Linux Spectre V2 Patch Incurs up to 50 Percent Performance Penalty - Tom's Hardware

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Linux Spectre V2 Patch Incurs up to 50 Percent Performance Penalty Tom's Hardware The patch in question was released with the Linux 4.20 kernel. It bears the Single Thread Indirect Branch Predictors (STIBP) mitigation for CPUs with simultaneous multithreading (SMT). This is supposed to prevent attacks based on the Spectre v2 ...