* Re: [PATCH] BUG: sysrq: Reset the watchdog during the polling of sysrq-t processing tasks
[not found] <tencent_B7DDA306E3B6A8CDF3195E4C083C9BD37E07@qq.com>
@ 2025-11-17 8:02 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-11-17 8:02 UTC (permalink / raw)
To: cx19970, mingo, peterz, juri.lelli, vincent.guittot
Cc: llvm, oe-kbuild-all, dietmar.eggemann, rostedt, bsegall, mgorman,
vschneid, linux-kernel, cx19970
Hi cx19970,
kernel test robot noticed the following build errors:
[auto build test ERROR on tip/sched/core]
[also build test ERROR on linus/master v6.18-rc6 next-20251114]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/cx19970/BUG-sysrq-Reset-the-watchdog-during-the-polling-of-sysrq-t-processing-tasks/20251117-130012
base: tip/sched/core
patch link: https://lore.kernel.org/r/tencent_B7DDA306E3B6A8CDF3195E4C083C9BD37E07%40qq.com
patch subject: [PATCH] BUG: sysrq: Reset the watchdog during the polling of sysrq-t processing tasks
config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20251117/202511171548.yY6PHme5-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 0bba1e76581bad04e7d7f09f5115ae5e2989e0d9)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251117/202511171548.yY6PHme5-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511171548.yY6PHme5-lkp@intel.com/
All errors (new ones prefixed by >>):
>> kernel/sched/fair.c:13940:3: error: call to undeclared function 'touch_nmi_watchdog'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
13940 | touch_nmi_watchdog();
| ^
>> kernel/sched/fair.c:13941:3: error: call to undeclared function 'touch_all_softlockup_watchdogs'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
13941 | touch_all_softlockup_watchdogs();
| ^
2 errors generated.
--
In file included from kernel/sched/build_policy.c:52:
>> kernel/sched/rt.c:2941:3: error: call to undeclared function 'touch_nmi_watchdog'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
2941 | touch_nmi_watchdog();
| ^
>> kernel/sched/rt.c:2942:3: error: call to undeclared function 'touch_all_softlockup_watchdogs'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
2942 | touch_all_softlockup_watchdogs();
| ^
2 errors generated.
vim +/touch_nmi_watchdog +13940 kernel/sched/fair.c
13933
13934 void print_cfs_stats(struct seq_file *m, int cpu)
13935 {
13936 struct cfs_rq *cfs_rq, *pos;
13937
13938 rcu_read_lock();
13939 for_each_leaf_cfs_rq_safe(cpu_rq(cpu), cfs_rq, pos) {
13940 touch_nmi_watchdog();
13941 touch_all_softlockup_watchdogs();
13942 print_cfs_rq(m, cpu, cfs_rq);
13943 }
13944 rcu_read_unlock();
13945 }
13946
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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