tree 7f7959c3aab789afe77d16616ba1246edf0b305a
parent 0065b96775f1eff167a2c3343a41582e8fab4c6c
author Paul Mundt <lethal@linux-sh.org> 1266409022 +0900
committer Paul Mundt <lethal@linux-sh.org> 1266409022 +0900

sh: PMB locking overhaul.

This implements some locking for the PMB code. A high level rwlock is
added for dealing with rw accesses on the entry map while a per-entry
data structure spinlock is added to deal with the PMB entry changing out
from underneath us.

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