IB/mthca: Give reserved MTTs a separate cache line

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MTTs are allocated in non-cache-coherent memory, so we must give
reserved MTTs their own cache line, to prevent both device and
CPU from writing into the same cache line at the same time.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

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Michael S. Tsirkin 2007-02-10 23:17:26 +02:00 • committed by Roland Dreier

parent c7d204e8fd

commit 1d1f19cfce

1 changed files with 4 additions and 0 deletions

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drivers/infiniband/hw/mthca/mthca_main.c

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