xiaoxiang781216 commented on a change in pull request #4016:
URL: https://github.com/apache/incubator-nuttx/pull/4016#discussion_r662777515
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File path: sched/init/nx_start.c
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@@ -789,17 +789,35 @@ void nx_start(void)
sinfo("CPU0: Beginning Idle Loop\n");
for (; ; )
{
- /* Check heap & stack in idle thread */
+#if defined(CONFIG_STACK_COLORATION) && CONFIG_STACK_USAGE_SAFE_PERCENT > 0
- kmm_checkcorruption();
+ /* Check stack in idle thread */
-#if defined(CONFIG_STACK_COLORATION) && defined(CONFIG_DEBUG_MM)
- for (i = 0; i < CONFIG_MAX_TASKS && g_pidhash[i].tcb; i++)
+ for (i = 0; i < CONFIG_MAX_TASKS; i++)
{
- assert(up_check_tcbstack_remain(g_pidhash[i].tcb) > 0);
+ FAR struct tcb_s *tcb;
+ irqstate_t flags;
+
+ flags = enter_critical_section();
Review comment:
@davids5 this code path is only for deveopment, and it's guarded by
CONFIG_STACK_USAGE_SAFE_PERCENT, which is in the OFF state by default. For the
separate task solution, it already exist here:
https://github.com/apache/incubator-nuttx-apps/tree/master/system/stackmonitor
Since the separate task solution may report the overflow too later, the
check in IDLE thread is very useful in the development phase.
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