[dpdk-dev] [PATCH 2/2] igb_uio: handle no IRQ fallback

2014-07-25 10:37, Stephen Hemminger: > Fix a couple of issues with my earlier igb_uio stuff: > 1. With MSI (like MSI-X) actual IRQ number is not known until >after the pci_enable_msi() is done. > 2. If INTX fails, fall back to running without IRQ. >This allows usermode PCI to recover and ru

[dpdk-dev] [PATCH 2/2] igb_uio: handle no IRQ fallback

Fix a couple of issues with my earlier igb_uio stuff: 1. With MSI (like MSI-X) actual IRQ number is not known until after the pci_enable_msi() is done. 2. If INTX fails, fall back to running without IRQ. This allows usermode PCI to recover and run without out IRQ for cases where PCI INTX s