[PATCH RFC 74/77] vmxnet3: Limit number of rx queues to 1 if per-queue MSI-Xs failed

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
---
 drivers/net/vmxnet3/vmxnet3_drv.c |   16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 3df7f32..00dc0d0 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -2814,12 +2814,14 @@ vmxnet3_alloc_intr_resources(struct vmxnet3_adapter *adapter)
 
 		err = vmxnet3_acquire_msix_vectors(adapter,
 						   adapter->intr.num_intrs);
-		/* If we cannot allocate one MSIx vector per queue
-		 * then limit the number of rx queues to 1
-		 */
-		if (err == VMXNET3_LINUX_MIN_MSIX_VECT) {
-			if (adapter->share_intr != VMXNET3_INTR_BUDDYSHARE
-			    || adapter->num_rx_queues != 1) {
+		if (!err) {
+			/* If we cannot allocate one MSIx vector per queue
+			 * then limit the number of rx queues to 1
+			 */
+			if ((adapter->intr.num_intrs ==
+			     VMXNET3_LINUX_MIN_MSIX_VECT) &&
+			    ((adapter->share_intr != VMXNET3_INTR_BUDDYSHARE) ||
+			     (adapter->num_rx_queues != 1))) {
 				adapter->share_intr = VMXNET3_INTR_TXSHARE;
 				netdev_err(adapter->netdev,
 					   "Number of rx queues : 1\n");
@@ -2829,8 +2831,6 @@ vmxnet3_alloc_intr_resources(struct vmxnet3_adapter *adapter)
 			}
 			return;
 		}
-		if (!err)
-			return;
 
 		/* If we cannot allocate MSIx vectors use only one rx queue */
 		dev_info(&adapter->pdev->dev,
-- 
1.7.7.6

--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]
  Powered by Linux