[08/12] eal/pci: Collapse loops in rte_pci_get_iommu_class
diff mbox series

Message ID 20190530174819.1160221-9-benjamin.walker@intel.com
State Superseded, archived
Headers show
Series
  • [01/12] eal: Make rte_eal_using_phys_addrs work sooner
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Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail Compilation issues

Commit Message

Ben Walker May 30, 2019, 5:48 p.m. UTC 
The three loops can now be easily combined into one.

This is slightly less efficient than before because it
doesn't break out early. But that can be addressed
later.

Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Change-Id: Ic97155bb478dddbcbeaa6d51947684ffef219a52
---
 drivers/bus/pci/linux/pci.c | 19 +++----------------
 1 file changed, 3 insertions(+), 16 deletions(-)

Patch
diff mbox series 

diff --git a/drivers/bus/pci/linux/pci.c b/drivers/bus/pci/linux/pci.c
index f678d2318..11e2e4d1b 100644
--- a/drivers/bus/pci/linux/pci.c
+++ b/drivers/bus/pci/linux/pci.c
@@ -604,15 +604,7 @@  rte_pci_get_iommu_class(void)
 		if (dev->kdrv != RTE_KDRV_UNKNOWN &&
 		    dev->kdrv != RTE_KDRV_NONE) {
 			is_bound = true;
-			break;
 		}
-	}
-	if (!is_bound)
-		return RTE_IOVA_DC;
-
-	FOREACH_DEVICE_ON_PCIBUS(dev) {
-		if (pci_ignore_device(dev))
-			continue;
 
 		if (dev->kdrv == RTE_KDRV_VFIO) {
 			FOREACH_DRIVER_ON_PCIBUS(drv) {
@@ -630,15 +622,7 @@  rte_pci_get_iommu_class(void)
 					break;
 				}
 			}
-
-			if (has_iova_va)
-				break;
 		}
-	}
-
-	FOREACH_DEVICE_ON_PCIBUS(dev) {
-		if (pci_ignore_device(dev))
-			continue;
 
 		if (dev->kdrv == RTE_KDRV_IGB_UIO ||
 		   dev->kdrv == RTE_KDRV_UIO_GENERIC) {
@@ -646,6 +630,9 @@  rte_pci_get_iommu_class(void)
 		}
 	}
 
+	if (!is_bound)
+		return RTE_IOVA_DC;
+
 #ifdef VFIO_PRESENT
 	is_vfio_noiommu_enabled = rte_vfio_noiommu_is_enabled() == true ?
 					true : false;