[PATCH v5.5] of/fdt: export fdt blob as /sys/firmware/fdt

[grant.likely@linaro.org (Grant Likely)]

On Wed, 19 Nov 2014 13:09:36 +0000
, Ian Campbell <Ian.Campbell@citrix.com>
 wrote:
> On Tue, 2014-11-18 at 22:11 +0000, Grant Likely wrote:
> > > > * It also helps with exposing the reserved map to userspace, but kexec
> > > >   has done without that feature for years, and it is in the process of
> > > >   being deprecated in favour of /reserved-memory anyway.
> > > 
> > > This is the first I'd heard of the reserve map being deprecated, and
> > > we're going to have DTs with reserved map entries for a long time going
> > > forwards.
> > 
> > Deprecated, not removed or disabled. It will still work pretty much
> > forever, but users should be encouraged to move to the reserve-memory
> > tree.
> 
> I'm curious why that should be for the "OS should never touch this, here
> be dragons" type memory, what are the benefits of the new scheme in that
> case?

Merely for the reason of it makes the data available in exactly the same
manner as all the rest of the data in the tree.

g.