Re: [PATCHv7 00/36] ARM: OMAP: clock data conversion to DT

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On Thu, 10 Oct 2013, Tero Kristo wrote:

> On 10/09/2013 09:59 PM, Paul Walmsley wrote:
> > Eh, one correction:
> > 
> > On Wed, 9 Oct 2013, Paul Walmsley wrote:
> > 
> > > We could easily wind up with kernels that won't boot at all when used
> > > with newer DT data.
> > 
> > This is a misstatement of the issue: the concern here is that newer
> > kernels may not boot at all with older DT data - which could easily be in
> > locked areas of the flash or firmware.
> 
> I wonder who would be crazy enough to put DT data into a locked area, and to
> what purpose. If you can update the kernel, there is no point locking down DT
> data, this will just cause you unnecessary misery.

The DT data will be used by bootloaders also :-(

In situations where the bootloaders are signed and locked, the security 
people are also insisting that the DT data be signed and locked.


- Paul
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