]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: b956382) | patch
ioatdma: Push pending transactions to hardware more frequently
authorChris Leech <christopher.leech@intel.com>
Thu, 8 Mar 2007 17:57:33 +0000 (09:57 -0800)
committerDan Williams <dan.j.williams@intel.com>
Wed, 11 Jul 2007 22:39:03 +0000 (15:39 -0700)
commit9ee50a85054625190c84332dfdb3151bf4d913f8
tree7189116b48efd57b2de74cc924d39fc885cf4d9etree | snapshot
parentb95638200d2829c5d77f0c233c981c15246e2b88commit | diff
ioatdma: Push pending transactions to hardware more frequently
Every 20 descriptors turns out to be to few append commands with
newer/faster CPUs.  Pushing every 4 still cuts down on MMIO writes to an
acceptable level without letting the DMA engine run out of work.

Signed-off-by: Chris Leech <christopher.leech@intel.com>
drivers/dma/ioatdma.c diff | blob | history
Linux Kernel Source Tree.