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=-13.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL 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 15B10C43331 for ; Wed, 1 Apr 2020 17:56:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D5A8020719 for ; Wed, 1 Apr 2020 17:56:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="ajSmIzuv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732509AbgDAR4t (ORCPT ); Wed, 1 Apr 2020 13:56:49 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:41735 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728419AbgDAR4s (ORCPT ); Wed, 1 Apr 2020 13:56:48 -0400 Received: by mail-pl1-f193.google.com with SMTP id d24so225844pll.8 for ; Wed, 01 Apr 2020 10:56:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=yI26ZhrOiIL8spNhsxWYK6f9t1xQ5Sm+6ZAEnI+a28A=; b=ajSmIzuvMD1shcgImPYx+zbZQUz/ByvNut7SSgj1Zj5VgFID/XYOllMEdyF9zUxNN4 pSDx1qy16ZUYBGkRqOvP0lUS9ftL4vFF2I+Mk0sCMyBURt4a/PT3RcJzKnmDuBTVlrl1 kbOb+x+QYpKku9YOpbaKJLVL8mjFzS0P87/GrHoNcd//AAm6SCh6eem+GQcWNf0x8q93 YfEY4/dQuYGU35iS5WKlY3zpkIZFQXDkP9YmfMkUYDIJH7fh2e9/H8/mCPpvMxmS+LXz MgF/DZS7RFJIwuOjdUO+sw/9oI+hDqGSTMGWoVWtef0/8aEynS+VOwP/M8I1zhEZuXnG R8Cg== 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=yI26ZhrOiIL8spNhsxWYK6f9t1xQ5Sm+6ZAEnI+a28A=; b=Fus6NEQeWbA7zSCppeTIYj2Eb9dcWmD7Ypy8Au9Y9hUlut7VkUIUf1JMPCdc28Y7Bd P9idPrCM+eSxtG/0hChb8YPkjtyZNv5lHHEAJXlCXJvdECZDv2AX7Rt9usXbdn4WPTwI gA/FSGuP0/XFD3KyQFfJAK6Vaw4u36MvFZIyi5ZSlUNm19lJAk1NS/Hdal9KkrlV+0EC AtcNW0q+w4n+kwwMCoNequF+RX88JITTSwWdspAYR27qoTAqsgaEsd0TakqUWjmy8/Qc rh54yYCoN/2TnG7vdOHqFJ1NqChRcGwIIWnQfHJhWhY1CdwJdPbsvYkwhemoE4VUK7P1 MawQ== X-Gm-Message-State: ANhLgQ2T6qidCuH5AzhZbk3Y6C+XHPM+QmcIvKF3BoW5kgLZTVSyxcwo TumjTkkyKOh6yAlr93dMWhnWQ+NlrgGuzz3mLg0YrA== X-Google-Smtp-Source: ADFU+vs+ipW1cSPPz7Aecs3H5dXxYGvmGY+jIwfNg5qKza98ak96RlV4UV94FcsKxYwubYuEFOUTtMzPOsmiBTcT3wQ= X-Received: by 2002:a17:902:22e:: with SMTP id 43mr22426728plc.119.1585763807025; Wed, 01 Apr 2020 10:56:47 -0700 (PDT) MIME-Version: 1.0 References: <202004010505.30nygaXZ%lkp@intel.com> In-Reply-To: <202004010505.30nygaXZ%lkp@intel.com> From: Nick Desaulniers Date: Wed, 1 Apr 2020 10:56:35 -0700 Message-ID: Subject: Re: ld.lld: warning: lld uses blx instruction, no object with architecture supporting feature detected To: clang-built-linux Cc: Dirk Mueller , kbuild-all@lists.01.org, LKML , Rob Herring , David Gibson , Philip Li , kbuild test robot Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 31, 2020 at 2:20 PM kbuild test robot wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 42595ce90b9d4a6b9d8c5a1ea78da4eeaf7e086a > commit: e33a814e772cdc36436c8c188d8c42d019fda639 scripts/dtc: Remove redundant YYLOC global declaration > date: 4 days ago > config: arm-randconfig-a001-20200401 (attached as .config) > compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 5227fa0c72ce55927cf4849160acb00442489937) > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout e33a814e772cdc36436c8c188d8c42d019fda639 > # save the attached .config to linux build tree > COMPILER=clang make.cross ARCH=arm > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot > > All warnings (new ones prefixed by >>): > > >> ld.lld: warning: lld uses blx instruction, no object with architecture supporting feature detected Apologies that the bot is repeatedly converging on this patch; it's an artifact of us turning on LLD for the first time. This error looks new to me, seems it's a randconfig. I've filed https://github.com/ClangBuiltLinux/linux/issues/964 to follow up on it. -- Thanks, ~Nick Desaulniers