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4fc570bcbe
kernel-ark/drivers/infiniband/hw
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Ralph Campbell 4fc570bcbe IB/ipath: Add barrier before updating WC head in shared memory 
Add a barrier to make sure the CPU doesn't reorder writes to memory,
since user programs can be polling on the head index update and the
entry should be written before that.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-07-09 20:12:26 -07:00
..
amso1100 IB: Use menuconfig for InfiniBand menu 2007-07-09 20:12:26 -07:00
cxgb3 IB: Use menuconfig for InfiniBand menu 2007-07-09 20:12:26 -07:00
ehca IB: Use menuconfig for InfiniBand menu 2007-07-09 20:12:26 -07:00
ipath IB/ipath: Add barrier before updating WC head in shared memory 2007-07-09 20:12:26 -07:00
mlx4 IB: Use menuconfig for InfiniBand menu 2007-07-09 20:12:26 -07:00
mthca IB: Use menuconfig for InfiniBand menu 2007-07-09 20:12:26 -07:00