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[2607:7c80:54:e::133]) by mx.google.com with ESMTPS id i3si24837954pld.129.2019.04.07.12.08.43 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 07 Apr 2019 12:08:43 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of rdunlap@infradead.org designates 2607:7c80:54:e::133 as permitted sender) client-ip=2607:7c80:54:e::133; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20170209 header.b=kxrAwGML; spf=pass (google.com: best guess record for domain of rdunlap@infradead.org designates 2607:7c80:54:e::133 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=bombadil.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=G2HuIUYt3N6lA/ZPrsORZs6jP51jn2gGYsgbLEWVEXc=; b=kxrAwGMLKBNXLYQzFWySNWrWl hF9cL9d1h0qdGQXozGq5f4pn30JePgqze2BgU2eiYKekbKgaPCBVXksK1I+8njhZ3ZKkOXpaWDSuv a/GuAWC6Ih+bsonaZL+MfNjlquvHfNyKKMjJVaVAzjVyW2PhWd8/uYSnu7BRanksX1DOHHiB4whxn vfiunzzkNw52DiXWgxpJddCmXEmyA26PgFn9L3MxoaYKT4peTP0wjGfdlRfl80xOvmRW9FKf7pntU XHSbToe02RZZMoRg6lNhkkzW4UFk371LZRygQ5ytWbYLey1jntLyFN6pBs9DXRvN0jKzlHdqGyVeu CKgPubNCg==; Received: from static-50-53-52-16.bvtn.or.frontiernet.net ([50.53.52.16] helo=dragon.dunlab) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hDD9l-0001ZG-Fe; Sun, 07 Apr 2019 19:08:41 +0000 Subject: Re: [mmotm:master 227/248] lima_gem.c:undefined reference to `vmf_insert_mixed' To: kbuild test robot , Andrew Morton Cc: kbuild-all@01.org, Linux Memory Management List , Manfred Spraul , Johannes Weiner , lima@lists.freedesktop.org, dri-devel , Qiang Yu References: <201904061457.ZCY5n0Jo%lkp@intel.com> From: Randy Dunlap Message-ID: Date: Sun, 7 Apr 2019 12:08:39 -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: <201904061457.ZCY5n0Jo%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 4/5/19 11:47 PM, kbuild test robot wrote: > Hi Andrew, > > It's probably a bug fix that unveils the link errors. > > tree: git://git.cmpxchg.org/linux-mmotm.git master > head: b09c000f671826e6f073a7f89b266e4ac998952b > commit: 39a08f353e1f30f7ba2e8b751a9034010a99666c [227/248] linux-next-git-rejects > config: sh-allyesconfig (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 39a08f353e1f30f7ba2e8b751a9034010a99666c > # save the attached .config to linux build tree > GCC_VERSION=7.2.0 make.cross ARCH=sh > > All errors (new ones prefixed by >>): > > arch/sh/kernel/cpu/sh2/clock-sh7619.o:(.data+0x1c): undefined reference to `followparent_recalc' > drivers/gpu/drm/lima/lima_gem.o: In function `lima_gem_fault': >>> lima_gem.c:(.text+0x6c): undefined reference to `vmf_insert_mixed' vmf_insert_mixed() is only built for MMU configs, and the attached config does not set/enable MMU. Maybe this driver should depend on MMU, like several other drm drivers do. Also, lima_gem.c needs this line to be added to it: --- mmotm-2019-0405-1828.orig/drivers/gpu/drm/lima/lima_gem.c +++ mmotm-2019-0405-1828/drivers/gpu/drm/lima/lima_gem.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR MIT /* Copyright 2017-2019 Qiang Yu */ +#include #include #include -- ~Randy