Linux Stable Updates Are Dropping The Performance-Pounding STIBP - Phoronix (blog)

Linux Stable Updates Are Dropping The Performance-Pounding STIBP Phoronix (blog) The Linux stable trees that recently received STIBP "Single Thread Indirect Branch Predictors" after back-porting from Linux 4.20 are seeing the code reverted. This is the change that recently caused major slowdowns in Linux performance for workloads ...