Re: [PATCH v2] vfio: pci: Check INTx availability before enabling them

2025-03-18 Thread Alex Williamson
On Tue, 18 Mar 2025 17:52:53 + Shivaprasad G Bhat wrote: > Currently, the PCI_INTERRUPT_PIN alone is checked before enabling > the INTx. It is also necessary to have the IRQ Lines assigned for > the INTx to work. > > The problem was observed on Power10 systems which primarily use > MSI-X, an

[PATCH v2] vfio: pci: Check INTx availability before enabling them

2025-03-18 Thread Shivaprasad G Bhat
Currently, the PCI_INTERRUPT_PIN alone is checked before enabling the INTx. It is also necessary to have the IRQ Lines assigned for the INTx to work. The problem was observed on Power10 systems which primarily use MSI-X, and LSI lines are not connected on all devices under a PCIe switch. In this c