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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo en vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/
Más información sobre la lista de distribución Ayuda