feat: Linux syscall ABI alignment + ARM64 SMP stability#229

Merged

ryanbreen merged 10 commits intomainfrom

feat/linux-syscall-abi

Feb 18, 2026

Commits on Feb 18, 2026

fix: ARM64 stability improvements and frame allocator lock-free refactor

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fix: lock-free sys_fbinfo on ARM64 to avoid BWM flush contention

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fix: lock-free sys_fbmmap on ARM64 to prevent bounce startup failure

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fix: two-phase process exit to prevent PM lock deadlock on ARM64 SMP

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fix: waitpid TOCTOU race causing init to hang on ARM64 SMP

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fix: unmask IRQ before WFI in sys_exit_aarch64 to prevent CPU death

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