From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762892AbcINWYZ (ORCPT ); Wed, 14 Sep 2016 18:24:25 -0400 Received: from mga05.intel.com ([192.55.52.43]:45207 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751168AbcINWYY (ORCPT ); Wed, 14 Sep 2016 18:24:24 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.30,336,1470726000"; d="gz'50?scan'50,208,50";a="1030118796" Date: Thu, 15 Sep 2016 06:23:35 +0800 From: kbuild test robot To: Kyle Huey Cc: kbuild-all@01.org, "Robert O'Callahan" , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , Al Viro , Anna Schumaker , David Howells , "Dmitry V. Levin" , Eric B Munson , Andy Lutomirski , Peter Zijlstra , "Michael S. Tsirkin" , Jiri Slaby , Andrey Ryabinin , Paul Gortmaker , Borislav Petkov , Dmitry Vyukov , Dave Hansen , "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" Subject: Re: [PATCH v2 1/3] syscalls,x86 Expose arch_prctl on x86-32. Message-ID: <201609150650.oV0BdgSc%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="lrZ03NoBR/3+SXJZ" Content-Disposition: inline In-Reply-To: <1473886902-17902-2-git-send-email-khuey@kylehuey.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --lrZ03NoBR/3+SXJZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Kyle, [auto build test WARNING on linus/master] [also build test WARNING on v4.8-rc6] [cannot apply to tip/x86/core next-20160914] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base= (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Kyle-Huey/syscalls-x86-Expose-arch_prctl-on-x86-32/20160915-052851 config: i386-tinyconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): arch/x86/kernel/process.c: In function 'do_arch_prctl': >> arch/x86/kernel/process.c:578:6: warning: unused variable 'cpu' [-Wunused-variable] int cpu; ^~~ >> arch/x86/kernel/process.c:577:6: warning: unused variable 'is_32' [-Wunused-variable] int is_32 = IS_ENABLED(CONFIG_IA32_EMULATION) && test_thread_flag(TIF_IA32); ^~~~~ >> arch/x86/kernel/process.c:576:6: warning: unused variable 'doit' [-Wunused-variable] int doit = task == current; ^~~~ vim +/cpu +578 arch/x86/kernel/process.c 570 return 0; 571 } 572 573 long do_arch_prctl(struct task_struct *task, int code, unsigned long arg2) 574 { 575 int