[patch 10/10] x86/apic/msi: Support MSI-X vector expansion

[Thomas Gleixner <tglx@xxxxxxxxxxxxx>]

The X86 PCI/MSI irq domaim implementation supports vector expansion out of
the box. Make it available.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 arch/x86/kernel/apic/msi.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
@@ -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,