diff options
| author | Thomas Gleixner <[email protected]> | 2023-09-08 18:22:50 +0200 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2023-09-20 09:31:12 +0200 |
| commit | de1474b46d889ee0367f6e71d9adfeb0711e4a8d (patch) | |
| tree | 9b400db1dd49e1547d5ba4af7634f8df04ffdcff | |
| parent | af9f006393b53409be0ca83ae234bef840cdef4a (diff) | |
sched: Extract __schedule_loop()
There are currently two implementations of this basic __schedule()
loop, and there is soon to be a third.
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
| -rw-r--r-- | kernel/sched/core.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index d55564097bd8..1ea7ba53aad2 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6770,16 +6770,21 @@ static void sched_update_worker(struct task_struct *tsk) } } -asmlinkage __visible void __sched schedule(void) +static __always_inline void __schedule_loop(unsigned int sched_mode) { - struct task_struct *tsk = current; - - sched_submit_work(tsk); do { preempt_disable(); - __schedule(SM_NONE); + __schedule(sched_mode); sched_preempt_enable_no_resched(); } while (need_resched()); +} + +asmlinkage __visible void __sched schedule(void) +{ + struct task_struct *tsk = current; + + sched_submit_work(tsk); + __schedule_loop(SM_NONE); sched_update_worker(tsk); } EXPORT_SYMBOL(schedule); @@ -6843,11 +6848,7 @@ void __sched schedule_preempt_disabled(void) #ifdef CONFIG_PREEMPT_RT void __sched notrace schedule_rtlock(void) { - do { - preempt_disable(); - __schedule(SM_RTLOCK_WAIT); - sched_preempt_enable_no_resched(); - } while (need_resched()); + __schedule_loop(SM_RTLOCK_WAIT); } NOKPROBE_SYMBOL(schedule_rtlock); #endif |