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SubjectRe: [PATCH v17 6/8] x86/smpboot: Send INI T/SIPI/SIPI to secondary CPUs in parallel
On March 30, 2023 6:46:24 PM GMT+02:00, Thomas Gleixner <tglx@linutronix.de> 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....


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