On 11/4/22 14:36, Kim Phillips wrote: > The AMD Zen4 core supports a new feature called Automatic IBRS. > (Indirect Branch Restricted Speculation). > > Enable Automatic IBRS by default if the CPU feature is present. > It typically provides greater performance over the incumbent > generic retpolines mitigation. Could you also share some information on how this differs from EIBRS and why it needs to exist in parallel to EBIRS?
