Claude review: gpu: nova-core: gsp: add continuation record support

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Overall Series Review

Subject: gpu: nova-core: gsp: add continuation record support
Author: Eliot Courtney <ecourtney@nvidia.com>
Patches: 11
Reviewed: 2026-02-27T12:21:58.086630

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This is a well-structured 9-patch series from Eliot Courtney at NVIDIA that adds continuation record support to the nova-core GSP command queue. The series enables sending RPCs larger than 16 pages (64KB) by splitting them into multiple queue elements. The patches are logically ordered with incremental preparation steps (1-7) leading to the core implementation (8) and tests (9).

The overall design is sound: a `SplitState` type determines whether splitting is needed, a `SplitCommand` enum transparently wraps the original command so that small commands still write directly to the queue (zero-copy), while large commands stage their variable payload into a `KVVec` buffer and then dispatch it in chunks. The continuation record protocol itself is simple — just a header followed by raw payload bytes.

The code quality is good, the abstractions are clean, and the tests cover the important boundary conditions. I have a few observations, mostly minor.

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