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    SubjectRe: [PATCH 11/18] Perform hardware_enable in CPU_STARTING callback
    On 07/12/2010 10:25 PM, Zachary Amsden wrote:
    > The CPU_STARTING callback was added upstream with the intention
    > of being used for KVM, specifically for the hardware enablement
    > that must be done before we can run in hardware virt. It had
    > bugs on the x86_64 architecture at the time, where it was called
    > after CPU_ONLINE. The arches have since merged and the bug is
    > gone.
    > It might be noted other features should probably start making
    > use of this callback; microcode updates in particular which
    > might be fixing important erratums would be best applied before
    > beginning to run user tasks.
    > Signed-off-by: Zachary Amsden<>

    Reviewed-by: Rik van Riel <>

    All rights reversed

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