--- zzzz-none-000/linux-5.15.111/arch/x86/kernel/apic/msi.c 2023-05-11 14:00:40.000000000 +0000 +++ puma7-atom-6670-761/linux-5.15.111/arch/x86/kernel/apic/msi.c 2024-02-07 10:22:35.000000000 +0000 @@ -180,6 +180,9 @@ 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,