[PATCH v5.5] of/fdt: export fdt blob as /sys/firmware/fdt
grant.likely at linaro.org
Wed Nov 19 07:07:28 PST 2014
On Wed, 19 Nov 2014 13:09:36 +0000
, Ian Campbell <Ian.Campbell at citrix.com>
> 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
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.
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