add SpectreAll_on

files/initrd/opt/rr/menu.sh

@@ -847,6 +847,7 @@ function cmdlineMenu() {
     a)
       MSG=""
       MSG+="$(TEXT "Commonly used cmdlines:\n")"
+      MSG+="$(TEXT " * \Z4SpectreAll_on=\Zn\n    Enable Spectre and Meltdown protection to mitigate the threat of speculative execution vulnerability.\n")"
       MSG+="$(TEXT " * \Z4disable_mtrr_trim=\Zn\n    disables kernel trim any uncacheable memory out.\n")"
       MSG+="$(TEXT " * \Z4intel_idle.max_cstate=1\Zn\n    Set the maximum C-state depth allowed by the intel_idle driver.\n")"
       MSG+="$(TEXT " * \Z4pcie_port_pm=off\Zn\n    Turn off the power management of the PCIe port.\n")"