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SubjectRe: [PATCH v4 0/7] x86: BSP or CPU0 online/offline
On Tue, Dec 06, 2011 at 04:55:02PM +0530, Srivatsa S. Bhat wrote:
> By the way, this problem is not tied to CPU0 alone, it exists for any
> CPU! (as long as we are talking about plugging in/out CPUs physically).

Just a reminder: before you guys go and wander off into the woods of
hypothetical with this, please make sure this use case is relevant
enough for the trouble. The only real reason given so far AFAICT was RAS
and to be able to offline BSP in order to prolong system life before
maintenance.

When you take it down for maintenance eventually, you don't need to
suspend but simply poweroff.

Or...

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