From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: "sarah.ddff" <sarah.ddff@gmail.com>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: two linux 2.6 kernels on two ppc405 (xupv2p) ?
Date: Fri, 12 Dec 2008 20:29:52 -0500 [thread overview]
Message-ID: <20081212202952.48ef12c3@zod.rchland.ibm.com> (raw)
In-Reply-To: <20978466.post@talk.nabble.com>
On Fri, 12 Dec 2008 08:13:26 -0800 (PST)
"sarah.ddff" <sarah.ddff@gmail.com> wrote:
>
> Hi all,
> I want to implement a multiprocessor system managed by a linux kernel on the
> xupv2p.
> I knwo that there is no cache coherency between the two ppc405 cores.
> Consequently,
> SMP linux can not be used.
> So the only solution is to install two linux kernels, each on a ppc
> processor,
> and to make them communicate with shared memory.
> My questions are:
> does someone succeed in doing this?
> Is it possible to do this ?
AMCC has created a dual-460GT board called Arches. I have no idea how
it actually works because it faces the same issues a dual-405 board
would, but apparently someone must use it somewhere.
Basic Arches support is in the kernel, but it's only for a single
processor from what I can see.
josh
prev parent reply other threads:[~2008-12-13 1:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-12 16:13 two linux 2.6 kernels on two ppc405 (xupv2p) ? sarah.ddff
2008-12-13 1:29 ` Josh Boyer [this message]
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