Linux Lands Mitigations For Spectre-BHB / BHI On Intel & Arm, Plus An AMD Change Too

Within minutes of the BHI speculative execution vulnerability going public, patches were merged into the mainline Linux kernel Git tree for mitigating this offshoot from Spectre V2. The Intel and Arm processors affected by BHI (also referred to as Spectre-BHB) have mitigation work plus a change also impacts AMD processors too...