From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f70.google.com (mail-pg0-f70.google.com [74.125.83.70]) by kanga.kvack.org (Postfix) with ESMTP id BBC106B0390 for ; Wed, 29 Mar 2017 21:12:15 -0400 (EDT) Received: by mail-pg0-f70.google.com with SMTP id u202so27314921pgb.9 for ; Wed, 29 Mar 2017 18:12:15 -0700 (PDT) Received: from mga04.intel.com (mga04.intel.com. [192.55.52.120]) by mx.google.com with ESMTPS id c7si479905pgn.352.2017.03.29.18.12.14 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 29 Mar 2017 18:12:14 -0700 (PDT) Date: Thu, 30 Mar 2017 09:11:56 +0800 From: kbuild test robot Subject: [linux-next:master 5963/5971] futex.c:undefined reference to `__arch_atomic_add_unless' Message-ID: <201703300952.VVHcc8hB%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="EeQfGwPcQSOJBaQU" 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 --EeQfGwPcQSOJBaQU 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: 8f8ab14f4414e1be0e7c23036017e3e3130ba7cd commit: 2ef5da008877ad2222e9a8964d39cf50fd2236d7 [5963/5971] x86-atomic-move-__atomic_add_unless-out-of-line-fix config: um-alldefconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 2ef5da008877ad2222e9a8964d39cf50fd2236d7 # save the attached .config to linux build tree make ARCH=um All errors (new ones prefixed by >>): kernel/built-in.o: In function `get_task_cred': (.text+0x23d34): undefined reference to `__arch_atomic_add_unless' kernel/built-in.o: In function `atomic_dec_and_mutex_lock': (.text+0x2f166): undefined reference to `__arch_atomic_add_unless' kernel/built-in.o: In function `get_pi_state': >> futex.c:(.text+0x4b1c1): undefined reference to `__arch_atomic_add_unless' kernel/built-in.o: In function `get_futex_key': futex.c:(.text+0x4ba2a): undefined reference to `__arch_atomic_add_unless' mm/built-in.o: In function `oom_reaper': >> oom_kill.c:(.text+0x4b36): undefined reference to `__arch_atomic_add_unless' mm/built-in.o:(.text+0x10e01): 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 --EeQfGwPcQSOJBaQU Content-Type: application/gzip Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICHZa3FgAAy5jb25maWcAlVtbc9s4sn6fX8HKvMxUbRLf1pucU36ASFDEiiQYANQlLyxF oh1VbEmry2zy7083IIkgCejsviQ2ugECje6vL2j//tvvATkeNm/zw2oxf339FbzU63o3P9TL 4Hn1Wv9vEPEg5yqgEVMfgLnc17sg2yzrIF2tjz8//vz0GDx8uL39cPN+t3gIRvVuXb8G4Wb9 vHo5wjqrzfq3338LeR6zYVVm6dOv8y9ZVja/5LxiPKNZM6IECWnFxJc4JUNZybIouFANPeXh KKJFnyAVCUdmdo82pDkVLKxCkrKBIIpWEU3JrGFIvj7d3tz8BluGo2bp+/22XqyeV4tgs8Wj 7IGgaclmfwi2u82i3u83u+Dwa1sH8zXIrJ4fjrt6r5nOBx19Clb7YL05BPv6YI0XMnQTQi7o nZtEFM9sSvdghSXU6afHiuWKipxHFM4cJiCShMXq6dFmSW/9NCXD9nphVkzDZPj40B3m4/ZI xnKWlRnuqIpJxtLZ0+PDmQEH4XL07iyVOA+TLOoPhjRXpBQNAe4Hv9QMPD4MGF72RVq4j/s7 h7iQYB+BiDABVYjNr0/v5rvF94/Ht48Lrcd71HLgr5b1sxl5d54oJpJmFUqERFFF0iEXTCWZ 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