[dpdk-dev] [PATCH 1/3] uio: fix irq handling with igb_uio

Thomas Monjalon thomas.monjalon at 6wind.com
Wed May 13 11:31:31 CEST 2015


2015-04-30 17:27, Bruce Richardson:
> On Tue, Apr 28, 2015 at 09:36:38AM -0700, Stephen Hemminger wrote:
> > The introduction of uio_pci_generic broke interrupt handling with
> > igb_uio. The igb_uio device uses the kernel read/write method to
> > enable disable IRQ's; the uio_pci_generic has to use PCI intx
> > config read/write to enable disable interrupts.
> > 
> > Since igb_uio uses MSI-X the PCI intx config read/write won't
> > work.
> > 
> > Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> 
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>

Fixes: c112df6875a5 ("eal/linux: toggle interrupt for uio_pci_generic")

Applied this fix without the rest of the series (incomplete enhancements).
Thanks for the good work on pci interrupts.



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