1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/pci/vmd.c b/arch/x86/pci/vmd.c
index e785907acb79..57058520f219 100644
--- a/arch/x86/pci/vmd.c
+++ b/arch/x86/pci/vmd.c
@@ -218,6 +218,8 @@ static void vmd_msi_free(struct irq_domain *domain,
         struct vmd_irq *vmdirq = irq_get_chip_data(virq);
         unsigned long flags;
 
+        synchronize_rcu();
+
         /* XXX: Potential optimization to rebalance */
         raw_spin_lock_irqsave(&list_lock, flags);
         vmdirq->irq->count--;