IB/ipath: Performance optimization for CPU differences

Browse source

Different processors have different ordering restrictions for write
combining.  By taking advantage of this, we can eliminate some write
barriers when writing to the send buffers.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

...

This commit is contained in:

Ralph Campbell 2007-07-24 13:55:39 -07:00 • committed by Roland Dreier

parent 327a338d4f

commit 210d6ca3db

4 changed files with 53 additions and 35 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

22

drivers/infiniband/hw/ipath/ipath_diag.c

View file

2

drivers/infiniband/hw/ipath/ipath_iba6120.c

View file

2

drivers/infiniband/hw/ipath/ipath_kernel.h

View file

62

drivers/infiniband/hw/ipath/ipath_verbs.c

View file