1 files changed, 3 insertions, 1 deletions

diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index a966d7bfac57..4266a4de3160 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -382,7 +382,9 @@ static void zpci_irq_handler(struct airq_struct *airq)
                         if (ai == -1UL)
                                 break;
                         inc_irq_stat(IRQIO_MSI);
+                        airq_iv_lock(aibv, ai);
                         generic_handle_irq(airq_iv_get_data(aibv, ai));
+                        airq_iv_unlock(aibv, ai);
                 }
         }
 }
@@ -408,7 +410,7 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
         zdev->aisb = aisb;
 
         /* Create adapter interrupt vector */
-        zdev->aibv = airq_iv_create(msi_vecs, AIRQ_IV_DATA);
+        zdev->aibv = airq_iv_create(msi_vecs, AIRQ_IV_DATA | AIRQ_IV_BITLOCK);
         if (!zdev->aibv)
                 return -ENOMEM;