Explore the progress, challenges, and usability of CXL Shared Memory in this informative conference talk delivered by John Groves at the Linux Plumbers Conference. Gain insights into the latest developments in Compute Express Link (CXL) technology, focusing on its shared memory capabilities and their implications for modern computing systems. Discover the advancements made in CXL Shared Memory implementation, understand the obstacles faced by developers and hardware manufacturers, and learn about the practical applications and potential benefits for end-users. Delve into the technical aspects of CXL Shared Memory architecture, its integration with existing systems, and the ongoing efforts to improve its performance and reliability. Whether you're a systems engineer, software developer, or hardware enthusiast, this 24-minute presentation offers valuable knowledge on the future of memory technologies in high-performance computing environments.