CC: [email protected] In-Reply-To: <[email protected]> References: <[email protected]> TO: Josh Don <[email protected]> TO: Tejun Heo <[email protected]> TO: Zefan Li <[email protected]> TO: Johannes Weiner <[email protected]> TO: Ingo Molnar <[email protected]> TO: Peter Zijlstra <[email protected]> TO: Juri Lelli <[email protected]> TO: Vincent Guittot <[email protected]> CC: Dietmar Eggemann <[email protected]> CC: Steven Rostedt <[email protected]> CC: Ben Segall <[email protected]>
Hi Josh, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on tj-cgroup/for-next] [also build test WARNING on tip/sched/core tip/master v5.16-rc8 next-20220107] [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] url: https://github.com/0day-ci/linux/commits/Josh-Don/cgroup-add-cpu-stat_percpu/20220108-074316 base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-next :::::: branch date: 35 hours ago :::::: commit date: 35 hours ago config: x86_64-randconfig-m001-20220107 (https://download.01.org/0day-ci/archive/20220109/[email protected]/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: kernel/cgroup/rstat.c:531 cgroup_base_stat_percpu_cputime_show() warn: sleeping in atomic context vim +531 kernel/cgroup/rstat.c d70517c43ca623 Josh Don 2022-01-07 515 d70517c43ca623 Josh Don 2022-01-07 516 void cgroup_base_stat_percpu_cputime_show(struct seq_file *seq) d70517c43ca623 Josh Don 2022-01-07 517 { d70517c43ca623 Josh Don 2022-01-07 518 static DEFINE_MUTEX(mutex); d70517c43ca623 Josh Don 2022-01-07 519 static DEFINE_PER_CPU(struct cgroup_base_stat, cached_percpu_stats); d70517c43ca623 Josh Don 2022-01-07 520 struct cgroup_base_stat *cached_bstat; d70517c43ca623 Josh Don 2022-01-07 521 struct cgroup *cgrp = seq_css(seq)->cgroup; d70517c43ca623 Josh Don 2022-01-07 522 u64 val; d70517c43ca623 Josh Don 2022-01-07 523 int cpu; d70517c43ca623 Josh Don 2022-01-07 524 d70517c43ca623 Josh Don 2022-01-07 525 /* protects cached_percpu_stats */ d70517c43ca623 Josh Don 2022-01-07 526 mutex_lock(&mutex); d70517c43ca623 Josh Don 2022-01-07 527 d70517c43ca623 Josh Don 2022-01-07 528 if (cgroup_parent(cgrp)) { d70517c43ca623 Josh Don 2022-01-07 529 struct cgroup_base_stat *bstat_cpu; d70517c43ca623 Josh Don 2022-01-07 530 d70517c43ca623 Josh Don 2022-01-07 @531 cgroup_rstat_flush_hold(cgrp); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
