On Tue, Mar 31, 2015 at 11:02:42PM -0400, Tejun Heo wrote:
> Ugh... so, cpu number allocation on hot-add is part of userland
> interface that we're locked into?  Tying hotplug and id allocation
> order together usually isn't a good idea.  What if the cpu up fails
> while running the notifiers?  The ID is already allocated and the next
> cpu being brought up will be after a hole anyway.  Is this even
> actually gonna affect userland?

At any rate, this isn't big a deal.  If the mapping has to be dynamic,
it'd be great to move the mapping code from workqueue to cpu hotplug
proper tho.

Thanks.

-- 
tejun
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