ret = 0; > 576 int doit = task == current; > 577 int is_32 = IS_ENABLED(CONFIG_IA32_EMULATION) && test_thread_flag(TIF_IA32); > 578 int cpu; 579 580 switch (code) { 581 #ifdef CONFIG_X86_64 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --lrZ03NoBR/3+SXJZ Content-Type: application/octet-stream Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICEfM2VcAAy5jb25maWcAjDxbc9s2s+/9FZz2PLQzp7nYjj93zvgBAkEJFUEyBCjJfuEo MpNoakv+dGmTf392AUq8LZR2JlMLu7jufbHgLz/9ErDjYfuyPKxXy+fn78GXalPtlofqKfi8 fq7+LwjTIElNIEJp3gByvN4cv71dX9/dBjdv7t68+323ug2m1W5TPQd8u/m8/nKE3uvt5qdf AJunSSTH5e3NSJpgvQ8220Owrw4/1e2Lu9vy+ur+e+t380Mm2uQFNzJNylDwNBR5A0wLkxWm jNJcMXP/c/X8+frqd1zVzycMlvMJ9Ivcz/ufl7vV17ff7m7fruwq93YP5VP12f0+94tTPg1F Vuoiy9LcNFNqw/jU5IyLIUypovlhZ1aKZWWehCXsXJdKJvd3l+Bscf/+lkbgqcqY+eE4HbTO cIkQYanHZahYGYtkbCbNWsciEbnkpdQM4UPAZC7keGL6u2MP5YTNRJnxMgp5A83nWqhywSdj FoYli8dpLs1EDcflLJajnBkBNIrZQ2/8CdMlz4oyB9iCgjE+EWUsE6CFfBQNhl2UFqbIykzk dgyWi9a+7GGcQEKN4Fckc21KPimSqQcvY2NBo7kVyZHIE2Y5NUu1lqNY9FB0oTMBVPKA5ywx 5aSAWTIFtJrAmikMe3gstpgmHg3msFypyzQzUsGxhCBDcEYyGfswQzEqxnZ7LAbG70giSGYZ s8eHcqx93YssT0eiBY7kohQsjx/gd6lEi+5upjwNmWlRIxsbBqcBbDkTsb6/arCjkzhKDfL9 9nn96e3L9un4XO3f/k+RMCWQNwTT4u2bngDL/GM5T/MWkUaFjEM4ElGKhZtPO+m1OmpsFd4z 6qXjK7ScOuXpVCQl7EOrrK2VpClFMoOTwMUpae6vz8vmOZDXSqIEEv/8c6MB67bSCE0pQjh7 Fs9EroGFOv3agJIVJiU6W56fAgeKuBw/yqwnDTVkBJArGhQ/tiW/DVk8+nqkPsANAM7Lb62q vfA+3K7tEgKukNh5e5XDLunlEW+IAYHvWBGDKKbaIJPd//zrZrupfmtRRD/omcw4ObajP/B9 mj+UzIDBmJB40YQlYSxIWKEFaEYfma38sQKMMawDWCM+cTFwfbA/ftp/3x+ql4aLz/odhMIK K6H6AaQn6bzF49AClpWDAjET0J5hR4PojOVaIFLTxtFq6rSAPqCpDJ+EaV/ntFG6SqANmYFZ CNEqxAyV7QOPiRVbUZ41B9A3LTgeKJTE6ItAtKYlC/8stCHwVIr6DddyOmKzfql2e+qUJ49o KmQaSt7mxCRFiPRR2oJJyARMLug3bXea6zaOc6uy4q1Z7v8KDrCkYLl5CvaH5WEfLFer7XFz WG++NGszkk+dHeQ8LRLjaHmeCmltz7MBD6bLeRHo4a4B96EEWHs4+AlKFg6D0nK6h2yYnmrs Qh4CDgU+Vxyj8lRpQiKZXAiLaR0z7zi4JJAZUY7S1JBY1kaA95Rc0aItp+4Pn2AW4K060wKe SejYrL1XPs7TItO02pgIPs1SCRYeiG7SnN6IGxmNgB2L3iw6U/QG4ymot5k1YHlIr4OfXQeU f+Rp62An3ZP1YHcdMZaAwZIJeO26ZykKGb5vufkoxiYGCnGRWQ/KUrLXJ+M6m8KCYmZwRQ3U 8Vr7oBXobwlKNKfPEBwnBWxX1tqDRnrQkb6IMQWAflA0ObMcKDn1cNmY7tLdH90XnJ0yKjwr igojFiREZKlvn3KcsDiimcGqHg/M6k8PbJRFlw93AvaRhDBJW2wWziRsvR6UPnMkuDXdnlXB nCOW57LLFqftYBgQirDPdDBkebYjVhPWgW5W7T5vdy/LzaoKxN/VBlQvAyXMUfmCiWhUZHeI 