diff options
| -rw-r--r-- | kernel/sched/core.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 76662d809183..f39482d6a6e6 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -919,14 +919,13 @@ static bool set_nr_if_polling(struct task_struct *p) struct thread_info *ti = task_thread_info(p); typeof(ti->flags) val = READ_ONCE(ti->flags); - for (;;) { + do { if (!(val & _TIF_POLLING_NRFLAG)) return false; if (val & _TIF_NEED_RESCHED) return true; - if (try_cmpxchg(&ti->flags, &val, val | _TIF_NEED_RESCHED)) - break; - } + } while (!try_cmpxchg(&ti->flags, &val, val | _TIF_NEED_RESCHED)); + return true; } |