13022591351 commented on PR #19982:
URL: https://github.com/apache/nuttx/pull/19982#issuecomment-5439444453
Updated the series organization and repeated the complete master hardware
validation on PX4 FMUv6C.
The series is now split into scheduler functionality, libc functionality with
the explicit `nxsem_wait()` EINTR retry, a separate master cleanup using
`nxsem_wait_uninterruptible()`, and RST documentation. Please keep the libc
functional and helper-cleanup commits separate; the rationale and selective
release-branch path are documented in the PR description.
Fresh `make distclean` build results:
```text
master_flat:
FLASH 1470396 B / 1920 KB (74.79%)
AXI_SRAM 63380 B / 512 KB (12.09%)
master_protected kernel:
kflash 877528 B / 896 KB (95.64%)
ksram 54320 B / 128 KB (41.44%)
master_protected user:
uflash 751000 B / 1 MB (71.62%)
usram 8192 B / 384 KB (2.08%)
```
Three USB NSH runs per backend:
```text
Flat kernel: 30.1490 / 30.1490 / 30.1480 s
Protected user: 15.6540 / 15.6540 / 15.6550 s
Protected kernel: 30.1480 / 30.1490 / 30.1490 s
```
All assertions passed. Steady-state heap usage remained unchanged after the
first run: Flat Umem 14,600 B; Protected Kmem 10,104 B and Umem 9,232 B. All
custom worker pools completed teardown.
The final PR WQ source tree matches the runtime-tested source tree.
Full-range
commit-message checkpatch, code checkpatch, and `git diff --check` all pass.
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