diff options
| author | Amir Vadai <amirv@mellanox.com> | 2014-06-29 12:54:55 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-07-03 05:29:23 +0400 |
| commit | 35f6f45368632f21bd27559c44dbb1cab51d8947 (patch) | |
| tree | 0d1401763591079cb2d2300a0313f5c205593677 /drivers/net/ethernet/mellanox/mlx4/en_cq.c | |
| parent | 1b037474d0c0b5ceb65bc809e3d8ac4497ee041b (diff) | |
| download | linux-35f6f45368632f21bd27559c44dbb1cab51d8947.tar.xz | |
net/mlx4_en: Don't use irq_affinity_notifier to track changes in IRQ affinity map
IRQ affinity notifier can only have a single notifier - cpu_rmap
notifier. Can't use it to track changes in IRQ affinity map.
Detect IRQ affinity changes by comparing CPU to current IRQ affinity map
during NAPI poll thread.
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Ben Hutchings <ben@decadent.org.uk>
Fixes: 2eacc23 ("net/mlx4_core: Enforce irq affinity changes immediatly")
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_cq.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_cq.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c index 4b2130760eed..1213cc71348c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c @@ -128,6 +128,10 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, mlx4_warn(mdev, "Failed assigning an EQ to %s, falling back to legacy EQ's\n", name); } + + cq->irq_desc = + irq_to_desc(mlx4_eq_get_irq(mdev->dev, + cq->vector)); } } else { cq->vector = (cq->ring + 1 + priv->port) % |