Re: [PATCH 2/3] KVM: X86: Implement PV sched yield hypercall

[Paolo Bonzini]

On 27/05/19 12:34, Wanpeng Li wrote:
> +     rcu_read_lock();
> +     map = rcu_dereference(kvm->arch.apic_map);
> +     target = map->phys_map[dest_id]->vcpu;
> +     rcu_read_unlock();
> +
> +     kvm_vcpu_yield_to(target);

This needs to check that map->phys_map[dest_id] is not NULL.

Paolo