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Commit e601e3be authored by Jan Kiszka's avatar Jan Kiszka Committed by Avi Kivity
Browse files

KVM: Drop obsolete cpu_get/put in make_all_cpus_request 



spin_lock disables preemption, so we can simply read the current cpu.

Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 84fde248

virt/kvm/kvm_main.c

+1 −2
Original line number Diff line number Diff line
@@ -741,8 +741,8 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req) 
	if (alloc_cpumask_var(&cpus, GFP_ATOMIC))

		cpumask_clear(cpus);



	me = get_cpu();

	spin_lock(&kvm->requests_lock);

	me = smp_processor_id();

	kvm_for_each_vcpu(i, vcpu, kvm) {

		if (test_and_set_bit(req, &vcpu->requests))

			continue;
@@ -757,7 +757,6 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req) 
	else

		called = false;

	spin_unlock(&kvm->requests_lock);

	put_cpu();

	free_cpumask_var(cpus);

	return called;

}