82pqtxuBsPBypqz3TS58plz/0mrnnjHouJcY/OU02+mYjTyAgnI1dJyO2uuFozcQ1qHZLsEZ lZHkNtrxsH8aybhnR9rnmjqMloyfWspEScd47dn/LFQG/sBI0AxVByG0IcX5bPYBYlHgdtSf nAutfWsTEexN4nlDkNHp0XNnkG5oM8AIliM9Z32vW4IWx9AcFmd6oGk/anKtuTAkAJQs3cG1 YoQSUToTzrLXYhduUSdpOu0BMTsAv40cF2lBOE4QBVlXpnYJifAUwskHcJrRQbMa1mZverPk YqzBNoQum1Ifbcmy/lJxNdDqJKUHm8yB0QVzFrMHU3IBFGvA2s7Yt0CgLKDdFHkCTpgBdm6n lvqyTxykhRIDnyQ6r7cXFqrPF/a0Go4e5DYc4UrNIgE+aIaZlN4IdasLDT2wMC08SQYIXUrn wJ/CTWJ9WnDUKBDOx2ZwNGMw/FlcjGXS0WmtZp9wAYY9F5QJwcHP6ThIfSDtcnRxgHyJuDgK kqmIGe0NDLGBaVO/5nLHKM0EhN5ROMohSuyzAeFTeyQxwWBK1LkfTMO0UoppWMQg3qhoRIzs NmQW7SAgT6kapsGGecYegliAXiTFudvrrkvFNHuoe5Um7vBAMy2sjQ59MdE4KqzIUwSOgZ7g 6fDpnOVha70pOOfgrtRptOsBgNk8cYcTIOSBCKtR6FE0DKTGPJ39/mm5r56Cv5xpf91tP6+f OxHU+bARuzyZqk7o6QSj1pROk04EEraVhEL3TaOlv3/f8ksclYmjONHfRjgx6Osia29vhAEG 0c1m/GCiDFi0SBCpG6nXcEs9B78EI/vOc4ykPJ3bwG7vbuqQmRQtRa7mPQzk94+FKDBnDZuw uQE/Sj4/ITSeMBzYY9fPs7TOdttVtd9vd8Hh+6uLmj9Xy8NxV+3bdxWPyIFhN93UOEKKDrsw XRoJBhYF1DdqBD8W5jVOqJgNpFHHwNeR9MgQjiMWBgQBc9SXYoY6jStzSU/jQkqghHGarLRG 0xM7TR7AvoErDmpyXNB5TBA4jLBd5rdh8pu7W9or/3ABYDTtESNMqQUlMrf2/qjBBF0BsaCS kh7oDL4Mp4/2BL2hoVPPxqb/8bTf0e08L3RK5wOU1W3C44aruUz4BMy9ZyE1+NoXL8XMM+5Y QFA/Xry/AC1jOhRV/CGXC+95zyTj1yWdCLZAz9lx8LU9vVDNeCWjVtiei0krCJjAqG+b9ERG 5v5DGyV+34N1hs/AVICo09kTREA9ZpFsAkgXrbwGgkEAug21d3d7029OZ90WJROpCmVtYAQe efzQXbf1qrmJle64YLAUdMfRDRIx+EOUgYYRQYfbw2nZv1OzpW/nSvcEYSok0EGEWJEPAdY1 UgLCTWqsQnHX3qimTBgXOJLEDhXlbCT2ck+DOT7vXwiVmYFTeWqfpTF4cyynE2w1lpfb8BAy Ses0S7Qunzib1Uo0vGw368N251yTZtZWoAJnDAp87jkEy7ACPKWHcqY8etcLMCmw+Ig2ivKO zjrghLlAexDJhS/3CU4AcB1Imf9ctH8/QD8ZUqRNMYXeM0N10w2dgquhtzeU9z9TOovBSF53 cudNKwbpngN1KFf0pA34hyO8p9ZlL6ZT8GyFuX/3jb9z//XUEKP0j3WkIvAdYM+lSBhxZW3D RD/YqojTZRd4q219IGPktPjkTuC1TiHu353zS5f6nhalWFLYALfxVs4rcjBiW3Xn7mil1eKu Xyseb4aDWM7IlrJ1qQShRl0Xt9NcD9oe0JWcSM0hdml378ZHtYMEKjRK7SBUAs6SPDN2Iquk bnrJPu7Pv00eQBWEYV4ab+HNTOagL1OMxDpXp1oRyKdLURsUujuzML+/effHbfseZhjLUnLZ rqqYdqSTx4Il1prSobrHI3/M0pTOCz6OCtq3edTDfOvJ7a5DOFvDcMrh+YsnIpHnGKfYTJcT RrxeaW/Laik07xBKp1gbkOdF1qddR2FqcLIx4pvf37aIrkxOq0G7JpcC8KpJ2LA/brGmHNxZ 2mWrU0G0ynws3797RyVLHsurD+86nP9YXndRe6PQw9zDMP1oZZLjlSZ9LSMWgiIrioTkoI9A 0HPUlO/7ijIXmE6zN3iX+tuUMPS/6nWv8++zUNNXGFyFNjoe+ZgVdKCMHso4NNTlifMFtv9U