rs/pci/msi/irqdomain.c
@@ -154,6 +154,8 @@ static void cond_shutdown_parent(struct irq_data *data)
 
 	if (unlikely(info->flags & MSI_FLAG_PCI_MSI_STARTUP_PARENT))
 		irq_chip_shutdown_parent(data);
+	else if (unlikely(info->flags & MSI_FLAG_PCI_MSI_MASK_PARENT))
+		irq_chip_mask_parent(data);
 }
 
 static unsigned int cond_startup_parent(struct irq_data *data)
@@ -162,6 +164,9 @@ static unsigned int cond_startup_parent(struct irq_data *data)
 
 	if (unlikely(info->flags & MSI_FLAG_PCI_MSI_STARTUP_PARENT))
 		return irq_chip_startup_parent(data);
+	else if (unlikely(info->flags & MSI_FLAG_PCI_MSI_MASK_PARENT))
+		irq_chip_unmask_parent(data);
+
 	return 0;
 }
 
-- 
2.51.0[PATCH 6.17 082/563] PCI/MSI: Check MSI_FLAG_PCI_MSI_MASK_PARENT in cond_[startup|shutdown]_parent()Greg Kroah-Hartman <gregkh@linuxfoundation.org> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined