Messages in this thread Patch in this message | | | From | Thomas Gleixner <> | Subject | [patch 10/10] x86/apic/msi: Support MSI-X vector expansion | Date | Sat, 27 Nov 2021 02:24:45 +0100 (CET) |
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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(-)
--- 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,
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