On Tue, Jun 08, 2004 at 10:10:25AM +0100, Robert Swindells wrote:
> Michael Zucca wrote:
> >I've sent in preliminary DMA support for the AV's in the form of a PR. 
> >However, the performance still isn't great because while the data gets 
> >moved with the DMA engine instead of the CPU, the NCR SCSI chip doesn't 
> >ship much data because it's stuck in asyc transfer mode. Some work needs 
> >to happen to get synchronous transfers to work. If synchronous transfers 
> >worked, I have no doubt that DMA transfers would be quite fast, even in 
> >their preliminary state. Furhter optimizations could happen on the DMA 
> >transfers after that but they are window dressing compared to getting 
> >sync transfers to work.
> 
> Any chance of generating diffs of this ?

For the preliminary DMA support or the sync transfer stuff? The DMA
support is referenced in PR #24883. As far as I know, nobody has sync
transfers working.
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