sh: Prevent fixed slot PMB remapping from clobbering boot entries.

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The PMB initialization code walks the entries and synchronizes the
software PMB state with the hardware mappings, preserving the slot index.
Unfortunately pmb_alloc() only tested the bit position in the entry map
and failed to set it, resulting in subsequent remaps being able to be
dynamically assigned a slot that trampled an existing boot mapping with
general badness ensuing.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

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Paul Mundt 2010-02-16 17:14:04 +09:00

parent 319c2cc761

commit 55cef91a5d

1 changed files with 1 additions and 1 deletions

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arch/sh/mm/pmb.c

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