diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/kvm/vgic/vgic.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm64/kvm/vgic/vgic.c b/arch/arm64/kvm/vgic/vgic.c index 3fedc58e663a..76abf3d946fe 100644 --- a/arch/arm64/kvm/vgic/vgic.c +++ b/arch/arm64/kvm/vgic/vgic.c @@ -63,15 +63,14 @@ static struct vgic_irq *vgic_get_lpi(struct kvm *kvm, u32 intid) { struct vgic_dist *dist = &kvm->arch.vgic; struct vgic_irq *irq = NULL; - unsigned long flags; - raw_spin_lock_irqsave(&dist->lpi_list_lock, flags); + rcu_read_lock(); irq = xa_load(&dist->lpi_xa, intid); - if (irq) - vgic_get_irq_kref(irq); + if (!vgic_try_get_irq_kref(irq)) + irq = NULL; - raw_spin_unlock_irqrestore(&dist->lpi_list_lock, flags); + rcu_read_unlock(); return irq; } |