Proposed Linux Patch Allows Disabling CPU Security Mitigations at Build-Time

Phoronix reports:A proposed Linux kernel patch would provide a new Kconfig build time option of "CONFIG_DEFAULT_CPU_MITIGATIONS_OFF" to build an insecure kernel if wanting to avoid the growing list of CPU security mitigations within the kernel and their associated performance overhead.
While risking system security, booting the Linux kernel with the "mitigations=off" option has been popular for avoiding the performance costs of Spectre, Meltdown, and the many other CPU security vulnerabilities t