tree 3b01074605b136f9e3153a533df58af5787c4017
parent 968f968f9b9aaa6ff92c20090c600fc7c112af55
author Gavin Shan <shangw@linux.vnet.ibm.com> 1347057846 +0000
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1347233730 +1000

powerpc/eeh: Introduce global mutex

The patch introduces global mutex for EEH so that the core data
structures can be protected by that. Also, 2 inline functions
are exported for that: eeh_lock() and eeh_unlock().

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>