tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: ffc1b506e4066379411520003b9c59e509b05252 commit: 5635594b8e630f46bc2c98baf7f0ae95c1ad8d28 [19851/23490] nohz/full, sched/rt: Fix missed tick-reenabling bug in dequeue_task_rt() config: x86_64-buildonly-randconfig-001-20240812 (https://download.01.org/0day-ci/archive/20240814/202408141237.n6rFrGmd-lkp@i...) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240814/202408141237.n6rFrGmd-lkp@i...)

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/202408141237.n6rFrGmd-lkp@intel.com/

All warnings (new ones prefixed by >>):

In file included from kernel/sched/rt.c:6: In file included from kernel/sched/sched.h:52: In file included from include/linux/migrate.h:6: In file included from include/linux/mempolicy.h:16: include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 425 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/rt.c:631:6: warning: no previous prototype for function 'sched_rt_bandwidth_account' [-Wmissing-prototypes] 631 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) | ^ kernel/sched/rt.c:631:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 631 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) | ^ | static In file included from kernel/sched/rt.c:6: In file included from kernel/sched/sched.h:52: In file included from include/linux/migrate.h:6: include/linux/mempolicy.h:329:13: warning: unused function '__do_mbind' [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~ 3 warnings generated.

...

kernel/sched/rt.o: warning: objtool: dequeue_rt_stack()+0x1cf: unreachable instruction