wangchdo commented on code in PR #17324:
URL: https://github.com/apache/nuttx/pull/17324#discussion_r2522700193
##########
sched/sched/sched_suspend.c:
##########
@@ -170,13 +170,12 @@ void nxsched_suspend(FAR struct tcb_s *tcb)
{
switch_needed = nxsched_remove_readytorun(tcb);
- if (switch_needed || !nxsched_islocked_tcb(rtcb))
+ if (switch_needed)
{
#ifdef CONFIG_SMP
- switch_needed |= nxsched_deliver_task(cpu, tcb->cpu,
- SWITCH_HIGHER);
+ nxsched_deliver_task(cpu, tcb->cpu, SWITCH_HIGHER);
#else
- switch_needed |= nxsched_merge_pending();
+ nxsched_merge_pending();
#endif
Review Comment:
if switch_needed = nxsched_remove_readytorun(tcb); is false, it means that
no current running task is removed from ready, at this case, no need to do
nxsched_merge_pending() or nxsched_deliver_task()
we just need to do nxsched_merge_pending() or nxsched_deliver_task() when
the current running task is removed from ready. Because if there is task still
running, no need to check other tasks
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