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/openbmc/linux/drivers/infiniband/hw/mthca/ |
H A D | mthca_main.c | 1d1f19cf Sat Feb 10 15:17:26 CST 2007 Michael S. Tsirkin <mst@mellanox.co.il> IB/mthca: Give reserved MTTs a separate cache line
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> 1d1f19cf Sat Feb 10 15:17:26 CST 2007 Michael S. Tsirkin <mst@mellanox.co.il> IB/mthca: Give reserved MTTs a separate cache line 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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