[PATCH] kexec-tools: do not copy 1st kernel root= param in fs2dt.c

[Dave Young]

On 10/23/15 at 11:19am, Dave Young wrote:
> Hi, Simon
> 
> > 
> > > 
> > > Also, won't this affect other architectures that use DT.
> > > I'm thinking about ARM. If so it might be good to tweak the changelog.
> > 
> > arm also uses the function, but I need verify the behavior. Will tune the changelog
> > after I confirming it.
> 
> kexec on arm will have same problem when there's no external dtb being passed.
> But kexec kernel failed to start up during my test there may be other problems.
> 
> I will work out a new patch for new option about skip adding root= from 1st kernel.

Simon, for the new option, I'm thinking to create a "--dt-no-old-root". It can be
a general option, or arch dependent one for arm and ppc64. What do you prefer?

Thanks
Dave