btashton opened a new pull request #2172:
URL: https://github.com/apache/incubator-nuttx/pull/2172
## Summary
Backport #1992
sched: Fix DEBUGASSERT() in sched_unlock() for SMP
I noticed DEBUGASSERT() happens in sched_unlock()
The test was Wi-Fi audio streaming stress test with spresense 3cores
Actually, g_cpu_schedlock was locked but g_cpu_lockset was incorrect
Finally, I found that cpu was obtained before enter_critical_section()
And the task was moved from one cpu to another cpu
However, that call should be done within the critical section
This commit fixes this issue
sched: Fix sched_lock() logic for SMP
I noticed sched_lock() logic is different from sched_unlock()
I think sched_lock() should use critical section
Also, the code should be simple like sched_unlock()
This commit fixes these issues and consistent with sched_unlock()
## Impact
## Testing
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