Up requirement from 2.6.24+ to Linux 4.8 - for restartable sequences?

Linux kernel 4.8 was officially released on October 2, 2016, soon a decade old, not sure this needs “c. 2018” kernel, some 4.8.x, but 4.8 Linux kernel, and older, are EOLed anyway already. After this year 6.1 will be latest supported. https://justine.lol/rseq/ The best kept secret at the frontier of system programming right now is the Linux 4.18+ (c. 2018) concept of restartable sequences or rseq for short. They allow you to create thread-safe data structures without locks or atomics which sc...