The development of Linux version 6.15 is not limited to traditional functional improvements. Major advances in cryptography have also been made to enhance the overall performance of systems based on modern architectures. This article highlights these optimizations, which are particularly beneficial for AMD Zen 5 processors and other x86_64 systems. New Features in the Cryptographic Subsystem AES-CTR Optimization With the arrival of version 6.15, developers have integrated a new AES-CTR algorithm based on VAES, specifically designed to fully exploit the capabilities of the latest Intel and AMD processor families. This change promises significant improvements in responsiveness and efficiency, allowing users to achieve increased performance for critical applications. Notable Changes Removal of the legacy compression interface Improved the scatterwalk API Added Kerberos5 algorithms Excision of some obsolete SIMD codeAdded a new PCI device identifier “0x1134” in the AMD CCP driver
Improved performance for users
Improved performance for users
Impact on modern processors 🚀 OptimizationsDetails AESNI+AVX+VAESOptimized path for AES-CTR, significantly increasing performance on AMD Zen 5 and Intel.
- Contributed by an engineer, Eric Biggers, to these optimizations, further improving the quality of the kernel code.
- Cumulative Progress
- Strengthened the cryptographic subsystem through continued optimizations in previous releases.
- Open Conclusion
- These improvements to the cryptographic subsystem in Linux 6.15, particularly the optimized AES-CTR, underscore the importance of continuous updates to maximize the performance of modern systems. What impact do you think these optimizations will have on your business? Share your thoughts in the comments!
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