On Wed, Nov 16 2022 at 10:26, Bjorn Helgaas wrote: >> /** >> + * pci_disable_msix() - Disable MSI-X interrupt mode on device >> + * @dev: the PCI device to operate on >> + * >> + * Legacy device driver API to disable MSI-X interrupt mode on device, >> + * free earlier-allocated interrupt vectors, and restore INTx emulation. > > Isn't INTx *emulation* a PCIe implementation detail? Doesn't seem > relevant to callers that it's emulated. Don't know how the emulation ended up there. It restores INTx which is obvioulsy not a wire on PCIe... But yes, it's uninteresting.