On 03/07/2018 08:21, Wanpeng Li wrote:
> +
> + rcu_read_lock();
> + map = rcu_dereference(kvm->arch.apic_map);
> +
> + for_each_set_bit(i, &ipi_bitmap_low, BITS_PER_LONG) {
> + vcpu = map->phys_map[i]->vcpu;
> + if (!kvm_apic_set_irq(vcpu, &irq, NULL))
> + return 1;
> + }
> +
> + for_each_set_bit(i, &ipi_bitmap_high, BITS_PER_LONG) {
> + vcpu = map->phys_map[i + BITS_PER_LONG]->vcpu;
> + if (!kvm_apic_set_irq(vcpu, &irq, NULL))
> + return 1;
> + }
> +
This should be the guest's BITS_PER_LONG, not the host's (i.e. you need
to pass op_64_bit from kvm_emulate_hypercall).
Thanks,
Paolo
