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From: Michael Ellerman <michael@ellerman.id.au>
To: linuxppc-dev@ozlabs.org
Subject: Re: parsing of some early cmdline options
Date: Fri, 24 Feb 2006 10:40:50 +1100
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On Fri, 24 Feb 2006 10:19, Benjamin Herrenschmidt wrote:
> On Thu, 2006-02-23 at 17:02 -0600, Kumar Gala wrote:
> > Guys,
> >
> > I noticed that we have code in arch/powerpc/kernel/prom_init.c to handle
> > parsing iommu=3D, mem=3D, and crashkernel=3D.
> >
> > The problem I have is that we only use/build prom_init.c on MULTIPLATFO=
RM
> > (coming from true OF).

> > Any ideas on how to handle this for the !MULTIPLATFORM cases.  I'm most
> > concerned about mem=3D.

mem=3D is a bit tricky because you need to know about it really early, othe=
rwise=20
your bootloader might violate the limit. But we could certainly check for i=
t=20
again in prom.c. And you can always just set /chosen/linux,memory-limit.

cheers

=2D-=20
Michael Ellerman
IBM OzLabs

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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