diff options
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-mmio-v2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v2.c b/virt/kvm/arm/vgic/vgic-mmio-v2.c index b44b359cbbad..78e34bc4d89b 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v2.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v2.c @@ -129,6 +129,7 @@ static void vgic_mmio_write_target(struct kvm_vcpu *vcpu, unsigned long val) { u32 intid = VGIC_ADDR_TO_INTID(addr, 8); + u8 cpu_mask = GENMASK(atomic_read(&vcpu->kvm->online_vcpus) - 1, 0); int i; /* GICD_ITARGETSR[0-7] are read-only */ @@ -141,7 +142,7 @@ static void vgic_mmio_write_target(struct kvm_vcpu *vcpu, spin_lock(&irq->irq_lock); - irq->targets = (val >> (i * 8)) & 0xff; + irq->targets = (val >> (i * 8)) & cpu_mask; target = irq->targets ? __ffs(irq->targets) : 0; irq->target_vcpu = kvm_get_vcpu(vcpu->kvm, target); |