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| author | Chris Leech <christopher.leech@intel.com> | 2007-03-08 18:57:33 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2007-07-12 00:39:03 +0200 |
| commit | 000725d56a196e72dc22328324c5ec5506265736 (patch) | |
| tree | 7189116b48efd57b2de74cc924d39fc885cf4d9e /drivers/dma/dmaengine.c | |
| parent | Linux 2.6.22 (diff) | |
| download | linux-000725d56a196e72dc22328324c5ec5506265736.tar.xz linux-000725d56a196e72dc22328324c5ec5506265736.zip | |
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>
Diffstat (limited to 'drivers/dma/dmaengine.c')
0 files changed, 0 insertions, 0 deletions