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=-13.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 91EF0C64E7B for ; Tue, 1 Dec 2020 20:57:57 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9400A20757 for ; Tue, 1 Dec 2020 20:57:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="TFwSRXZw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9400A20757 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4ClvZB0VFBzDqx2 for ; Wed, 2 Dec 2020 07:57:54 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=chromium.org (client-ip=2607:f8b0:4864:20::442; helo=mail-pf1-x442.google.com; envelope-from=keescook@chromium.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=chromium.org header.i=@chromium.org header.a=rsa-sha256 header.s=google header.b=TFwSRXZw; dkim-atps=neutral Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4ClvX94KK1zDqTq for ; Wed, 2 Dec 2020 07:56:06 +1100 (AEDT) Received: by mail-pf1-x442.google.com with SMTP id b10so1946426pfo.4 for ; Tue, 01 Dec 2020 12:56:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=jvZxaR1uxdRFvn7XeforUrhpQcomda06FE9z8v9SF+I=; b=TFwSRXZw8tzrXF6TjZXpiOFHg1eTcIgsU/gnBsZvwrvBMi/VZtwhWsjJP6MDcyV7Xq EY1E3QlJDD2LP1zBZrGfMVxa/86yeHYBcTCHMhgcRUuE1NU55SXri1WRb5qI4RcXvbGK JWM4/WDllREpTawjswqFJddFIBj+qQ75I3XUk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=jvZxaR1uxdRFvn7XeforUrhpQcomda06FE9z8v9SF+I=; b=g9P/nLhIOAq/P3HbxTHf7FJLSF/JaYBegxQbb2PxXDdg00zpIgtUW0Ehv9dNMrY2JN GpY1B5YSxbUD9my6IJTgQnVQmT9pOMHXWFmv9Q3GIm2VUTq4y8kvEaoncKeMbAE8rMSV aIAwP7DNBt7ZCsBGnl+Wz4tC22AY+t2Kfpahzwe1+5ZTE2ZiH96eKhkunatx0Sn/+IgG B/HUgemUF/+m2lXefMuCe5Jb2RVgHFzSq4iKiP6CgvDWvgWuKBdqmXMPTxn4uCkK6dXH 1pkWrqpU5K1QeR/T+spYSG7FB0bx2rlscWbdiB6QA16Yko6gxb/RZlr1Xzazp0lfP490 38Kw== X-Gm-Message-State: AOAM531Z+Y3KskYsuDBX9VMtwTyh6M1tQcB5vYkXRgxqVP96qp6c9O2q +6e4/3IEOUwEEVONWMYmC7NDVA== X-Google-Smtp-Source: ABdhPJzCxMuBuZrRcsbYPBK43PxlNzAPIn7sX9mea5Y6YmB2SSRco81+JiT9a3Pib4DSr+575XOIFA== X-Received: by 2002:a62:293:0:b029:197:96c2:bef6 with SMTP id 141-20020a6202930000b029019796c2bef6mr4299536pfc.62.1606856164000; Tue, 01 Dec 2020 12:56:04 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id i26sm597443pfq.148.2020.12.01.12.56.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Dec 2020 12:56:02 -0800 (PST) Date: Tue, 1 Dec 2020 12:56:01 -0800 From: Kees Cook To: Masahiro Yamada Subject: Re: [PATCH v2 2/2] kbuild: Disable CONFIG_LD_ORPHAN_WARN for ld.lld 10.0.1 Message-ID: <202012011255.9D677ED3@keescook> References: <20201113195553.1487659-1-natechancellor@gmail.com> <20201119204656.3261686-2-natechancellor@gmail.com> <202011241421.A2F3062A70@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michal Marek , "kernelci . org bot" , Linux Kbuild mailing list , Catalin Marinas , Mark Brown , "maintainer:X86 ARCHITECTURE \(32-BIT AND 64-BIT\)" , Nick Desaulniers , Russell King , LKML , linuxppc-dev , Arvind Sankar , Ingo Molnar , Borislav Petkov , clang-built-linux , Nathan Chancellor , Will Deacon , Thomas Gleixner , Linux ARM Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Tue, Dec 01, 2020 at 10:31:37PM +0900, Masahiro Yamada wrote: > On Wed, Nov 25, 2020 at 7:22 AM Kees Cook wrote: > > > > On Thu, Nov 19, 2020 at 01:13:27PM -0800, Nick Desaulniers wrote: > > > On Thu, Nov 19, 2020 at 12:57 PM Nathan Chancellor > > > wrote: > > > > > > > > ld.lld 10.0.1 spews a bunch of various warnings about .rela sections, > > > > along with a few others. Newer versions of ld.lld do not have these > > > > warnings. As a result, do not add '--orphan-handling=warn' to > > > > LDFLAGS_vmlinux if ld.lld's version is not new enough. > > > > > > > > Link: https://github.com/ClangBuiltLinux/linux/issues/1187 > > > > Link: https://github.com/ClangBuiltLinux/linux/issues/1193 > > > > Reported-by: Arvind Sankar > > > > Reported-by: kernelci.org bot > > > > Reported-by: Mark Brown > > > > Reviewed-by: Kees Cook > > > > Signed-off-by: Nathan Chancellor > > > > > > Thanks for the additions in v2. > > > Reviewed-by: Nick Desaulniers > > > > I'm going to carry this for a few days in -next, and if no one screams, > > ask Linus to pull it for v5.10-rc6. > > > > Thanks! > > > > -- > > Kees Cook > > > Sorry for the delay. > Applied to linux-kbuild. Great, thanks! > But, I already see this in linux-next. > Please let me know if I should drop it from my tree. My intention was to get this to Linus this week. Do you want to do that yourself, or Ack the patches in my tree and I'll send it? -Kees -- Kees Cook