From: Benjamin Herrenschmidt <bh40@calva.net>
To: linuxppc-dev@lists.linuxppc.org,
"Timothy A. Seufert" <tas@mindspring.com>
Subject: Re: Great IDE perf (WAS: Strange PMAC IDE performance)
Date: Thu, 7 Jan 1999 21:15:51 +0100 [thread overview]
Message-ID: <19990107211551.009756@mail.mipsys.com> (raw)
In-Reply-To: <v04011700b2bab10bde9f@[209.86.156.161]>
On Thu, Jan 7, 1999, Timothy A. Seufert <tas@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@calva.net>
BenH. Web : <http://calvaweb.calvacom.fr/bh40/>
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next prev parent reply other threads:[~1999-01-07 20:15 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-01-05 8:52 Strange PMAC IDE performance problem Timothy A. Seufert
1999-01-05 11:33 ` Albrecht Dreß
1999-01-05 17:52 ` Marcus H. Mendenhall
1999-01-05 18:49 ` Timothy A. Seufert
1999-01-05 22:48 ` Benjamin Herrenschmidt
1999-01-06 5:56 ` Dan Malek
1999-01-06 9:59 ` Benjamin Herrenschmidt
1999-01-06 9:23 ` Albrecht Dreß
1999-01-06 10:02 ` Benjamin Herrenschmidt
1999-01-06 23:22 ` Paul Mackerras
1999-01-07 9:11 ` Benjamin Herrenschmidt
1999-01-05 22:39 ` Paul Mackerras
1999-01-06 6:01 ` Paul Mackerras
1999-01-06 11:51 ` Benjamin Herrenschmidt
1999-01-06 16:02 ` Great IDE perf (WAS: Strange PMAC IDE performance) Benjamin Herrenschmidt
1999-01-07 11:12 ` Timothy A. Seufert
1999-01-07 11:32 ` Paul Mackerras
1999-01-07 18:59 ` Timothy A. Seufert
1999-01-07 11:59 ` Benjamin Herrenschmidt
1999-01-07 18:59 ` Timothy A. Seufert
1999-01-07 20:15 ` Benjamin Herrenschmidt [this message]
1999-01-08 2:06 ` Paul Mackerras
1999-01-08 3:30 ` Benjamin Herrenschmidt
[not found] <19990106170222.030778>
1999-01-06 17:21 ` Benjamin Herrenschmidt
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