Why NVIDIA Open-Sourced Its Linux GPU Kernel Modules: Architecture, Not Just Policy

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NVIDIA released GPL-licensed Linux kernel modules — including nvidia.ko, nvidia-drm.ko, nvidia-uvm.ko, and nvidia-modeset.ko — while keeping user-space components like CUDA, OpenGL, and GSP firmware proprietary. The move was enabled by the introduction of the GPU System Processor (GSP), which shifted low-level hardware control from the host CPU's kernel driver into onboard firmware, allowing the kernel-facing interface to be safely open-sourced. Previously, NVIDIA's proprietary modules required a DKMS-based workflow that frequently broke after kernel updates and caused Secure Boot and packaging difficulties for Linux distributions. With source code now available, major distros such as Ubuntu, Red Hat, and SUSE can integrate, sign, and maintain the modules within their own infrastructure far more easily. NVIDIA also highlights improved debuggability, security review, and compatibility with modern environments like Kubernetes clusters, AI training servers, and Confidential Computing platforms as key benefits of the change.

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