tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers head: 351bfbf7f1e8dce84b605c8007c98dd603c4ca4d commit: 61ea5a6fab5c8fae043a02a100970041dc6a877e [2357/2380] headers/deps: delay: Optimize <linux/delay.h> dependencies, remove <linux/sched.h> inclusion config: sparc64-buildonly-randconfig-r003-20220109 (https://download.01.org/0day-ci/archive/20220111/202201110001.jDRoBKcb-lk...) compiler: sparc64-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://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=... 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 61ea5a6fab5c8fae043a02a100970041dc6a877e # 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=sparc64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/asm-generic/bug.h:22, from arch/sparc/include/asm/bug.h:25, from include/linux/bug.h:5, from include/linux/kernfs.h:9, from include/linux/kobject_api.h:20, from include/linux/of_api.h:26, from drivers/sbus/char/envctrl.c:22: drivers/sbus/char/envctrl.c: In function 'kenvctrld': 1001 | printk(KERN_INFO PFX "%s starting...\n", current->comm); | ^~ include/linux/printk.h:419:33: note: in definition of macro 'printk_index_wrap' 419 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ drivers/sbus/char/envctrl.c:1001:9: note: in expansion of macro 'printk' 1001 | printk(KERN_INFO PFX "%s starting...\n", current->comm); | ^~~~~~ drivers/sbus/char/envctrl.c:1016:56: error: invalid use of undefined type 'struct task_struct' 1016 | current->comm, whichcpu, | ^~ include/linux/printk.h:419:33: note: in definition of macro 'printk_index_wrap' 419 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ drivers/sbus/char/envctrl.c:1013:41: note: in expansion of macro 'printk' 1013 | printk(KERN_CRIT | ^~~~~~ drivers/sbus/char/envctrl.c:1023:56: error: invalid use of undefined type 'struct task_struct' 1023 | printk(KERN_INFO PFX "%s exiting...\n", current->comm); | ^~ include/linux/printk.h:419:33: note: in definition of macro 'printk_index_wrap' 419 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ drivers/sbus/char/envctrl.c:1023:9: note: in expansion of macro 'printk' 1023 | printk(KERN_INFO PFX "%s exiting...\n", current->comm); | ^~~~~~ In file included from drivers/sbus/char/envctrl.c:26: drivers/sbus/char/envctrl.c: In function 'envctrl_probe': 58 | wake_up_process(__k); \ | ^~~~~~~~~~~~~~~ drivers/sbus/char/envctrl.c:1085:26: note: in expansion of macro 'kthread_run' 1085 | kenvctrld_task = kthread_run(kenvctrld, NULL, "kenvctrld"); | ^~~~~~~~~~~ cc1: some warnings being treated as errors -- drivers/sbus/char/bbc_envctrl.c:569:5: warning: no previous prototype for 'bbc_envctrl_init' [-Wmissing-prototypes] 569 | int bbc_envctrl_init(struct bbc_i2c_bus *bp) | ^~~~~~~~~~~~~~~~ In file included from drivers/sbus/char/bbc_envctrl.c:10: drivers/sbus/char/bbc_envctrl.c: In function 'bbc_envctrl_init': 58 | wake_up_process(__k); \ | ^~~~~~~~~~~~~~~ drivers/sbus/char/bbc_envctrl.c:583:34: note: in expansion of macro 'kthread_run' 583 | kenvctrld_task = kthread_run(kenvctrld, NULL, "kenvctrld"); | ^~~~~~~~~~~ drivers/sbus/char/bbc_envctrl.c: At top level: drivers/sbus/char/bbc_envctrl.c:597:6: warning: no previous prototype for 'bbc_envctrl_cleanup' [-Wmissing-prototypes] 597 | void bbc_envctrl_cleanup(struct bbc_i2c_bus *bp) | ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +1001 drivers/sbus/char/envctrl.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 985 ^1da177e4c3f41 Linus Torvalds 2005-04-16 986 static int kenvctrld(void *__unused) ^1da177e4c3f41 Linus Torvalds 2005-04-16 987 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 988 int poll_interval; ^1da177e4c3f41 Linus Torvalds 2005-04-16 989 int whichcpu; ^1da177e4c3f41 Linus Torvalds 2005-04-16 990 char tempbuf[10]; ^1da177e4c3f41 Linus Torvalds 2005-04-16 991 struct i2c_child_t *cputemp; ^1da177e4c3f41 Linus Torvalds 2005-04-16 992 ^1da177e4c3f41 Linus Torvalds 2005-04-16 993 if (NULL == (cputemp = envctrl_get_i2c_child(ENVCTRL_CPUTEMP_MON))) { 6b8c90f24e2450 David S. Miller 2008-08-29 994 printk(KERN_ERR PFX 6b8c90f24e2450 David S. Miller 2008-08-29 995 "kenvctrld unable to monitor CPU temp-- exiting\n"); ^1da177e4c3f41 Linus Torvalds 2005-04-16 996 return -ENODEV; ^1da177e4c3f41 Linus Torvalds 2005-04-16 997 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 998 cb39d263e751f9 Nishanth Aravamudan 2005-07-24 999 poll_interval = 5000; /* TODO env_mon_interval */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1000 6b8c90f24e2450 David S. Miller 2008-08-29 @1001 printk(KERN_INFO PFX "%s starting...\n", current->comm); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1002 for (;;) { 218b29e0c3995e Christoph Hellwig 2005-08-09 1003 msleep_interruptible(poll_interval); 218b29e0c3995e Christoph Hellwig 2005-08-09 1004 218b29e0c3995e Christoph Hellwig 2005-08-09 1005 if (kthread_should_stop()) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1006 break; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1007 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1008 for (whichcpu = 0; whichcpu < ENVCTRL_MAX_CPU; ++whichcpu) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1009 if (0 < envctrl_read_cpu_info(whichcpu, cputemp, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1010 ENVCTRL_CPUTEMP_MON, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1011 tempbuf)) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1012 if (tempbuf[0] >= shutdown_temperature) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1013 printk(KERN_CRIT ^1da177e4c3f41 Linus Torvalds 2005-04-16 1014 "%s: WARNING: CPU%i temperature %i C meets or exceeds "\ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1015 "shutdown threshold %i C\n", ^1da177e4c3f41 Linus Torvalds 2005-04-16 1016 current->comm, whichcpu, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1017 tempbuf[0], shutdown_temperature); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1018 envctrl_do_shutdown(); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1019 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1020 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1021 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1022 } 6b8c90f24e2450 David S. Miller 2008-08-29 1023 printk(KERN_INFO PFX "%s exiting...\n", current->comm); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1024 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1025 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1026 :::::: The code at line 1001 was first introduced by commit :::::: 6b8c90f24e24505f97efaef1a46572d6b45929b9 envctrl: Convert to pure OF driver. :::::: TO: David S. Miller <davem(a)davemloft.net&gt; :::::: CC: David S. Miller <davem(a)davemloft.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org