jlaitine commented on code in PR #16673:
URL: https://github.com/apache/nuttx/pull/16673#discussion_r2228956996
##########
sched/sched/sched.h:
##########
@@ -518,23 +514,51 @@ static inline_function bool nxsched_add_prioritized(FAR
struct tcb_s *tcb,
}
# ifdef CONFIG_SMP
+
+/* Try to switch the head of the ready-to-run list to active on "cpu".
+ * "curr_cpu" is "this_cpu()", and passed only for optimization.
+ */
+
+static inline_function bool nxsched_deliver_task(int cpu, int curr_cpu)
+{
+ bool ret = false;
+
+ /* If there is already a schedule interrupt pending, there is
+ * no need to do anything now.
+ */
+
+ if (!g_delivertasks[cpu])
Review Comment:
I think this is necessary optimization. At least on my risc-v platform it
even shows in the cpu load
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