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SubjectRe: [PATCH 0/2] workqueue: fix a bug when numa mapping is changed

On Thu, Mar 26, 2015 at 01:04:00PM +0800, Gu Zheng wrote:
> wq generates the numa affinity (pool->node) for all the possible cpu's
> per cpu workqueue at init stage, that means the affinity of currently un-present
> ones' may be incorrect, so we need to update the pool->node for the new added cpu
> to the correct node when preparing online, otherwise it will try to create worker
> on invalid node if node hotplug occurred.

If the mapping is gonna be static once the cpus show up, any chance we
can initialize that for all possible cpus during boot?



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