tmedicci commented on code in PR #15821:
URL: https://github.com/apache/nuttx/pull/15821#discussion_r1965413404
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arch/xtensa/Kconfig:
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@@ -172,6 +172,10 @@ config XTENSA_DCACHE_LOCK
---help---
Enable Xtensa D-Cache lock & unlock feature
+config XTENSA_PERCPU_TCB_IN_MISC0
Review Comment:
Sorry, @xiaoxiang781216 , I didn't see this answer.
Just as a complement to my comment
(https://github.com/apache/nuttx/pull/15821#issuecomment-2672365187), although
it was tested with "with several chips from the different vendors", these chips
are not supported by NuttX (officially, NuttX supports only ESP32, ESP32-S2 and
ESP32-S3. Custom xtensa-based chips are possible, but they weren't integrated
to the tree).
Furthermore, ESP32 longevity is 15 years from 2016 (EOL is expected to be in
2031) (https://www.espressif.com/en/products/longevity-commitment), so it isn't
an "old" chip that is going to be deprecated soon. Its code base (which is
common for all xtensa devices) is not actively maintained by Espressif (it was
first developed by Greg), so leaving it behind because "it fails" without a
proper explanation doesn't make sense to me.
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