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powerpc: prom_init exception when updating core value
authorLaurent Dufour <ldufour@linux.vnet.ibm.com>
Tue, 17 Sep 2013 09:52:48 +0000 (11:52 +0200)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 11 Oct 2013 05:53:16 +0000 (16:53 +1100)
Since the CPU is generating an exception when accessing unaligned word, and
as this exception is not yet handled when running prom_init, data should be
copied from the architecture vector byte per byte.

Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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