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Subject: Re: [Cbe-oss-dev] [PATCH] Ignore memory listed in PS3 device tree
From: Michael Ellerman <michael@ellerman.id.au>
To: Segher Boessenkool <segher@kernel.crashing.org>
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Date: Mon, 02 Apr 2007 10:20:20 +1000
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On Fri, 2007-03-30 at 15:25 +0200, Segher Boessenkool wrote:
> > The old 2.6.16 kernel handled memory statically and it was shown in the
> > device tree. The current kernel deals with the hypervisor and hotplugs
> > the memory, so we should just ignore anything that's reported in the
> > device-tree. This enables the current kernel to be booted from 2.6.16
> > without evil hacks in head_64.S to override the device-tree.
>=20
> Surely when you are booted you already have some
> memory plugged for you -- shouldn't that memory be
> in the device tree?

See ps3_mm_init(), called from _probe_.

cheers

--=20
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person

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