powerpc/eeh: Introduce global mutex

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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>

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Gavin Shan 2012-09-07 22:44:06 +00:00 • committed by Benjamin Herrenschmidt

parent 968f968f9b

commit 646a849940

2 changed files with 18 additions and 0 deletions

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15

arch/powerpc/include/asm/eeh.h

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3

arch/powerpc/platforms/pseries/eeh.c

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