lkml.org 
[lkml]   [2022]   [Feb]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subject[mingo-tip:sched/headers 2300/2324] drivers/hwtracing/coresight/coresight-syscfg.c:383:8: error: implicit declaration of function 'try_module_get'
tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head: 7d9efc989eceed6a8fa475a186880ec4a1ad54a3
commit: b6ac2dbb891219be5e264504adb69b35c95647a8 [2300/2324] headers/deps: driver/core: Optimize <linux/device/driver.h> dependencies, remove <linux/module.h> inclusion
config: arm64-randconfig-r012-20220221 (https://download.01.org/0day-ci/archive/20220223/202202230454.RRWaaMcG-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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/mingo/tip.git/commit/?id=b6ac2dbb891219be5e264504adb69b35c95647a8
git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
git fetch --no-tags mingo-tip sched/headers
git checkout b6ac2dbb891219be5e264504adb69b35c95647a8
# 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 drivers/hwtracing/coresight/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/hwtracing/coresight/coresight-syscfg.c:383:8: error: implicit declaration of function 'try_module_get' [-Werror,-Wimplicit-function-declaration]
(!try_module_get(owner_info->owner_handle)))
^
>> drivers/hwtracing/coresight/coresight-syscfg.c:392:3: error: implicit declaration of function 'module_put' [-Werror,-Wimplicit-function-declaration]
module_put(owner_info->owner_handle);
^
2 errors generated.


vim +/try_module_get +383 drivers/hwtracing/coresight/coresight-syscfg.c

a13d5a246aca17c Mike Leach 2021-08-18 374
eb2ec49606c2a02 Mike Leach 2021-11-24 375 /*
eb2ec49606c2a02 Mike Leach 2021-11-24 376 * Conditionally up reference count on owner to prevent unload.
eb2ec49606c2a02 Mike Leach 2021-11-24 377 *
eb2ec49606c2a02 Mike Leach 2021-11-24 378 * module loaded configs need to be locked in to prevent premature unload.
eb2ec49606c2a02 Mike Leach 2021-11-24 379 */
eb2ec49606c2a02 Mike Leach 2021-11-24 380 static int cscfg_owner_get(struct cscfg_load_owner_info *owner_info)
eb2ec49606c2a02 Mike Leach 2021-11-24 381 {
eb2ec49606c2a02 Mike Leach 2021-11-24 382 if ((owner_info->type == CSCFG_OWNER_MODULE) &&
eb2ec49606c2a02 Mike Leach 2021-11-24 @383 (!try_module_get(owner_info->owner_handle)))
eb2ec49606c2a02 Mike Leach 2021-11-24 384 return -EINVAL;
eb2ec49606c2a02 Mike Leach 2021-11-24 385 return 0;
eb2ec49606c2a02 Mike Leach 2021-11-24 386 }
eb2ec49606c2a02 Mike Leach 2021-11-24 387
eb2ec49606c2a02 Mike Leach 2021-11-24 388 /* conditionally lower ref count on an owner */
eb2ec49606c2a02 Mike Leach 2021-11-24 389 static void cscfg_owner_put(struct cscfg_load_owner_info *owner_info)
eb2ec49606c2a02 Mike Leach 2021-11-24 390 {
eb2ec49606c2a02 Mike Leach 2021-11-24 391 if (owner_info->type == CSCFG_OWNER_MODULE)
eb2ec49606c2a02 Mike Leach 2021-11-24 @392 module_put(owner_info->owner_handle);
eb2ec49606c2a02 Mike Leach 2021-11-24 393 }
eb2ec49606c2a02 Mike Leach 2021-11-24 394

:::::: The code at line 383 was first introduced by commit
:::::: eb2ec49606c2a02d6382d56a0e19f34e515fde3f coresight: syscfg: Update load API for config loadable modules

:::::: TO: Mike Leach <mike.leach@linaro.org>
:::::: CC: Mathieu Poirier <mathieu.poirier@linaro.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

\
 
 \ /
  Last update: 2022-02-22 22:08    [W:0.045 / U:0.684 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site