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[2001:8b0:10b:1231::1]) by mx.google.com with ESMTPS id 5si5628903itv.110.2019.04.20.12.34.56 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 20 Apr 2019 12:34:56 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of rdunlap@infradead.org designates 2001:8b0:10b:1231::1 as permitted sender) client-ip=2001:8b0:10b:1231::1; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=merlin.20170209 header.b=mzwZvj05; spf=pass (google.com: best guess record for domain of rdunlap@infradead.org designates 2001:8b0:10b:1231::1 as permitted sender) smtp.mailfrom=rdunlap@infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=yBGAB8b1n3dFt3YiVQiw88D3yeUo9coqXwfyseTVuP8=; b=mzwZvj05wmRaDLh4JLHUh9hDwF s8L8iA3qot/dFziw+9hvQXQwPfastAs0EqxYFVKDs6NBq0z7nHKRCZVkUi2Sa2eYZngi6Op4SkFZv NqrB0fDDreHKatH9VA9DR/fRDYFA+z9GnN3XijRaant9BZ8vgFT6FDuV0RYux+kuss+CoyiSLjeKm uQU+jRzxBFEn3oDnmDXHTxepOk7cMPLn/97W3hxQVRCfO0W2xO6O5vuu9ts4vMphbUDYH5JQ7b+fK if1GHX4UxMYE5l4f0fmjWIhkdJieSYWDuwHIQjmm4N1SvF0yRQZhyUkg8qmOoQn9c9MBdKuseBXDE hwoRTgyw==; Received: from static-50-53-52-16.bvtn.or.frontiernet.net ([50.53.52.16] helo=dragon.dunlab) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hHvl2-00026T-6j; Sat, 20 Apr 2019 19:34:40 +0000 Subject: Re: arch/sh/kernel/cpu/sh2/clock-sh7619.o:undefined reference to `followparent_recalc' To: kbuild test robot Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List , paul.mundt@gmail.com, Yoshinori Sato , Rich Felker , Linux-sh list References: <201904201516.DdPznV5M%lkp@intel.com> From: Randy Dunlap Message-ID: Date: Sat, 20 Apr 2019 12:34:36 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <201904201516.DdPznV5M%lkp@intel.com> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 4/20/19 12:40 AM, kbuild test robot wrote: > Hi Randy, > > It's probably a bug fix that unveils the link errors. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 371dd432ab39f7bc55d6ec77d63b430285627e04 > commit: acaf892ecbf5be7710ae05a61fd43c668f68ad95 sh: fix multiple function definition build errors > date: 2 weeks ago > config: sh-allmodconfig (attached as .config) > compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout acaf892ecbf5be7710ae05a61fd43c668f68ad95 > # save the attached .config to linux build tree > GCC_VERSION=7.2.0 make.cross ARCH=sh Hi, Once again, the question is the validity of the SH2 .config file in this case (that was attached). I don't believe that it is valid because CONFIG_SH_DEVICE_TREE=y, which selects COMMON_CLK, and there is no followparent_recalc() in the COMMON_CLK API. Also, while CONFIG_HAVE_CLK=y, drivers/sh/Makefile prevents that from building clk/core.c, which could provide followparent_recalc(): ifneq ($(CONFIG_COMMON_CLK),y) obj-$(CONFIG_HAVE_CLK) += clk/ endif Hm, maybe that's where the problem is. I'll look into that more. It would be Good if someone from the SuperH area could/would comment. Thanks. > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot > > > All errors (new ones prefixed by >>): > >>> arch/sh/kernel/cpu/sh2/clock-sh7619.o:(.data+0x1c): undefined reference to `followparent_recalc' > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation > -- ~Randy