Subject: Re: [PATCH] kexec ppc64: fix misaligned cmdline

From: David Gibson <[email-masked]>
Date: Tue, 5 Jun 2007 10:16:32 +1000

On Tue, Jun 05, 2007 at 09:56:37AM +1000, Miichael Neuling wrote:
> > > If the cmdline changes between boots, we can get misalignment of the
> > > bootargs entry, which in turn corrupts our device tree blob and hence
> > > kills our kexec boot.  
> > > 
> > > Specifically, if the cmdline length was >= 8 before and the new cmdline
> > > length is < 8, we can get corruption.
> > 
> > Hrm.  Have you considered using dtc for this conversion, rather than
> > this somewhat dubious looking fs2dt?
> 
> Numerous times.  
> 
> fs2dt needs to be converted to use the device tree library, but that
> will take a lot more work than a 5 minute patch.

Well, sure.. but do you need fs2dt at all.  dtc has an "fs" input
mode..

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson