New FUTEX Syscalls Back To Being Worked On For Helping Valve s ARM64 Gaming Ambitions

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Published: 2026-09-25T22:51:59.906Z • Permanent link

Igalia, an open-source consulting firm, has been working tirelessly to enhance the Linux kernel, a crucial component for Steam Play gaming on ARM64. This effort, which began last year, is aimed at improving the performance and efficiency of the FEX emulator, a key tool for x86/x86_64 compatibility on ARM-based systems. The project's lead developer, Nicolas Mailhot, a seasoned Linux kernel engineer, has been instrumental in driving this initiative forward. Mailhot's expertise has been instrumental in ensuring that the Linux kernel is optimized for ARM64, a move that is expected to significantly enhance the gaming experience for users.

Valve Corporation, the renowned video game platform provider, has been closely collaborating with Igalia on this project. The partnership has enabled Valve to further refine its Steam Play technology, which allows users to play PC games on ARM-based devices such as the Steam Deck. The FEX emulator, in particular, has been a key focus of attention, as it plays a critical role in translating x86/x86_64 code into ARM64-compatible bytecode. By enhancing the FEX emulator, Igalia is helping Valve to improve the overall gaming experience, which is expected to have a significant impact on the gaming industry as a whole.

The Linux kernel is a widely used and respected operating system, known for its stability, security, and performance. By working on the Linux kernel, Igalia is demonstrating its commitment to the open-source community and its dedication to advancing the state-of-the-art in ARM64 gaming. The project's success is a testament to the power of collaboration and the importance of investing in open-source development. As the gaming industry continues to evolve, initiatives like this are likely to play a crucial role in shaping the future of gaming on ARM-based devices.

The implications of this project are far-reaching, with significant consequences for the global infrastructure of the gaming industry. Companies like Valve, which are at the forefront of ARM64 gaming, are likely to benefit greatly from Igalia's efforts. The enhanced FEX emulator will enable faster loading times, improved performance, and a more seamless gaming experience, which will in turn drive user adoption and revenue growth. Research communities, such as those focused on Linux kernel development and ARM64 architecture, will also benefit from Igalia's work, as it will provide a valuable reference point for future development.

The impact of this project extends beyond the gaming industry, however. The Linux kernel is a critical component of many global infrastructure systems, including cloud computing, artificial intelligence, and cybersecurity. By enhancing the Linux kernel, Igalia is contributing to the development of more secure, efficient, and scalable systems, which will have a significant impact on the broader global infrastructure landscape. As such, this project has the potential to drive innovation and progress in a wide range of fields, from gaming to cloud computing.

This project is part of a larger trend in the development of ARM64 gaming infrastructure. In recent years, there has been a significant increase in the availability of ARM64-based devices, including gaming consoles and PCs. As a result, there is a growing need for more efficient and effective gaming technologies, such as the FEX emulator. Igalia's work on the Linux kernel is one example of how companies and research institutions are coming together to address this challenge. This trend is likely to continue, with other companies and organizations investing in ARM64 gaming infrastructure and developing new technologies to support the growth of the gaming industry.