing. > [...] >> diff --git a/scripts/jobserver-count b/scripts/jobserver-count >> new file mode 100755 >> index 000000000000..0b482d6884d2 >> --- /dev/null >> +++ b/scripts/jobserver-count >> @@ -0,0 +1,58 @@ >> +#!/usr/bin/env python > > > This breaks our daily linux-next build for an fedora 30 rpm on s390x: > > + /usr/lib/rpm/redhat/brp-mangle-shebangs > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/profile2linkerlist.pl from /usr/bin/env perl to #!/usr/bin/perl > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/headerdep.pl from /usr/bin/env perl to #!/usr/bin/perl > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/package/buildtar from /bin/sh to #!/usr/bin/sh > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/package/builddeb from /bin/sh to #!/usr/bin/sh > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/package/mkspec from /bin/sh to #!/usr/bin/sh > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/package/mkdebian from /bin/sh to #!/usr/bin/sh > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/checksyscalls.sh from /bin/sh to #!/usr/bin/sh > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/gen_ksymdeps.sh from /bin/sh to #!/usr/bin/sh > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/makelst from /bin/sh to #!/usr/bin/sh > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/checkversion.pl from /usr/bin/env perl to #!/usr/bin/perl > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/gcc-plugin.sh from /bin/sh to #!/usr/bin/sh > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/gfp-translate from /bin/bash to #!/usr/bin/bash > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/tags.sh from /bin/bash to #!/usr/bin/bash > *** ERROR: ambiguous python shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/jobserver-count: #!/usr/bin/env python. Change it to python3 (or python2) explicitly. > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/adjust_autoksyms.sh from /bin/sh to #!/usr/bin/sh > mangling shebang in /usr/src/kernels/5.4.0-20191004.rc1.git155.311ef88adfa3.301.fc30.s390x+next/scripts/kernel-doc from /usr/bin/env perl to #!/usr/bin/perl > [...] Ok, adding something like +pathfix.py -pni "%{__python3} %{py3_shbang_opts}" scripts/jobserver-count to the spec file fixed the problem. Question is, if we want to make the python version more specific or not.