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From: Rik van Riel on 14 Jul 2010 22:20
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<zamsden(a)redhat.com>

Reviewed-by: Rik van Riel <riel(a)redhat.com>

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