Commit 0cad4092 authored by Yury Norov's avatar Yury Norov
Browse files

s390: switch stop_machine_yield() to using cpumask_next_wrap() 



Calling cpumask_next_wrap_old() with starting CPU equal to wrapping CPU
effectively means the request to find next CPU, wrapping around if needed.

cpumask_next_wrap() is the proper replacement for that.

Signed-off-by: default avatarYury Norov <yury.norov@gmail.com>
parent f954a2d3

arch/s390/kernel/processor.c

+1 −1
Original line number Diff line number Diff line
@@ -72,7 +72,7 @@ void notrace stop_machine_yield(const struct cpumask *cpumask) 
	this_cpu = smp_processor_id();

	if (__this_cpu_inc_return(cpu_relax_retry) >= spin_retry) {

		__this_cpu_write(cpu_relax_retry, 0);

		cpu = cpumask_next_wrap_old(this_cpu, cpumask, this_cpu, false);

		cpu = cpumask_next_wrap(this_cpu, cpumask);

		if (cpu >= nr_cpu_ids)

			return;

		if (arch_vcpu_is_preempted(cpu))