From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CD4DE2C9D for ; Fri, 3 Dec 2021 23:40:28 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10187"; a="236888649" X-IronPort-AV: E=Sophos;i="5.87,284,1631602800"; d="scan'208";a="236888649" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Dec 2021 15:40:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,284,1631602800"; d="scan'208";a="603757862" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by fmsmga002.fm.intel.com with ESMTP; 03 Dec 2021 15:40:26 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mtIAD-000ICp-Co; Fri, 03 Dec 2021 23:40:25 +0000 Date: Sat, 4 Dec 2021 07:39:59 +0800 From: kernel test robot To: Mark Rutland Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [mark:arm64/preempt-dynamic-static-key 6/6] kernel/locking/locktorture.c:122:3: error: implicit declaration of function 'preempt_schedule' Message-ID: <202112040752.yaWl1AdY-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) tree: https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git arm64/preempt-dynamic-static-key head: d8d8c0b10c8545aedf353b146905a1e61e3176f5 commit: d8d8c0b10c8545aedf353b146905a1e61e3176f5 [6/6] arm64: support PREEMPT_DYNAMIC config: arm64-randconfig-r015-20211203 (https://download.01.org/0day-ci/archive/20211204/202112040752.yaWl1AdY-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d30fcadf07ee552f20156ea90be2fdb54cb9cb08) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/commit/?id=d8d8c0b10c8545aedf353b146905a1e61e3176f5 git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git git fetch --no-tags mark arm64/preempt-dynamic-static-key git checkout d8d8c0b10c8545aedf353b146905a1e61e3176f5 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash kernel/locking/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> kernel/locking/locktorture.c:122:3: error: implicit declaration of function 'preempt_schedule' [-Werror,-Wimplicit-function-declaration] torture_preempt_schedule(); /* Allow test to be preempted. */ ^ include/linux/torture.h:126:36: note: expanded from macro 'torture_preempt_schedule' #define torture_preempt_schedule() preempt_schedule() ^ kernel/locking/locktorture.c:122:3: note: did you mean 'preempt_schedule_irq'? include/linux/torture.h:126:36: note: expanded from macro 'torture_preempt_schedule' #define torture_preempt_schedule() preempt_schedule() ^ include/linux/sched.h:291:17: note: 'preempt_schedule_irq' declared here asmlinkage void preempt_schedule_irq(void); ^ kernel/locking/locktorture.c:170:3: error: implicit declaration of function 'preempt_schedule' [-Werror,-Wimplicit-function-declaration] torture_preempt_schedule(); /* Allow test to be preempted. */ ^ include/linux/torture.h:126:36: note: expanded from macro 'torture_preempt_schedule' #define torture_preempt_schedule() preempt_schedule() ^ kernel/locking/locktorture.c:349:3: error: implicit declaration of function 'preempt_schedule' [-Werror,-Wimplicit-function-declaration] torture_preempt_schedule(); /* Allow test to be preempted. */ ^ include/linux/torture.h:126:36: note: expanded from macro 'torture_preempt_schedule' #define torture_preempt_schedule() preempt_schedule() ^ kernel/locking/locktorture.c:524:3: error: implicit declaration of function 'preempt_schedule' [-Werror,-Wimplicit-function-declaration] torture_preempt_schedule(); /* Allow test to be preempted. */ ^ include/linux/torture.h:126:36: note: expanded from macro 'torture_preempt_schedule' #define torture_preempt_schedule() preempt_schedule() ^ kernel/locking/locktorture.c:564:3: error: implicit declaration of function 'preempt_schedule' [-Werror,-Wimplicit-function-declaration] torture_preempt_schedule(); /* Allow test to be preempted. */ ^ include/linux/torture.h:126:36: note: expanded from macro 'torture_preempt_schedule' #define torture_preempt_schedule() preempt_schedule() ^ kernel/locking/locktorture.c:591:3: error: implicit declaration of function 'preempt_schedule' [-Werror,-Wimplicit-function-declaration] torture_preempt_schedule(); /* Allow test to be preempted. */ ^ include/linux/torture.h:126:36: note: expanded from macro 'torture_preempt_schedule' #define torture_preempt_schedule() preempt_schedule() ^ 6 errors generated. vim +/preempt_schedule +122 kernel/locking/locktorture.c e086481baf9d04 Paul E. McKenney 2014-02-11 112 e086481baf9d04 Paul E. McKenney 2014-02-11 113 static void torture_lock_busted_write_delay(struct torture_random_state *trsp) e086481baf9d04 Paul E. McKenney 2014-02-11 114 { 61d49d2f9888ac Paul E. McKenney 2015-04-01 115 const unsigned long longdelay_ms = 100; e086481baf9d04 Paul E. McKenney 2014-02-11 116 e086481baf9d04 Paul E. McKenney 2014-02-11 117 /* We want a long delay occasionally to force massive contention. */ e086481baf9d04 Paul E. McKenney 2014-02-11 118 if (!(torture_random(trsp) % 61d49d2f9888ac Paul E. McKenney 2015-04-01 119 (cxt.nrealwriters_stress * 2000 * longdelay_ms))) 61d49d2f9888ac Paul E. McKenney 2015-04-01 120 mdelay(longdelay_ms); 630952c22b04ad Davidlohr Bueso 2014-09-11 121 if (!(torture_random(trsp) % (cxt.nrealwriters_stress * 20000))) cc1321c96f8555 Paul E. McKenney 2017-10-16 @122 torture_preempt_schedule(); /* Allow test to be preempted. */ e086481baf9d04 Paul E. McKenney 2014-02-11 123 } e086481baf9d04 Paul E. McKenney 2014-02-11 124 :::::: The code at line 122 was first introduced by commit :::::: cc1321c96f855525fbd847fec130f000daa1bb1f torture: Reduce #ifdefs for preempt_schedule() :::::: TO: Paul E. McKenney :::::: CC: Paul E. McKenney --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org