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19 Mar 2022 02:36:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,194,1643702400"; d="scan'208";a="647851897" Received: from lkp-server02.sh.intel.com (HELO 89b41b6ae01c) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 19 Mar 2022 02:36:15 -0700 Received: from kbuild by 89b41b6ae01c with local (Exim 4.92) (envelope-from ) id 1nVVVO-000Fq7-Uq; Sat, 19 Mar 2022 09:36:14 +0000 Date: Sat, 19 Mar 2022 17:35:22 +0800 From: kernel test robot To: Miguel Ojeda Cc: kbuild-all@lists.01.org, Linux Memory Management List , Alex Gaynor , Finn Behrens , Adam Bratschi-Kaye , Wedson Almeida Filho , Michael Ellerman , Sven Van Asbroeck , Gary Guo , Boris-Chengbiao Zhou , Boqun Feng , Douglas Su , Dariusz Sosnowski , Antonio Terceiro , Daniel Xu , Miguel Cano Subject: [linux-next:master 12729/13576] include/linux/random.h:29:39: error: use of undeclared identifier 'latent_entropy' Message-ID: <202203191758.OK7Yng81-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspam-User: X-Rspamd-Queue-Id: 640F72001A X-Stat-Signature: 718cufynipijr55jcnn4qmdzxjejhua5 Authentication-Results: imf31.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=lRjkwo2M; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf31.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 192.55.52.43) smtp.mailfrom=lkp@intel.com X-Rspamd-Server: rspam03 X-HE-Tag: 1647682581-511355 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: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6d72dda014a4753974eb08950089ddf71fec4f60 commit: e2e7cf27b58760b39038bcbf8e8f512dc2f9bf67 [12729/13576] Kbuild: add Rust support config: arm-randconfig-r031-20220319 (https://download.01.org/0day-ci/archive/20220319/202203191758.OK7Yng81-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=e2e7cf27b58760b39038bcbf8e8f512dc2f9bf67 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout e2e7cf27b58760b39038bcbf8e8f512dc2f9bf67 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm prepare If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): error: unknown argument: '-mapcs' error: unknown argument: '-mno-sched-prolog' >> include/linux/random.h:29:39: error: use of undeclared identifier 'latent_entropy' include/linux/random.h:30:17: error: use of undeclared identifier 'latent_entropy' error: unknown argument: '-mapcs', err: true error: unknown argument: '-mno-sched-prolog', err: true >> include/linux/random.h:29:39: error: use of undeclared identifier 'latent_entropy', err: true include/linux/random.h:30:17: error: use of undeclared identifier 'latent_entropy', err: true thread 'main' panicked at 'Unable to generate bindings: ()', /opt/cross/rustc-1.59.0-bindgen-0.56.0/cargo/registry/src/github.com-1ecc6299db9ec823/bindgen-0.56.0/src/main.rs:54:36 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace make[2]: *** [rust/Makefile:287: rust/bindings_generated.rs] Error 1 make[2]: *** Deleting file 'rust/bindings_generated.rs' error: unknown argument: '-mapcs', err: true error: unknown argument: '-mno-sched-prolog', err: true thread 'main' panicked at 'Unable to generate bindings: ()', /opt/cross/rustc-1.59.0-bindgen-0.56.0/cargo/registry/src/github.com-1ecc6299db9ec823/bindgen-0.56.0/src/main.rs:54:36 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace make[2]: *** [rust/Makefile:301: rust/bindings_helpers_generated.rs] Error 1 make[2]: *** Deleting file 'rust/bindings_helpers_generated.rs' make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1285: prepare] Error 2 make: *** [Makefile:226: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for TEGRA20_APB_DMA Depends on DMADEVICES && (ARCH_TEGRA || COMPILE_TEST Selected by - SOC_TEGRA_FUSE && ARCH_TEGRA && ARCH_TEGRA_2x_SOC vim +/latent_entropy +29 include/linux/random.h 38addce8b600ca Emese Revfy 2016-06-20 25 7e756f423af808 Vasily Gorbik 2019-05-07 26 #if defined(LATENT_ENTROPY_PLUGIN) && !defined(__CHECKER__) 38addce8b600ca Emese Revfy 2016-06-20 27 static inline void add_latent_entropy(void) 38addce8b600ca Emese Revfy 2016-06-20 28 { 38addce8b600ca Emese Revfy 2016-06-20 @29 add_device_randomness((const void *)&latent_entropy, 38addce8b600ca Emese Revfy 2016-06-20 30 sizeof(latent_entropy)); 38addce8b600ca Emese Revfy 2016-06-20 31 } 38addce8b600ca Emese Revfy 2016-06-20 32 #else 38addce8b600ca Emese Revfy 2016-06-20 33 static inline void add_latent_entropy(void) {} 38addce8b600ca Emese Revfy 2016-06-20 34 #endif 38addce8b600ca Emese Revfy 2016-06-20 35 :::::: The code at line 29 was first introduced by commit :::::: 38addce8b600ca335dc86fa3d48c890f1c6fa1f4 gcc-plugins: Add latent_entropy plugin :::::: TO: Emese Revfy :::::: CC: Kees Cook --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org