From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f72.google.com (mail-pg0-f72.google.com [74.125.83.72]) by kanga.kvack.org (Postfix) with ESMTP id 0251C6B0038 for ; Wed, 22 Mar 2017 17:02:43 -0400 (EDT) Received: by mail-pg0-f72.google.com with SMTP id 79so281835064pgf.2 for ; Wed, 22 Mar 2017 14:02:42 -0700 (PDT) Received: from mga14.intel.com (mga14.intel.com. [192.55.52.115]) by mx.google.com with ESMTPS id u10si3101984plu.58.2017.03.22.14.02.41 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Mar 2017 14:02:41 -0700 (PDT) Date: Thu, 23 Mar 2017 05:02:07 +0800 From: kbuild test robot Subject: [linux-next:master 4332/4339] fork.c:undefined reference to `__arch_atomic_add_unless' Message-ID: <201703230503.EVDd8pHF%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="/04w6evG8XlLl3ft" Content-Disposition: inline Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: kbuild-all@01.org, Linux Memory Management List , Andi Kleen --/04w6evG8XlLl3ft Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Andrew, It's probably a bug fix that unveils the link errors. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f921b263d9602fb7873710c2df70671f2ffcf658 commit: 0585aae2b6b48d94a903a1e4d51751204a46ea61 [4332/4339] x86-atomic-move-__atomic_add_unless-out-of-line-fix config: um-allnoconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 0585aae2b6b48d94a903a1e4d51751204a46ea61 # save the attached .config to linux build tree make ARCH=um All errors (new ones prefixed by >>): kernel/built-in.o: In function `copy_process.isra.10.part.11': >> fork.c:(.text+0xf59): undefined reference to `__arch_atomic_add_unless' kernel/built-in.o: In function `get_mm_exe_file': >> (.text+0x1818): undefined reference to `__arch_atomic_add_unless' kernel/built-in.o: In function `get_task_exe_file': (.text+0x1878): undefined reference to `__arch_atomic_add_unless' kernel/built-in.o: In function `get_task_cred': (.text+0x18383): undefined reference to `__arch_atomic_add_unless' kernel/built-in.o: In function `prepare_kernel_cred': (.text+0x186cd): undefined reference to `__arch_atomic_add_unless' kernel/built-in.o:(.text+0x2137d): more undefined references to `__arch_atomic_add_unless' follow collect2: error: ld returned 1 exit status --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --/04w6evG8XlLl3ft Content-Type: application/gzip Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICC7l0lgAAy5jb25maWcAjVtbc9u2En7vr+CkL+3MSeJb3fSc8QMEgiIqkmAAUJe8cBSJ djSxJY8ubfzvzwKgREpcsH1JbC4IAovdb79drH/+6eeAHPabl/l+tZg/P78FT9W62s731TJ4 XD1X/wtCEWRCByzk+gMMLnbVNkg3yypIVuvDj48/Pt0Hdx+urz9cvd8uboJRtV1XzwHdrB9X TweYZ7VZ//TzT1RkER+WRZo8vB1/SdOi+SUTJRcpS5snWhLKSi4/RwkZqlIVeS6kbuSJoKOQ 5V2B0oSO3Nsd2ZBlTHJaUpLwgSSalSFLyKwZEH95uL66+gmWDFtNk/e712qxelwtgs2r2coO BFYWb3b74HW7WVS73WYb7N9eq2C+Bp1V8/1hW+3soONG70BHq12w3uyDXbVvCX7rEWhFvbI0 nbZlR8n9p3vYSTMyZ5nmRco5PtFJ3C9Pe6V3uHTk2djod8/zT/hzKgslGC5jUcQpExkunfCM xjynnoXU4tvQM3dCPPMOmQjZcHrdIy2TqWc3M8mnXn2POaG35Y1f6NEdFZJ53iJa4Mc3/XR/ dAbEkoyUZ5rJzOyGEhqDL8U80g+/tYck1xeys+nzXIoyYhllni8UirlBMAUdqaLl/EYMDnD+ 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