A Nasty Performance Regression For Some Intel Systems Wound Up In Linux 6.5 Stable

While catching up on my Linux kernel benchmarking across different systems the Intel Core i9 13900K "Raptor Lake" desktop performance has been particularly volatile. Linux 6.5 is running slower for the Core i9 13900K compared to Linux 6.4 for a number of different workloads. Buckle up for a wild ride but the good news is a stable fix is forthcoming.