Messages in this thread | | | Date | Sat, 12 Mar 2022 10:48:52 +0800 | From | kernel test robot <> | Subject | [ammarfaizi2-block:crng/random/jd/vmid-poll 61/61] drivers/char/random.c:1182:17: error: implicit declaration of function 'proc_sys_poll_notify'; did you mean 'proc_sys_poll_event'? |
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tree: https://github.com/ammarfaizi2/linux-block crng/random/jd/vmid-poll head: 28f8622d20d2c090711dbb8bee93bd00a8bc0cd6 commit: 28f8622d20d2c090711dbb8bee93bd00a8bc0cd6 [61/61] random: add vm_id sysctl for polling config: ia64-randconfig-r016-20220310 (https://download.01.org/0day-ci/archive/20220312/202203121041.K4onshgj-lkp@intel.com/config) compiler: ia64-linux-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://github.com/ammarfaizi2/linux-block/commit/28f8622d20d2c090711dbb8bee93bd00a8bc0cd6 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block crng/random/jd/vmid-poll git checkout 28f8622d20d2c090711dbb8bee93bd00a8bc0cd6 # 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=ia64 SHELL=/bin/bash drivers/char/
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 >>):
In file included from arch/ia64/include/asm/pgtable.h:153, from include/linux/pgtable.h:6, from arch/ia64/include/asm/uaccess.h:40, from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from include/linux/rcuwait.h:6, from include/linux/percpu-rwsem.h:7, from include/linux/fs.h:33, from include/linux/poll.h:10, from drivers/char/random.c:38: arch/ia64/include/asm/mmu_context.h: In function 'reload_context': arch/ia64/include/asm/mmu_context.h:127:48: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable] 127 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; | ^~~~~~~ drivers/char/random.c: In function 'add_vmfork_randomness': >> drivers/char/random.c:1182:17: error: implicit declaration of function 'proc_sys_poll_notify'; did you mean 'proc_sys_poll_event'? [-Werror=implicit-function-declaration] 1182 | proc_sys_poll_notify(&sysctl_vmid_poll); | ^~~~~~~~~~~~~~~~~~~~ | proc_sys_poll_event cc1: some warnings being treated as errors
vim +1182 drivers/char/random.c
1167 1168 /* 1169 * Handle a new unique VM ID, which is unique, not secret, so we 1170 * don't credit it, but we do immediately force a reseed after so 1171 * that it's used by the crng posthaste. 1172 */ 1173 void add_vmfork_randomness(const void *unique_vm_id, size_t size) 1174 { 1175 add_device_randomness(unique_vm_id, size); 1176 if (crng_ready()) { 1177 crng_reseed(true); 1178 pr_notice("crng reseeded due to virtual machine fork\n"); 1179 } 1180 blocking_notifier_call_chain(&vmfork_chain, 0, NULL); 1181 if (IS_ENABLED(CONFIG_SYSCTL)) > 1182 proc_sys_poll_notify(&sysctl_vmid_poll); 1183 } 1184 #if IS_MODULE(CONFIG_VMGENID) 1185 EXPORT_SYMBOL_GPL(add_vmfork_randomness); 1186 #endif 1187
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