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SubjectRe: [PATCH 3/9] sched/hotplug: Ensure only per-cpu kthreads run during hotplug
On 21/09/2020 18:36, Peter Zijlstra wrote:


> This replaces the unlikely(rq->balance_callbacks) test at the tail of
> context_switch with an unlikely(rq->balance_work), the fast path is

While looking for why BALANCE_WORK is needed:

Shouldn't this be unlikely(rq->balance_callback) and

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