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igb: Remove unnecessary flag setting in igb_set_flag_queue_pairs()

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If VFs are enabled (max_vfs >= 1), both max_rss_queues and
adapter->rss_queues are set to 2 in the case of e1000_82576.
In this case, IGB_FLAG_QUEUE_PAIRS is always set in the default block as a
result of fall-through, thus setting it in the e1000_82576 block is not
necessary.

Signed-off-by: Shota Suzuki <suzuki_shota_t3@lab.ntt.co.jp>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Shota Suzuki 2015-12-11 18:43:59 +09:00 committed by Jeff Kirsher
parent 667f00630e
commit ceb2775998
1 changed files with 0 additions and 8 deletions
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8
drivers/net/ethernet/intel/igb/igb_main.c
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@ -2921,14 +2921,6 @@ void igb_set_flag_queue_pairs(struct igb_adapter *adapter,
/* Device supports enough interrupts without queue pairing. */
break;
case e1000_82576:
/* If VFs are going to be allocated with RSS queues then we
* should pair the queues in order to conserve interrupts due
* to limited supply.
*/
if ((adapter->rss_queues > 1) &&
(adapter->vfs_allocated_count > 6))
adapter->flags |= IGB_FLAG_QUEUE_PAIRS;
/* fall through */
case e1000_82580:
case e1000_i350:
case e1000_i354: