Messages in this thread |  | | Date | Fri, 19 Jan 2001 02:55:57 -0800 (PST) | From | Andre Hedrick <> | Subject | Re: Is sendfile all that sexy? |
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On Fri, 19 Jan 2001, Roman Zippel wrote:
> Hi, > > On Thu, 18 Jan 2001, Linus Torvalds wrote: > > > > I agree, it's device dependent, but such hardware exists. > > > > Show me any practical case where the hardware actually exists. > > http://www.augan.com > > > I do not know of _any_ disk controllers that let you map the controller > > buffers over PCI. Which means that with current hardware, you have to > > assume that the disk is the initiator of the PCI-PCI DMA requests. Agreed?
Err, first-party DMA devices do this, I think. I do have some of these on the radar map.
Andre Hedrick Linux ATA Development
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