Re: [PATCH] usb: hcd: Revert 306c54d0edb6ba94d39877524dddebaad7770cf2: Try MSI interrupts on PCI devices

On Tue, Jul 13, 2021 at 02:50:42PM -0400, Laurence Oberman wrote:

Customers have been reporting that the I/O is radically being slowed down to HPE virtual USB ILO served DVD images during installation.

Side note:

Simple changing

- retval = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_LEGACY | PCI_IRQ_MSI); + retval = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_LEGACY);

should have the same effect without touching tons of a good code.