Great IDE perf (WAS: Strange PMAC IDE performance)
Benjamin Herrenschmidt
bh40 at calva.net
Fri Jan 8 07:15:51 EST 1999
On Thu, Jan 7, 1999, Timothy A. Seufert <tas at mindspring.com> wrote:
>It's "ohare-ata". Should apply to any machine with the O'Hare I/O ASIC
>(which includes many (all?) of the desktop 603e PCI machines, not just the
>older PCI PowerBooks).
I'm a little bit afraid of enabling this for older machines blindly. I
think I'll do a patch that looks for a specific config option on the
command line until enough people have tested it. After all, this may put
user's datas at risk.
Until Paul finds a more clear meaning of all this, this option should
allow to test if the values we found in MacOS are fine for all machines.
I could add code to BootX that sends the current MacOS values to linux
but this would really be too hackish, I think.
I'll update my test kernel and patch set later tonight or tomorrow.
--
E-Mail: <mailto:bh40 at calva.net>
BenH. Web : <http://calvaweb.calvacom.fr/bh40/>
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