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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2019-10-07 15:07:24 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2019-11-01 13:20:18 -0700
commit2c19e395e061a1c1442e0623ce5ec88ecc6c5a9b (patch)
tree5682380ccaf2c978ee98d83af6c13fd11dc538bb /drivers
parent8d5cfd7f76a2414e23c74bb8858af7540365d985 (diff)
downloadlinux-2c19e395e061a1c1442e0623ce5ec88ecc6c5a9b.tar.bz2
i40e: Fix receive buffer starvation for AF_XDP
Magnus's fix to resolve a potential receive buffer starvation for AF_XDP got applied to both the i40e_xsk_umem_enable/disable() functions, when it should have only been applied to the "enable". So clean up the undesired code in the disable function. CC: Magnus Karlsson <magnus.karlsson@intel.com> Fixes: 1f459bdc2007 ("i40e: fix potential RX buffer starvation for AF_XDP") Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_xsk.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index b1c3227ae4ab..a05dfecdd9b4 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -157,11 +157,6 @@ static int i40e_xsk_umem_disable(struct i40e_vsi *vsi, u16 qid)
err = i40e_queue_pair_enable(vsi, qid);
if (err)
return err;
-
- /* Kick start the NAPI context so that receiving will start */
- err = i40e_xsk_wakeup(vsi->netdev, qid, XDP_WAKEUP_RX);
- if (err)
- return err;
}
return 0;