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mlx5: fix mlx5_get_vector_affinity to start from completion vector 0

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The consumers of this routine expects the affinity map of of vector
index relative to the first completion vector. The upper layers are
not aware of internal/private completion vectors that mlx5 allocates
for its own usage.

Hence, return the affinity map of vector index relative to the first
completion vector.

Fixes: 05e0cc84e0 ("net/mlx5: Fix get vector affinity helper function")
Reported-by: Logan Gunthorpe <[email protected]>
Tested-by: Max Gurtovoy <[email protected]>
Reviewed-by: Max Gurtovoy <[email protected]>
Cc: <[email protected]> # v4.15
Signed-off-by: Sagi Grimberg <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Sagi Grimberg authored and Doug Ledford committed 2018-02-05 10:49:42 -05:00
1 parent 8b9b8d143b
commit 2572cf57d7
1 file changed
+1 -1
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include/linux/mlx5/driver.h
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@@ -1277,7 +1277,7 @@ mlx5_get_vector_affinity(struct mlx5_core_dev *dev, int vector)
int eqn;
int err;
err = mlx5_vector2eqn(dev, vector, &eqn, &irq);
err = mlx5_vector2eqn(dev, MLX5_EQ_VEC_COMP_BASE + vector, &eqn, &irq);
if (err)
return NULL;