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linux-pinetab2-danctnix-besser: re-enable CONFIG_SHADOW_CALL_STACK
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Browse Source 
GCC 16.1.1 fixed the arm_neon.h #pragma target + SCS interaction.
The cumulative patch already had a CFLAGS_xor-neon.o workaround.
Verified on boltzmann with GCC 16.1.1 (test build exit code 0).

Closes #20
This commit is contained in:
Markus Fritsche
2026-07-10 07:50:53 +00:00
parent 41383e402c
commit e2991ff55b
3 changed files with 5 additions and 9 deletions
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arch/linux-pinetab2-danctnix-besser/README.md
+2 -6
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@@ -34,15 +34,11 @@ DanctNIX PineTab2 kernel + the BESser bes2600 driver patchset.
|--------|------------|-------------------------------------------------|
| 1–3 | 2026-05-08…05-18 | hand-managed in `marfrit/besser/danctnix-besser-pkgbuild/` (DEPRECATED) |
| 4 | 2026-05-18 | first kernel-agent-managed release; same source contents as the hand-managed pkgrel=3 (Patch I + SCS workaround folded into single cumulative); fixes pkgrel=3's duplicated `0003-arm64-...patch` source-array bug |
| 5 | 2026-05-18 | SCS workaround deployed, pkgrel bump for rebuild |
| 6 | 2026-07-10 | Re-enable `CONFIG_SHADOW_CALL_STACK=y` — GCC 16.1.1 fixed the `arm_neon.h` `#pragma target` + SCS interaction |
## Known caveats
- **`CONFIG_SHADOW_CALL_STACK=n`** in the config: GCC 15.2.1 fails to
build `arch/arm64/lib/xor-neon.c` with `arm_neon.h` `#pragma GCC
target()` blocks and `-fsanitize=shadow-call-stack`. See
`reference_arm64_scs_arm_neon_gcc15` memory and the Makefile
workaround patch included in the cumulative. Track upstream GCC
resolution before re-enabling.
- The `cumulative-c5x-danctnix` series-dir in kernel-agent is currently
a single-file interim (the working hand-curated cumulative) because
the per-series mirrors created in `kernel-agent#17` use DKMS-style