tmedicci commented on code in PR #15821:
URL: https://github.com/apache/nuttx/pull/15821#discussion_r1965586555
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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:
> If the same code work with esp32s2 and esp32s3, but not esp32. The best
explanation should come from Espressif staff, the volunteer doesn't have enough
internal information and help to understand the difference around these chips.
The only known difference is that ESP32 is LX6 (and the others are LX7).
There aren't any other differences that justify it and that's the point: there
is a unique device with such characteristics on NuttX upstream and this device
is ESP32 (LX6 + SMP). This PR - which affects all xtensa devices - isn't
working for this device. Maybe it wasn't extensively tested under diverse
conditions. This should be further investigated.
Espressif doesn't _maintain_ common code base.
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