> In fact, regular IDE DMA allows arbitrary scatter-gather at least in
> theory. Linux has never used it, so I don't know how well it works in
Purely in theory, as Jeff found out.
> But despite a lot of likely practical reasons why it won't work for
> arbitrary sg lists on plain IDE DMA, there is no _theoretical_ reason it
> wouldn't. And there are bound to be better controllers that could handle
> it.
I2O controllers are required too handle it (most dont) and some of the high
end scsi/fc controllers even get it right
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed Feb 07 2001 - 21:00:22 EST