Re: [sodaville] [PATCH 02/11] x86: Add device tree support

[H. Peter Anvin]

On 01/03/2011 09:52 AM, Grant Likely wrote:
> 
> I think we've got an impedance mismatch.
> 
> The whole point of the ppc boot wrapper, and the kind of boot wrapper
> that I'm talking about here, is that it becomes part of the kernel
> image and is *not* part of firmware.  ie. an executable wrapper which
> carries the kernel as it's payload.  I'm wary too of depending of
> firmware to get things right because it can be so painful to change.
> 

The problem with that kind of boot wrapper is that they are
per-architecture, increasing the differences between architectures
needlessly, and they are often implemented very poorly.

As such, it's nice to have an ultimate fallback that doesn't depend on
anything outside ours -- the kernel community's -- control.

	-hpa
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