From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Chris Friesen <cfriesen@nortelnetworks.com>
Cc: Zwane Mwaikambo <zwane@arm.linux.org.uk>,
Andrew Morton <akpm@osdl.org>,
Linux PPC64 <linuxppc64-dev@ozlabs.org>,
Anton Blanchard <anton@samba.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] PPC64 pmac hotplug cpu
Date: Tue, 18 Jan 2005 11:49:15 +1100 [thread overview]
Message-ID: <1106009355.4533.19.camel@gaston> (raw)
In-Reply-To: <41EBD662.1080409@nortelnetworks.com>
On Mon, 2005-01-17 at 09:14 -0600, Chris Friesen wrote:
> Benjamin Herrenschmidt wrote:
>
> > Well.. the cache flush part requires some not-really-documentd stuff on
> > the 970, but I'll try to come up with something.
>
> Details? We've got a cache-flush routine put together based on the
> documentation that seems to be working, but if there's something else
> that has to be done I'd love to know about it.
Well, I don't have all the details at hand right now, but it involves
using SCOM (with appropriate workarounds for CPU SCOM bugs on some
970's) to switch the L2 to direct addressing iirc.
Ben.
prev parent reply other threads:[~2005-01-18 0:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-14 0:43 [PATCH] PPC64 pmac hotplug cpu Zwane Mwaikambo
2005-01-15 22:23 ` Benjamin Herrenschmidt
2005-01-17 4:37 ` Zwane Mwaikambo
2005-01-17 4:47 ` Benjamin Herrenschmidt
2005-01-17 5:35 ` Zwane Mwaikambo
2005-01-17 15:14 ` Chris Friesen
2005-01-18 0:49 ` Benjamin Herrenschmidt [this message]
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