On Fri, Feb 04, 2022 at 03:08:05PM -0800, Paul E. McKenney wrote: > From: Yury Norov <yury.norov@xxxxxxxxx> > > In some places, RCU code calls cpumask_weight() to check if any bit of a > given cpumask is set. We can do it more efficiently with cpumask_empty() > because cpumask_empty() stops traversing the cpumask as soon as it finds > first set bit, while cpumask_weight() counts all bits unconditionally. > > Signed-off-by: Yury Norov <yury.norov@xxxxxxxxx> > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx> Acked-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
