Merge tag 'irq_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Borislav Petkov:

 - Fix a case of recursive locking in the MSI code

 - Fix a randconfig build failure in armada-370-xp irqchip

* tag 'irq_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/irq-msi-lib: Fix build with PCI disabled
  PCI/MSI: Prevent recursive locking in pci_msix_write_tph_tag()

Author: torvalds

drivers/pci/msi/msi.c

@@ -934,10 +934,12 @@ int pci_msix_write_tph_tag(struct pci_dev *pdev, unsigned int index, u16 tag)
 	if (!pdev->msix_enabled)
 		return -ENXIO;
 
-	guard(msi_descs_lock)(&pdev->dev);
 	virq = msi_get_virq(&pdev->dev, index);
 	if (!virq)
 		return -ENXIO;
+
+	guard(msi_descs_lock)(&pdev->dev);
+
 	/*
 	 * This is a horrible hack, but short of implementing a PCI
 	 * specific interrupt chip callback and a huge pile of

include/linux/irqchip/irq-msi-lib.h

@@ -17,6 +17,7 @@
 
 #define MATCH_PLATFORM_MSI	BIT(DOMAIN_BUS_PLATFORM_MSI)
 
+struct msi_domain_info;
 int msi_lib_irq_domain_select(struct irq_domain *d, struct irq_fwspec *fwspec,
 			      enum irq_domain_bus_token bus_token);