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=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 B2007C433E0 for ; Tue, 14 Jul 2020 09:20:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 90FA821D7D for ; Tue, 14 Jul 2020 09:20:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726782AbgGNJUC (ORCPT ); Tue, 14 Jul 2020 05:20:02 -0400 Received: from mail-ot1-f66.google.com ([209.85.210.66]:32899 "EHLO mail-ot1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726352AbgGNJUA (ORCPT ); Tue, 14 Jul 2020 05:20:00 -0400 Received: by mail-ot1-f66.google.com with SMTP id h13so12557339otr.0; Tue, 14 Jul 2020 02:19:59 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=lr6ehkiA+wQTlVbgKUBtfLmjH6B35ZHI7I1BOUE7Afo=; b=t3icOm9FBPBdB2+Fp9LxU1YRusbuEdz/FTmz/ZCHqoWOaIJToTAFWFvq4MrZip0sfH ZMtC7It3CW5yQfa+pssA3AAvkW3IT/HAKF9jU9QOqBDbtczWUxPw2zg9yYD4ca6Ul4sl /L66+Puw1yhpyMFAYHctjn/9JMtvwjGQOhwXjUmKFPj+4BXAEOdElceJkVwCZ3vD2DV4 6mPyNtQKIQTP4I5SDmy554m65nHLOAj8u2Xe5fzFUs2h5vfCqgzKejrdtXFcL1NzO5FH ahkSm4JZ3HVGo4amx+d+pM7QHf93Xjbja0YndPyvwUfMNB+c/Hz6xoivmRvkKdgT6mlX nG5w== X-Gm-Message-State: AOAM530SPu3PO0/rLqk3e50aJcENKQN27GqjkgC2Nmc6KZhzPu/yN/3/ 8vjI8IOk+xylsKRYGi/+YRDRYz+09eZiiomFn94= X-Google-Smtp-Source: ABdhPJymM3jUthOU7MUC7BJJVYVEZLSfzetmtXN1UCJV7+dkv0NdChE4LhYysx3KVtt2ozOxEExy7AyZyfrvt66ViT4= X-Received: by 2002:a9d:2646:: with SMTP id a64mr3032121otb.107.1594718399477; Tue, 14 Jul 2020 02:19:59 -0700 (PDT) MIME-Version: 1.0 References: <20200714122247.797cf01e@canb.auug.org.au> <20200714061654.GE183694@krava> <20200714083133.GF183694@krava> In-Reply-To: <20200714083133.GF183694@krava> From: Geert Uytterhoeven Date: Tue, 14 Jul 2020 11:19:47 +0200 Message-ID: Subject: Re: linux-next: build failure after merge of the bpf-next tree To: Jiri Olsa Cc: Stephen Rothwell , Daniel Borkmann , Alexei Starovoitov , Networking , Linux Next Mailing List , Linux Kernel Mailing List , Jiri Olsa Content-Type: text/plain; charset="UTF-8" Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org Hi Jiri, On Tue, Jul 14, 2020 at 10:33 AM Jiri Olsa wrote: > On Tue, Jul 14, 2020 at 08:16:54AM +0200, Jiri Olsa wrote: > > On Tue, Jul 14, 2020 at 12:22:47PM +1000, Stephen Rothwell wrote: > > > After merging the bpf-next tree, today's linux-next build (arm > > > multi_v7_defconfig) failed like this: > > > > > > tmp/ccsqpVCY.s: Assembler messages: > > > tmp/ccsqpVCY.s:78: Error: unrecognized symbol type "" > > > tmp/ccsqpVCY.s:91: Error: unrecognized symbol type "" > > > > > > I don't know what has caused this (I guess maybe the resolve_btfids > > > branch). > > > > > > I have used the bpf-next tree from next-20200713 for today. Bummer, didn't find this report before I had bisected this to c9a0f3b85e09dd16 ("bpf: Resolve BTF IDs in vmlinux image"), and investigated the root cause (@object) myself, as the failing file path (net/core/filter.o) was not mentioned... > > ok, trying to reproduce > > damn crossbuilds.. change below fixes it for me, > will do some more testing and post it today Thanks, this fixes my (cross)arm32 build, and the (cross)arm64 build keeps working, and everything boots, so Tested-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds