On Wed, Mar 14, 2018 at 09:20:48PM +0530, Oza Pawandeep wrote: > Current DPC driver acknowledges the interrupt in deferred work, which works > since MSI are edge triggered. > > But when MSI is disabled (e.g. pci=nomsi boot option) port service > driver falls back to PCI legacy INT interrupt. > > With current code we do not acknowledge the interrupt back in dpc_irq() > and we get dpc interrupt storm. > > This patch acknowledges the interrupt in interrupt handler. > > Signed-off-by: Oza Pawandeep <poza@xxxxxxxxxxxxxx> Thanks, this looks good to me. Reviewed-by: Keith Busch <keith