On Fri, Sep 25, 2020 at 06:38:50PM +0200, Dietmar Eggemann wrote: > 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 > unlikely(rq->balance_flags)?
But then we have two loads in the fastpath..
