On 17-12-07 03:05, H. Peter Anvin wrote:
Incidentally, I had the thought earlier today that port 0xf0 might be a
suitable delay port. It is used only by the 387-emulating-a-287 hack
for IRQ 13, which Linux doesn't use on 486+.
[EMAIL PROTECTED]:~/src/port80$ su -c ./port80
cycles: out 2400, in 2400
[EMAIL PROTECTED]:~/src/port80$ su -c ./portf0
cycles: out 2400, in 2400
(Duron 1300)
I suppose you mean using it instead of port 0x80 always and not just as an
alternate port? For the latter 0xed is alright I guess...
Rene.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
