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=-13.2 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,URIBL_BLOCKED,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 6D331C4167B for ; Wed, 9 Dec 2020 05:24:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C3DB23B28 for ; Wed, 9 Dec 2020 05:24:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726692AbgLIFYL (ORCPT ); Wed, 9 Dec 2020 00:24:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725995AbgLIFYL (ORCPT ); Wed, 9 Dec 2020 00:24:11 -0500 Received: from mail-pg1-x543.google.com (mail-pg1-x543.google.com [IPv6:2607:f8b0:4864:20::543]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F7F6C0613CF for ; Tue, 8 Dec 2020 21:23:31 -0800 (PST) Received: by mail-pg1-x543.google.com with SMTP id v29so444542pgk.12 for ; Tue, 08 Dec 2020 21:23:31 -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=3Tqs2Bz7msoUPZyObgWN3xF+h9p+l/eCjvEQpWbPSSU=; b=OxsOUIM85/FYIPIB2R8Z1zNH6hhLEXdXRuOIyltjsnOhdz5a0A9+eE5h1rpwrsrPQr 1bXqCha3Xg+zai8ciecNwe/HLZ3kOOJP34uXiIE8cSOdtq2rNDHl9X6xyg/E9r9wlBvh PmbqoP3V2IMQ7i2Obc87ZNu55h0VtVcejwoZzw07sPSZggoVY09+XnnId1dIIrxpBqvD jLrlbGRCUmCESTmyCYxcy89c+6kuLUnt/ZQYafUPlcP9pJgaTXuHm50LIKQls5hoiude YACweNLn3mWmGyxYsuIAPBe1LR/5D4OrYpBsn36s47Sw7LuDo+GFIB6j9dcOyrWEgeju FFFw== 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=3Tqs2Bz7msoUPZyObgWN3xF+h9p+l/eCjvEQpWbPSSU=; b=hxYWSIVRzcQczPB4rwPjRrwxe1R0LBDvKMPPmW4t8O72paLuxzP6NfW8oOBA349NHn iYtM+eP+rbI0FxlMwIRweUs4u0pAuQnU7nCzmhlZ6Rn+SwmTNCtkhj7yBg1spcXClix8 ygiBCXqkAdS8dW2+FiSL/lU0lDi5abzoSfC/vc/ipVFRlpVGevUwdSsPcEMKj3eKHG6N w7+L7qdbHltI2o2+VV7Vtmpq0imGQ9KZltyzAEGJvlETUPPMYziM8hADzlXO7Zkaxmei SzhXDPrWl+7esPDOYbxNnEaj4R4WQ8WCxs50iuOqahJmVlu5/eICOqKk/ZMfsBowcv2J 0z+w== X-Gm-Message-State: AOAM5316os4ULdrAZq6sFDgzp0kgSRWyFkBn67vEr4OSPKwCTgAMrpPC l26iK1+eoivtqA/EP9bbgR2l1q9mzog+sQufih+JXQ== X-Google-Smtp-Source: ABdhPJxqk+LGhDRPp0umcyl3h6fe4zAxBkF8KehhsBTBAZyCA/jdz6XKfvdMdjdIFiZftrcAFMyYhQT0xlTg5L2ZAXg= X-Received: by 2002:a05:6a00:acc:b029:198:2ba6:c0f6 with SMTP id c12-20020a056a000accb02901982ba6c0f6mr782498pfl.53.1607491410514; Tue, 08 Dec 2020 21:23:30 -0800 (PST) MIME-Version: 1.0 References: <20201201213707.541432-1-samitolvanen@google.com> In-Reply-To: From: =?UTF-8?B?RsSBbmctcnXDrCBTw7JuZw==?= Date: Tue, 8 Dec 2020 21:23:18 -0800 Message-ID: Subject: Re: [PATCH v8 00/16] Add support for Clang LTO To: Arnd Bergmann Cc: Sami Tolvanen , 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-kernel@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" > > Arnd > This is interesting. I changed the symbol assignment to a separate loop in https://reviews.llvm.org/D66279 Does raising the limit help? Sometimes the kernel linker script can be rewritten to be more friendly to the linker...