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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 C2DD4C433FE for ; Wed, 9 Dec 2020 16:10:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9A32023B6B for ; Wed, 9 Dec 2020 16:10:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728464AbgLIQKL (ORCPT ); Wed, 9 Dec 2020 11:10:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726757AbgLIQKL (ORCPT ); Wed, 9 Dec 2020 11:10:11 -0500 Received: from mail-vs1-xe41.google.com (mail-vs1-xe41.google.com [IPv6:2607:f8b0:4864:20::e41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 512A7C06179C for ; Wed, 9 Dec 2020 08:09:31 -0800 (PST) Received: by mail-vs1-xe41.google.com with SMTP id s85so1171427vsc.3 for ; Wed, 09 Dec 2020 08:09:31 -0800 (PST) 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=nqyEOFHVM5Ky3nbjp7naROpurgTB2x9ZG+Hz5wH8wPU=; b=enl+HYZfvbCMKTqutKGkL4DEIVorJ/taYS/JJw+IfqHlE5cVy/zslMzRYwk2VdL0wr s43qvZaWjhm/0laGuZtBRiui2gDEsXPAouZwsdj9LIev9pb2X/bwrRXUz4XQTOg3gVSD oU/wAXdv54FAHrtCWR59AqwHnZVb1iQ5qyFEXrsxKVlxFgEsa1wy3FjVzPGnpuhILmIW zeGKaFuVPAWhnS6yaQBw6k4xASuW/5YzXjkd2dqGVGtP6DkVDRKUww9R9SaonJ1JE+Q9 lzNtBdhD0wjbRFTlp/UFs5dlfE7SYVAYipT8+m8J2FPZ6M4UOJscZl9ID0t64scrmJIq Nq6g== 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=nqyEOFHVM5Ky3nbjp7naROpurgTB2x9ZG+Hz5wH8wPU=; b=MwgHktN2KlOSJ0Rj1lBQuVgW2HL3MBsJgiIrbTB5UIU/ykU5wNz6eRVQ0H/aE6VtGc kYqEuMemgdE0zfiPGCwpRciaMirni1G/nt9oD2IJ06cOzRy7MRBP7ICMyQM4EeNO5gh4 mKY67P9SrA+n9ZxCJLu3eIgrYHUntt9uQXbHaw5V0mxFEr1JpQ7mcF/Dz2DLST+hD52a c0wsVtHDL+N9hIrYpIw6oLauPW+gwxxORIpA2uJgb9N6oq+n+niQ3zuynLgNy62f8HUR 9DH6rcatmYl6kG8BgcVD/cxaDweaRwR1soSCnpoG6WxipfYRlT9shGuAFx67vD/X7GB/ Im+Q== X-Gm-Message-State: AOAM531ffZbueBK4+1PZmMaCGMCgsdg9riqkYGJn+u6Cf4BtMSO07VLV oAf+cwWN+sf5mSN3/15EGeDPmQbX2KbMAYiJz2dSwg== X-Google-Smtp-Source: ABdhPJygyHjARSrnsdIbp51NuTL1nsIMlAfXLy2zaWgCIgwi3WqDnANYwazmXhxW1QwBlbPUShTlfc50yzUmoDM5q7s= X-Received: by 2002:a67:4341:: with SMTP id q62mr2124127vsa.14.1607530169863; Wed, 09 Dec 2020 08:09:29 -0800 (PST) MIME-Version: 1.0 References: <20201201213707.541432-1-samitolvanen@google.com> In-Reply-To: From: Sami Tolvanen Date: Wed, 9 Dec 2020 08:09:18 -0800 Message-ID: Subject: Re: [PATCH v8 00/16] Add support for Clang LTO To: Arnd Bergmann Cc: Masahiro Yamada , Steven Rostedt , Will Deacon , Josh Poimboeuf , Peter Zijlstra , Greg Kroah-Hartman , "Paul E. McKenney" , Kees Cook , Nick Desaulniers , clang-built-linux , Kernel Hardening , linux-arch , Linux ARM , Linux Kbuild mailing list , "linux-kernel@vger.kernel.org" , linux-pci Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Tue, Dec 8, 2020 at 1:02 PM Arnd Bergmann wrote: > > On Tue, Dec 8, 2020 at 9:59 PM Arnd Bergmann wrote: > > > > Attaching the config for "ld.lld: error: Never resolved function from > > blockaddress (Producer: 'LLVM12.0.0' Reader: 'LLVM 12.0.0')" > > And here is a new one: "ld.lld: error: assignment to symbol > init_pg_end does not converge" Thanks for these. I can reproduce the "Never resolved function from blockaddress" issue with full LTO, but I couldn't reproduce this one with ToT Clang, and the config doesn't have LTO enabled: $ grep LTO 0x2824F594_defconfig CONFIG_ARCH_SUPPORTS_LTO_CLANG_THIN=y Is this the correct config file? Sami