uwB8geWX6qXaHGwEy3gmg+0rFtx1otg6UUIrCJpRdCQHc4KYBtGu+u+x2qy+B/vV8rnnflgP MxcfyZ7y6bnqI3tvwy0fo37QZzy888hiEQ4GHx33p00Hv2ZcBtVh9ea3jlvE6RijTj9RiRNX AVfnotsdPJEzMgEJSmNPeQhwDy1kiTAfPryjI6qMoznxi/aDjkaDAxLfqtXxsPz0XNkqzsA6 kYd98DYQL8fn5YBdRmCMlMFsIn2n58Ca5zKjzInL+6VFR/PVnbD50qBKeuJ8jOowge6dz2WQ ZOpUdPswB+cRVn+vwYUOd+u/3f1cU/m1XtXNQToUo8LdvU1EnPlCCzEzKos86RUDeplhTtMX MdjhI5mrOdhOV4RAokZzsAgs9CwCzdnc3u5Th9ZaK147hrmceTdjEcQs92SwgNtaaSA6c3Uq oAEhhpEkJ7ObbSysaDjVJrVCNubqIEM4lSgi8nmoBJ4sXTskU4Y+wTQiluGS3Vjgei5nBSem ru1t6OSaBitQ6/2KWgIQQD1g8pNciEh4nGpM/6Gl759Pc9Q5o/U0vyIXIwScoQr2x9fX7e7Q Xo6DlH9c88XtoJupvi33gdzsD7vji73J3n9d7qqn4LBbbvY4VAA6vwqeYK/rV/zzJD3s+VDt lkGUjRkomd3LP9AteNr+s3neLp8CV6x5wpWbQ/UcgLhaqjl5O8E0lxHRPEszorUZaLLdH7xA vtw9UdN48bev5+ywPiwPVaAaO/srT7X6ra88cH3n4Zqz5hOPB7CI7RWAF8iiohZNCAW9V2gy PJejaa5lzX0tqp/Nk5boVHTCJ2zzZbYV4+AIQpRfL2J4VyI3r8fDcMLGUiZZMWTLCVDCcoZ8 mwbYpeumYNXcv5NLi9q5cGRKkJLAgYGXK2BOSjaNobM3oKp8dSkAmvpgMlOydNWcnqT5/JJz nsx8Up7xu/9c334rx5mnKibR3A+EFY1d1OFPihkO/zy+IEQEvH/B5JjgipO091TN6Yx2w3Sm aMBED53QDMSBmDPLhjyKbfUDlq0t1Tz1clCTBavn7eqvPkBsrKsEbj6W3qJfDU4E1pCj52+P ECy5yrCm5bCF2arg8LUKlk9Pa/QYls9u1P2b9vKQNr1C3jNs7nH1MHdn48vYk2K0CBgi0i6V g7OZpxhm7q2inIhcMToyOZXzUlkKPWo/aHBaabtZr/aBXj+vV9tNMFqu/np9Xm46cQD0I0Yb QYg/GG60A2Oy2r4E+9dqtf4MzhpTI9ZxXXuZAWeZj8+H9efjZoX0Oemsp7MCb7ReFFqXiVaJ CMwhaBc0c08MegsQGF57u0+FyjweHYKVub3+w3OpAWCtfEEBGy0+vHt3eekYR/ruhgBsZMnU 9fWHBd4zsNBz14aIyqNkXGWF8fiBSoSSnZIlAwKNd8vXr8gohGCH3ctM52zwLPiVHZ/WW7DV 55vc3wZPzixytFu+VMGn4+fPYAPCoQ2IaKnEsoPY2pyYh9TKm5zsmGHK0FOmmxYJlZMuQFrS CZdlLI2B4BbCc8la5TcIHzwsw8Zz/cGEd+x5oYeBH7ZZp+2p661ge/b1+x4f+QXx8jsax6E4 4Gyg8Wh7k2YWvuBCzkgMhI5ZOPYop2JOH7tSHt4TSnszPYmAgEiEtKJzVWVyJOGkHwhKiJDx U/gIMW3RekhlQQ0VGr8O2omRclABoOSb/tig+Pub27v3dzWkkReDzw+YphcNjhkRLrnoVTGI gcg0z0PCsUrLk1IpFqHUma8ivPDItU0O+7zA2XoHq6CYB7vJFMjZHbaOlFa77X77+RBMvr9W u99nwZdjBf47If0gWONe8Wgn4XGqd6CCy8ahnkDEI864w22c3VL9ut5Yl6AnMNw26u1x17Ec p/Hjqc55Ke+uPrRqkaBVzAzROorDc2tDHaNEXGaSlhZwxK3rVnL1AwRlCvry+4xhFP3CQqga AeTMExTIeJTSOSuZKlV49XtevWwPFQZVFKtoI+ytjypzvHMe9n592X/pU0QD4q/avkEJ0g14 +evX3xq3oBednf0GveXkCopkIf0xNsxVes4ks5zXz3k2Z7owXqtrr7vow/SIYjanLmQYcP8Y dJdiizLJ2+VkMsOixF6Cs2WwwXG0Rb55GvsClkgN6YE2of0AaJDs8RkNdJ+zBSuv7hKFvj2t 6TtYYEVodgZHr5ymCbMY/hnRBeae6w7FhxaTuGKn1FLOhkqEbZ522/VTGw1CvTyVtMeXeCNM