diff options
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r-- | include/linux/sched.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index a03875221663..ffccdad050b5 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2745,6 +2745,21 @@ static inline bool __must_check current_clr_polling_and_test(void) } #endif +static inline void current_clr_polling(void) +{ + __current_clr_polling(); + + /* + * Ensure we check TIF_NEED_RESCHED after we clear the polling bit. + * Once the bit is cleared, we'll get IPIs with every new + * TIF_NEED_RESCHED and the IPI handler, scheduler_ipi(), will also + * fold. + */ + smp_mb(); /* paired with resched_task() */ + + preempt_fold_need_resched(); +} + static __always_inline bool need_resched(void) { return unlikely(tif_need_resched()); |