When blacklisting network adapters that share a PCI bus address with multiple
ports such as Mellanox ConnectX-3 (librte_pmd_mlx4), RTE applications
enter infinite loops while probing PCI devices.
This commit removes this probe on subsequent instances for blacklisted devices
that have RTE_PCI_DRV_MULTIPLE set.
Acked-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>
Signed-off-by: Julien Courtat <julien.courtat at 6wind.com>
---
lib/librte_eal/common/eal_common_pci.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/lib/librte_eal/common/eal_common_pci.c
b/lib/librte_eal/common/eal_common_pci.c
index 3a6ab70..4e1a944 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -91,9 +91,11 @@ pci_probe_all_drivers(struct rte_pci_device *dev)
if (rte_eal_pci_probe_one_driver(dr, dev))
continue;
/* initialize subsequent driver instances for this device */
- if (dr->drv_flags & RTE_PCI_DRV_MULTIPLE)
+ if ((dr->drv_flags & RTE_PCI_DRV_MULTIPLE) &&
+ (!dev->blacklisted)) {
while (rte_eal_pci_probe_one_driver(dr, dev) == 0)
;
+ }
return 0;
}
return -1;
--
1.7.2.5
