Goga Koreli

A personal publication — essays, engineering notes, OSS Radar, and Frames.
One author, many forms, one sensibility.

Featured
Featured Engineering May 21, 2026

One bitmask in task_struct: how a 10-line kernel patch resolves 15 years of multi-runtime signal conflicts on Linux

SA_ONSTACK is process-wide. sigaltstack is per-thread. When Go, Bun, .NET, and the JVM share a process, signals land on the wrong stack. One kernel field fixes the class.

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◆ OSS Radar #02
OSS Radar #02: The Toolchain Is the Moat

How the Astral acquisition reveals the real war being fought in AI coding — and why everyone is talking about the wrong thing.

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Frames View all →
walk · city
light · shadow
moment · still

Photo journals — first frame coming soon

Dispatch

GK-001

A note when there is signal.