Single bugfix for boot failure seen in the wild. The memory reserve code
tries to be clever about reserving the FDT, but it should just go ahead
and reserve it unconditionally to avoid the problem of partial overlap
described in the patch.
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Merge tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux
Pull devicetree bugfix from Grant Likely:
"One more bug fix for v3.18. I debated whether or not to send you this
merge request because we're at such a late rc. The bug isn't critical
in that there is only one system known to be affected and the patch is
easy to backport. The codepath is used by pretty much every DT based
system, so there is risk a of regression (it /should/ be safe, but
I've been bitten by stuff that should be safe before). I've had it in
linux-next for a week and haven't received any complaints.
I think it probably should just be merged right away rather than
waiting for the merge window and backporting. It does fix a real bug
and the code is theoretically safer after the change. I can't think
of any situation where it would be dangerous to reserve the DT memory
an extra time.
Summary from tag:
Single bugfix for boot failure seen in the wild. The memory reserve
code tries to be clever about reserving the FDT, but it should just
go ahead and reserve it unconditionally to avoid the problem of
partial overlap described in the patch"
* tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux:
of/fdt: memblock_reserve /memreserve/ regions in the case of partial overlap
b48a20a586