====== Bugs ====== ====== Spectre / Meltdown ====== [[https://linuxreviews.org/HOWTO_make_Linux_run_blazing_fast_(again)_on_Intel_CPUs]] [[https://romanrm.net/disable-meltdown-spectre-patches]] * Disable Spectre V4 `nospec_store_bypass_disable` (Kernel 4.17) * Disable Spectre V1 `nospectre_v1` (Kernel 4.19) * Control Spectre V2 complexity level: `spectre_v2`, possible values: `off` * Control ===== Disable all Spectre / Meltdown patches ===== add to kernel commandline: pti=off spectre_v2=off l1tf=off nospectre_v1 nospec_store_bypass_disable Or for Kernel 5.1.13 mitigations=off ===== Enable maximum mitigaions for Spectre / Meltdown attack ===== das ===== spectre-meltdown-checker ===== sudo apt-get install spectre-meltdown-checker