Linux Kernel Performance Boost: Restartable Sequences Improved

2025-09-20

The Linux kernel's restartable sequences feature, aimed at boosting performance in threaded applications, has seen increased use alongside new kernel capabilities. However, this has revealed some issues. Developer Thomas Gleixner recently improved the code, addressing performance bottlenecks and historical oversights. These changes significantly enhance efficiency but might require ABI changes in user space, demanding thorough testing for compatibility.

Development restartable sequences