bTzRpb2aMZPBzDbp0vF9gD6DNVusQddTqiYcSoUIPdnHU4ISNuC7SgpFHJf5iNY0IQ9HzFfp lo5jcZ6CWC9EZo7zWgo4dHU3EKO16vOb9WoMJOQCQHRQIxaotQDNXeWmnuIEW+iJGD6DFGlb P+5JKVyASQcrvQ+VInah98ciNXQax0K4oXeNidZI35SebHWE9UgeWArOAPgRJVFDy5errz3/ Wg/ucZ2o7avj09beSDQEbSQXLIFvegvjExmHuaCVKz7r9WXh8TkXHcG5d/SXoWX/LrvxMuz/ gIs8A+DVhuUh936GRkri4ZHWz4y+QvDcfctpvz4h849RzMa65afaXq+79ebwl01fPL1UYEAb h/FsgbTGS+oYRW4GqqW+2r+/qUm5fXkF4vxun5UCVVd/7e1wK9e+o1xQd2eAxQy0pNnakRJE G7/ikeWCQ9zkeVXmUFVhP7MgyPJmV6WKo92/f3d101ahucxKplXpfZeHdc12BqZpdVskIAEY OKtR6nln5gpu5snFC5SITN8KvL7RbmfDx2BauC+dAM8ozLjQnNxDcseaJjEV5TRvPjqlvb1a 6R8V/dY7Su3LbsGmp+oNj7+Ibglwe/fqozOUe39/4lkFfuLuOwTpn45fvvRL2/CsbZ2z9tW6 9L5f4ScZbFGniU+Nu2HS0Z9wvt7Ue718MIExnMOQgifIhRncm5FC+xSKw5r50tAWCFFW4UnV OYy6qgoLUS5vxa4GFXsU29f/1GJPYN9Ilslw5z62nvSuwerrWCB3EEOEdXx1Gmay3HzpqBW0 ukUGowwfA7WmQCDo6cS9Jafzlx/JFGaLPRLgWRCqlL526cD7hWwOiEEUXn4PSlW8WtGBHTvg Z2EG6q53jDjDVIiMep2Px9gIUPDrvo5o9/8bvBwP1bcK/sD6iDfdComaPvUTi0v8hC+LPXG2 w5jPHRK+G51nzNDKy+Faf+uCsObp7LLLZQfA7NuFSU65nRiO7AdrgWnsQ0Mt4sj/HMNOCmx4 frXhceNPX4i6MOnUqZlLy5Ke8WttJ3+EoS9pudODx0sE5bkI8XUDI3wT/FwDra4t6Xxfc6i/ GoIfY7hkbn54xnYArHm+iPGvhvnBJyM+1p9HusT49XdSytxvE0/nXYo8T3NQCX8Kf+2mK7Qk cU4+yvl1qedTZFYtR0XCm48p9F9wnqHjnGWTf4UTZfYs+6906/e+5PvjLtA+m6TezNZgZV9K AgKHkK6HUlfEuYW6Z739d691RzdKA8QeKOFERjcakN+xN34/BbxfU+0PPQbHA7CiZz8fReco Grrgy0w/+43ssz4v3Cmw25uzWqKFBRc0Ef/fx9X0NgjD0L/UrpddIdDKG6MIQlV6QdvUQ0+T qvWwfz/boSEBO8fyTAnkw47j985qwQ8bUGRcH6YaJnnWs907Glol2ccGrGshF4gxnoPVkgOM 972SGGG0JcroqgBz8a4LVunzq7N2S3E0XRvp70Qk8kS7ClU0BQMbfbXPPhqZuhlERociOgKg 31qoTic8fd5lNf4zxm4kq+I4pvP+hNDU7a6IYYTOVYSVcfkHjgOMlhKFDpRex3gvP3auSl3R mHHF0QmVE07TWxqV+gnlbJNYX51cnD5NplVYHrOOA88raiqywu1/1WtkZZfjxrmqK0bQeYey FMPRiRuOdmjKcXN+3cyR4xLDvtrKmBueszZejDJXabfC+GFhGesMKLtvb5GYDt6mXpQ0+k86 ObCwiWFYbJpsPRsnzIsJBaKFi87CmERJoHtWG3oq2Q83PSn30cK6boE7X7h+P+633z8pyfFe DkpuqTR9C3bAtabsOMPOsyxpK6cHAup8i8EXbg/I1RPZfh5Qz+87PzUzOhoLELZDk1APPEVc jGmTCRdd5SWHOmsHwSe4Pcnt6/6J+/r7zwO96DVIQXk5EdvWphnGPZUm0psKiiNoUpW1gu6h fkp35iAIuDUGfG3wAlIvCwILzNdmTammgliXxrRmNAas3NuIbmUuHd1nt5sCZF9KMFgMTzV0 J5+PICKXklSQ812aZqGRqcesMjhp9zl6g8CXnSMaLnLbvaQjlvOFpHwT0JibN3GQdtRrIbHL XaIFNyZhsR8M9Sx9V/qgip4Dez4isHCK9UMwiFTesCjkLQtLK6oSWxOXSwOX7KVlmzs6y86g Fl6HHM/IvgvBfyVzfMjIWQAA --lrZ03NoBR/3+SXJZ--