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NTB: Improve performance with write combining
authorDave Jiang <dave.jiang@intel.com>
Tue, 19 May 2015 20:45:46 +0000 (16:45 -0400)
committerJon Mason <jdmason@kudzu.us>
Sat, 4 Jul 2015 18:09:21 +0000 (14:09 -0400)
commit9c876b5e39c0abdc1b9df51ec89700850426adb2
treec7dd7a7c0e94bd380a1c89d7d14e5c600c15ad78tree | snapshot
parent35dd31bfc5b86512da3054d967dec89682dd9ddccommit | diff
NTB: Improve performance with write combining

Changing the memory window BAR mappings to write combining significantly
boosts the performance.  We will also use memcpy that uses non-temporal
store, which showed performance improvement when doing non-cached
memcpys.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
drivers/ntb/ntb_transport.c diff | blob | history
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