The patch which introduced the usage of pci_alloc_irq_vectors
came after the patch which switched to non-threaded ISR (f0d1896fa1),
but did not use non-threaded ISR, if pci_alloc_irq_vectors
is used.
Fixes: 99bb58f3adc7 ("igb_uio: switch to new irq function for
MSI-X")
Cc: nicolas.dich...@6wind.com
Signed-off-by: Markus Theil <markus.th...@tu-ilmenau.de>
---
lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index 9bb74b2..6885e72 100644
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -323,6 +323,7 @@ igbuio_pci_enable_interrupts(struct rte_uio_pci_dev *udev)
msix_entry.entry = 0;
if (pci_enable_msix(udev->pdev, &msix_entry, 1) == 0) {
dev_dbg(&udev->pdev->dev, "using MSI-X");
+ udev->info.irq_flags = IRQF_NO_THREAD;
udev->info.irq = msix_entry.vector;
udev->mode = RTE_INTR_MODE_MSIX;
break;
--
2.7.4
