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=-0.8 required=3.0 tests=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 27ABEC433E0 for ; Fri, 29 May 2020 05:24:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 030EB2072D for ; Fri, 29 May 2020 05:24:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725854AbgE2FYt (ORCPT ); Fri, 29 May 2020 01:24:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725768AbgE2FYs (ORCPT ); Fri, 29 May 2020 01:24:48 -0400 Received: from omr2.cc.vt.edu (omr2.cc.ipv6.vt.edu [IPv6:2607:b400:92:8400:0:33:fb76:806e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62C21C08C5C6 for ; Thu, 28 May 2020 22:24:48 -0700 (PDT) Received: from mr6.cc.vt.edu (mr6.cc.vt.edu [IPv6:2607:b400:92:8500:0:af:2d00:4488]) by omr2.cc.vt.edu (8.14.4/8.14.4) with ESMTP id 04T5OliB015996 for ; Fri, 29 May 2020 01:24:47 -0400 Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) by mr6.cc.vt.edu (8.14.7/8.14.7) with ESMTP id 04T5Oghw024252 for ; Fri, 29 May 2020 01:24:47 -0400 Received: by mail-qt1-f199.google.com with SMTP id z29so1589543qtj.5 for ; Thu, 28 May 2020 22:24:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:in-reply-to:references :mime-version:content-transfer-encoding:date:message-id; bh=jkvjipyYBp2cx7ulrkRHJLvBj85Vc9PzxB3CdRuJTE0=; b=rXDVwifyagovIwiMF+J78iPSv2D46HHK4YxQzdzutAqbiHwgGsXd1PAnGrzP+9equg LUEyBhz+VtleF3JgkqDGfD1N/LL25IKEnKkEshs4BETHUSz1KpcK23vi3A0vGiseaThe JNFpwbnMTQCPlrt5O1Memaao+fCvJ+ILQZDK08jUxlhIdXPPyDr0Vh3hxx0vq8HLwDVs oE72vngMw/w4vHd7/Y39wdWcDTld9tM1MA3nRWdWK7PJDNc2Z0kzZ+JVGci/uBNbFgtO FantZXbm6/V86u/tSt/nSVegydgM9PcFlKUE1CTduyDKx9d9SGKjJlEITIecXaUVYAmx pPRA== X-Gm-Message-State: AOAM531YhkV2vQqvNR6T/qWbyROYkXT6DM+Zy1pfL45wd017PjLrGaX1 DUFF3Ao8mtRCSAghwFNn0N13s34csD1bbjQ1teHdElwVWOJI5S2NAbvRP/okK/iXnZZGvrcbfVi QDx7VrVPa6ChRKYoOcT3CoA4qf8XDrjNtOQI= X-Received: by 2002:ad4:46c7:: with SMTP id g7mr6408475qvw.245.1590729882260; Thu, 28 May 2020 22:24:42 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxi8Z+hMsbF6Kk1gntyoHLAHJpLnOfaCNP1t9tR2LMQEmiQVE+vv8RtgSQ4awqeoFIPRcQC4w== X-Received: by 2002:ad4:46c7:: with SMTP id g7mr6408464qvw.245.1590729881857; Thu, 28 May 2020 22:24:41 -0700 (PDT) Received: from turing-police ([2601:5c0:c001:c9e1::359]) by smtp.gmail.com with ESMTPSA id a38sm7762287qtb.37.2020.05.28.22.24.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 May 2020 22:24:40 -0700 (PDT) From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Google-Original-From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.7+dev To: Randy Dunlap Cc: "Paul E. McKenney" , Josh Triplett , Steven Rostedt , rcu@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: next-20200528 - build error in kernel/rcu/refperf.c In-Reply-To: <9d8b13db-9d77-416d-e283-9ea509ce43d1@infradead.org> References: <538911.1590725791@turing-police> <9d8b13db-9d77-416d-e283-9ea509ce43d1@infradead.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1590729879_16657P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Fri, 29 May 2020 01:24:39 -0400 Message-ID: <543040.1590729879@turing-police> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1590729879_16657P Content-Type: text/plain; charset=us-ascii On Thu, 28 May 2020 21:48:18 -0700, Randy Dunlap said: > > ERROR: modpost: "__aeabi_uldivmod" [kernel/rcu/refperf.ko] undefined! Gaah. And the reason I didn't spot Paul's post while grepping my linux-kernel mailbox is because *that* thread had a different undefined reference: > > > > > > m68k-linux-ld: kernel/rcu/refperf.o: in function `main_func': > > > > > > >> refperf.c:(.text+0x762): undefined reference to `__umoddi3' > Paul has already responded: (unfortunately) > > "So I am restricting to 64BIT for the time being. Yeah, I know, lazy of > me. ;-)" It's the sort of issue that's well into "as long as it gets mostly fixed before it hits Linus's tree" territory. I've seen lots of far worse work-arounds in the years since the 2.5.47 kernel. :) --==_Exmh_1590729879_16657P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Comment: Exmh version 2.9.0 11/07/2018 iQIVAwUBXtCclwdmEQWDXROgAQJkfg/6A2IcEFTV326dW0vwvyr6VfK1sfUL8g/W O56/d3DjBFSNnr1RW6heKf4ZTCdcHar2T2BwYJwuheSyq8ZpPcfIyx6dCr/hM1qJ q4015CW6Jwibk4DUng5JZ9RUzG016FKrzG0OSsnqsSy2iHZv6eEx78AKetKxxcY3 mGZUFqJT+gxHYJfFBErDTY0+vCjJZlPfTcWvM0OeVbs2EblYoZtXvOrk3K99RCrS lymBP+EAz+Sd1eiqtH5tSSaip3UjL/5ap2bF5b/ro3gW01ICJofL9dgVH12f64om wnRTXPy298y5CP7y1Jdxu74pdZ2auk1J6642o9bwQuYSG1j6gcTn8PIvn0JpdOfr U76sXZhtSZ/9HSYBu0NB/G8qjhl6AtFWNNltVH1tRWZCiuwLikfFOLYZe2qkac3s mzWuHQopJLKx1/ySr1sycuBDU94VDD6T+qkub36Ktp4cEk0G4VfFJSQIucswrcjo a6jWLQnYszkOKfZ7GuQSfUqz+FzQIFOJFr+qzaeI1BngOeMDsj/9bjBxDRKpeGGZ 8Mn5MfXwq7qugzTnKGW/1XY9oWLPIt0qwYhSm/llPTCJSiSH8xgR8jfaG5EOgqu8 D90p1PM5pQxQaAQvs39HiAsFpeVHUhmIB6WOz6ismqDh6bSDrsVINt5Qbwc/CYro fk97PVYmRvU= =w36d -----END PGP SIGNATURE----- --==_Exmh_1590729879_16657P--