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Author SHA1 Message Date
Kumar Gala 620165f971 powerpc: Add support for using doorbells for SMP IPI 
The e500mc supports the new msgsnd/doorbell mechanisms that were added in
the Power ISA 2.05 architecture.  We use the normal level doorbell for
doing SMP IPIs at this point.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
 2009-02-23 15:53:03 +11:00