--- zzzz-none-000/linux-4.9.279/arch/x86/kernel/apic/msi.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/arch/x86/kernel/apic/msi.c	2023-02-08 11:43:42.000000000 +0000
@@ -130,6 +130,9 @@
 
 static struct msi_domain_info pci_msi_domain_info = {
 	.flags		= MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+#ifdef CONFIG_INTEL_PCI_MULTI_MSI
+			  MSI_FLAG_MULTI_PCI_MSI |
+#endif
 			  MSI_FLAG_PCI_MSIX,
 	.ops		= &pci_msi_domain_ops,
 	.chip		= &pci_msi_controller,