AMD EPYC 7F72 Performance On A Linux FSGSBASE-Patched Kernel

AMD EPYC 7F72 Performance On A Linux FSGSBASE-Patched Kernel: Slated for Linux 5.9 is finally mainlining the FSGSBASE patches that have been floating around the kernel mailing list for years. Testing last week showed the tentative x86/fsgsbase patches helping Intel Xeon Linux performance but with AMD also supporting this instruction set extension going back to Bulldozer, how is it looking on the likes of AMD? Here are some benchmarks.