Merge branch 'mlx4-next'
Or Gerlitz says:
====================
mlx4: CQE/EQE stride support
This series from Ido Shamay is intended for archs having
cache line larger then 64 bytes.
Since our CQE/EQEs are generally 64B in those systems, HW will write
twice to the same cache line consecutively, causing pipe locks due to
he hazard prevention mechanism. For elements in a cyclic buffer, writes
are consecutive, so entries smaller than a cache line should be
avoided, especially if they are written at a high rate.
Reduce consecutive writes to same cache line in CQs/EQs, by allowing the
driver to increase the distance between entries so that each will reside
in a different cache line.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>