@@ -178,7 +178,7 @@ static struct msi_domain_ops pci_msi_dom
static struct msi_domain_info pci_msi_domain_info = {
.flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_PCI_MSIX,
+ MSI_FLAG_PCI_MSIX | MSI_FLAG_CAN_EXPAND,
.ops = &pci_msi_domain_ops,
.chip = &pci_msi_controller,
.handler = handle_edge_irq,
@@ -226,7 +226,7 @@ static struct irq_chip pci_msi_ir_contro
static struct msi_domain_info pci_msi_ir_domain_info = {
.flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX,
+ MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX | MSI_FLAG_CAN_EXPAND,
.ops = &pci_msi_domain_ops,
.chip = &pci_msi_ir_controller,
.handler = handle_edge_irq,
The X86 PCI/MSI irq domaim implementation supports vector expansion out of the box. Make it available. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- arch/x86/kernel/apic/msi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)