On March 30, 2023 6:46:24 PM GMT+02:00, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: >So that violates the rules of microcode loading that the sibling must be >in a state where it does not execute anything which might be affected by >the microcode update. The fragile startup code does not really qualify >as such a state :) Yeah I don't think we ever enforced this for early loading. The thread sync thing came with the late loading dance.... -- Sent from a small device: formatting sucks and brevity is inevitable.