lkml.org 
[lkml]   [2018]   [Jul]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v3 4/6] KVM: X86: Implement PV IPIs send hypercall
From
Date
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

\
 
 \ /
  Last update: 2018-07-19 18:47    [W:0.238 / U:2.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site