Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp2422551pxu; Fri, 18 Dec 2020 12:54:46 -0800 (PST) X-Google-Smtp-Source: ABdhPJw8aJs7Ny5kj2JZMmhuk0uXVVRYZ1JlU77rBv292w8a/VOlJGxPcg4794nhSwjYaZ/oSsGf X-Received: by 2002:a17:906:5609:: with SMTP id f9mr5636897ejq.535.1608324886632; Fri, 18 Dec 2020 12:54:46 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1608324886; cv=none; d=google.com; s=arc-20160816; b=m5UD+6PsnEa9XukebYPyyG3EL9uRNpom/vE5jhs9BjG9Os7JRGTvV0KBQSFczrniln XgT7agIDVh6HotjKeGzCizLrLvlqH21R9OFLS7clr8jd6SsQh8/s+UzKHNP/A7lCs4Tb KSRHoOehW05qGinsgIdMFSv31aOppT2VLjtsVG3v0hfIsYlAAklgZYtf9RdcEsAwElM2 mKrw5jC7063fw/XkamMWtCcZ9Spj5fRkOkbRDXVUdmVKhNkKRsvjU8R1X2HgSm0H5QlX Nphjpn5OXTBFf6ShoRSu9ZCLPZMstDpGbnaUJpIHF/d37BvC9/0u97NglaWCZD83VfEr I5Mg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:dkim-signature:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=Vkw+uLqloTF34H+X6XM+h7o523zkguJSKp2ANgZpfIM=; b=mT/HI7IM5A41HsVr4qsMT2b0BqEeZFgBmT6zkMZTuAYNdMKKmfjXrooo8ENte+F9ws AadHO9Sl+vi/lvXyFjGlD8cENVNAfLDMcmTPg8Qis5dH/bndeYo29RRfXp3AqoHYnEQW O1uR9Oq6wxdjrxe0xD2fcFJe+NgzxtlCN3pdHssvd+YR1T3cu6DWyHOoI9KqwNR0Ok20 e9LFqHYBgcaQub+WULdoaS/qy9Y0KfqccmoyCqBfBv33id9bAEjF7kqRypEf4nkJv1JX pSCe2OZFSFLaRokYltM4ygopEa2C3DEcZx32+K47T5RjH8jBxshSjELNy5AkJ3QDdpUH Qxuw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nvidia.com header.s=n1 header.b="Pok/cBh0"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id c4si3398101ejk.182.2020.12.18.12.54.24; Fri, 18 Dec 2020 12:54:46 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@nvidia.com header.s=n1 header.b="Pok/cBh0"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387538AbgLRUeZ (ORCPT + 99 others); Fri, 18 Dec 2020 15:34:25 -0500 Received: from hqnvemgate25.nvidia.com ([216.228.121.64]:2456 "EHLO hqnvemgate25.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727843AbgLRUeZ (ORCPT ); Fri, 18 Dec 2020 15:34:25 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Fri, 18 Dec 2020 12:33:44 -0800 Received: from [10.26.73.104] (172.20.145.6) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 18 Dec 2020 20:33:40 +0000 Subject: Re: [PATCH] gcc-plugins: simplify GCC plugin-dev capability test To: Linus Torvalds CC: Marek Szyprowski , Masahiro Yamada , Linux Kbuild mailing list , Kees Cook , "Emese Revfy" , , "Nathan Chancellor" , Nick Desaulniers , clang-built-linux , Linux Kernel Mailing List , linux-tegra References: <20201203125700.161354-1-masahiroy@kernel.org>

<9f959875-1a30-b1a1-b626-3805e24a6df3@samsung.com> <25030057-86b1-5619-25fd-acfa0728b850@samsung.com> <4ab4f62f-8b37-01e1-f81c-270155b13a51@nvidia.com> <7e691a61-bf4b-0594-8d6d-36d62a5def0b@nvidia.com> From: Jon Hunter Message-ID: <95ce88c6-59bd-55b9-9299-51fa20aeb95c@nvidia.com> Date: Fri, 18 Dec 2020 20:33:37 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [172.20.145.6] X-ClientProxiedBy: HQMAIL107.nvidia.com (172.20.187.13) To HQMAIL107.nvidia.com (172.20.187.13) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1608323624; bh=Vkw+uLqloTF34H+X6XM+h7o523zkguJSKp2ANgZpfIM=; h=Subject:To:CC:References:From:Message-ID:Date:User-Agent: MIME-Version:In-Reply-To:Content-Type:Content-Language: Content-Transfer-Encoding:X-Originating-IP:X-ClientProxiedBy; b=Pok/cBh0wN8IAVvzeF5jEn57A5ob4lQ1P0qK2Bdc2cm6N1/z37Qv7pfizvNmSoPOh zmWAyonWTbySw/djJhHH7OYkSRAQJqhYXqJizNSFs5P7zbFyIPWPVkodGEXhKNwC54 k0/10wuhaKlZ8mYM8E7wSbu2yx3tdnAnTlDAeiLQerZK192CPRJG02/nNWko2zHkb9 spqvrpQBWAdonaLDuNtUEyLSlj91WLKZbPGK4t+kB8TljXisxsoh6nAzclRnvHEqz5 I9+U5YlOOEFDyVDP4IY9LvX3A0+zc+eO9iX3NWBgaEeWgcj1E72ufVLx1XdCrU/zyr Y6j+R7r179QTg== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/12/2020 17:54, Linus Torvalds wrote: > On Fri, Dec 18, 2020 at 7:33 AM Jon Hunter wrote: >> >> However, if you are saying that this is a problem/bug with our builders, >> then of course we will have to get this fixed. > > This seems to be a package dependency problem with the gcc plugins - > they clearly want libgmp, but apparently the package hasn't specified > that dependency. > > If this turns out to be a big problem, I guess we can't simplify the > plugin check after all. > > We historically just disabled gcc-plugins if that header didn't build, > which obviously meant that it "worked" for people, but it also means > that clearly the coverage can't have been as good as it could/should > be. > > So if it's as simple as just installing the GNU multiprecision > libraries ("gmp-devel" on most rpm-based systems, "libgmp-dev" on most > debian systems), then I think that's the right thing to do. You'll get > a working build again, and equally importantly, your build servers > will actually do a better job of covering the different build options. Thanks. I have reported this issue to the team that administers the builders. So hopefully, they will install the necessary packages for us now. Cheers Jon -- nvpublic