Updated 2.3.x job list (its getting shorter)

Jamie Lokier lkd en tantalophile.demon.co.uk
Lun Ene 31 16:20:06 CST 2000


Jeff Garzik wrote:
> On Sun, 30 Jan 2000, Jamie Lokier wrote:
> > How much hardware can do _ISA_ scatter/gather DMA?
> 
> * allocate scatter-gather buffers
> * point hardware to buffer #1
> * in interrupt handler or bottom half:
> 	process buffer
> 	point hardware at buffer #2
> 
> And now your old ISA hardware does scatter-gather.

Usually you don't need megs of DMA memory for that: you can just keep
re-using the same buffers in a ring configuation.

-- Jamie

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