Re: [PATCH] arm/tegra: select AUTO_ZRELADDR by default

[Nicolas Pitre]

On Fri, 14 Oct 2011, Russell King - ARM Linux wrote:

> On Fri, Oct 14, 2011 at 04:14:12PM -0400, Nicolas Pitre wrote:
> > On Fri, 14 Oct 2011, Russell King - ARM Linux wrote:
> > 
> > > On Fri, Oct 14, 2011 at 02:01:07PM -0400, Nicolas Pitre wrote:
> > > > The way I'm restructuring things around this is that AUTO_ZRELADDR will 
> > > > always be active by default, just like ARM_PATCH_PHYS_VIRT now.  This 
> > > > platform specific exclusion thinking is a step backward so I'd prefer if 
> > > > people would refrain from going there for the moment.
> > > 
> > > Are you expecting everyone to change the way they load the zImage
> > > overnight then?
> > 
> > No, of course.  But adding restrictions in the kernel build because 
> > u-Boot's own image format dictates such restrictions doesn't make sense.  
> > Those restrictions must be pushed towards the uImage encapsulation step, 
> > not higher the kernel config hierarchy.
> 
> You're not understanding again.
> 
> I'm talking about people who _explicitly_ load the zImage at a different
> address to which the decompressed image ends up.  With AUTO_ZRELADDR=y
> their setup will break unless they stop that behaviour, which takes
> away one of the advantages of using the zImage format.

Would you care to explain where you got this from?  Because I really do 
not understand what you're saying indeed.

With AUTO_ZRELADDR=y you _still_ can load zImage to a different location 
from where the decompressed kernel ends up.


Nicolas
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