Forgotten patch found in Linux kernel affecting AMD CPU performance
The Linux 6.0 kernel, which is expected to be released next Monday, has adopted a change that addresses performance issues on systems based on AMD Zen processors. The source of the performance drop turned out to be code added 20 years ago to work around a hardware problem in some chipsets. The hardware problem has been fixed a long time ago and does not appear in current chipsets, but the old workaround was forgotten and […]