Improved Spectre/Meltdown Switches Might Finally Come To The Linux Kernel

By the time the next Linux kernel is released it will have been roughly a year and a half since the Spectre and Meltdown CPU speculative execution vulnerabilities went public and the mitigations started appearing within the kernel. Finally now it's being discussed again by upstream developers over improving the switches / tunable knobs for easily configuring these performance-degrading mitigations...