[PATCH] arm/tegra: select AUTO_ZRELADDR by default

Nicolas Pitre nico at fluxnic.net
Fri Oct 14 18:26:20 EDT 2011


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

> On Fri, Oct 14, 2011 at 04:31:12PM -0400, Nicolas Pitre wrote:
> > 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.
> 
> My I point out that it's you who decided that I was talking about u-boot
> when I said no such thing in my message.  I merely pointed out about
> those people who may be loading the zImage elsewhere in memory and using
> that facility to cut down on the boot time.  u-boot can't load zImages
> directly.
> 
> Yet you started nattering on about uboot - which we know is a pile of
> crap for dealing with this stuff.

OK, sorry for confusing matters.



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