[patch 2/3] PCI/MSI: Set MSI_FLAG_MUST_REACTIVATE in core code

[Thomas Gleixner]

If interrupt reservation mode is enabled then the PCI/MSI interrupts must
be reactivated after early activation.

Make sure that all callers of pci_msi_create_irq_domain() have the
MSI_FLAG_MUST_REACTIVATE set when reservation mode is enabled.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 drivers/pci/msi.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -1441,6 +1441,8 @@ struct irq_domain *pci_msi_create_irq_do
 		pci_msi_domain_update_chip_ops(info);
 
 	info->flags |= MSI_FLAG_ACTIVATE_EARLY;
+	if (IS_ENABLED(CONFIG_GENERIC_IRQ_RESERVATION))
+		info->flags |= MSI_FLAG_MUST_REACTIVATE;
 
 	domain = msi_create_irq_domain(fwnode, info, parent);
 	if (!domain)