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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Ken Moffat <ken@kenmoffat.uklinux.net>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Problem with 745x errata in 2.6.8
Date: Sun, 19 Sep 2004 20:23:23 +1000	[thread overview]
Message-ID: <1095589403.23182.1.camel@gaston> (raw)
In-Reply-To: <Pine.LNX.4.58.0409191105090.31452@ppg_penguin.kenmoffat.uklinux.net>

On Sun, 2004-09-19 at 20:16, Ken Moffat wrote:

>  Actually, I think it's kept in a locked cupboard in a room labelled
> "beware of the leopard", in a basement at the bottom of some broken
> stairs.  FWIW, the option biting me is CPU_FTR_NEED_COHERENT - no real
> surprises there.
> 
>  I'll have another go at trying to talk to them.  Thanks for your
> responses.

Yes, we have to set the "M" (coherent) bit on all memory pages even
when not running SMP on those CPUs to work around a CPU bug.

Ben.
 

  reply	other threads:[~2004-09-19 10:24 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-17 22:03 Problem with 745x errata in 2.6.8 Ken Moffat
2004-09-18  0:01 ` Benjamin Herrenschmidt
2004-09-18  9:39   ` Ken Moffat
2004-09-18 10:09     ` Benjamin Herrenschmidt
2004-09-18 11:36       ` Ken Moffat
2004-09-18 16:37         ` Ken Moffat
2004-09-19  4:25           ` Benjamin Herrenschmidt
2004-09-19 10:16             ` Ken Moffat
2004-09-19 10:23               ` Benjamin Herrenschmidt [this message]
2004-09-19  4:21         ` Benjamin Herrenschmidt

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