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Srivatsa S. Bhat 402d9a1e02 powerpc: Free up the slot of PPC_MSG_CALL_FUNC_SINGLE IPI message

The IPI handlers for both PPC_MSG_CALL_FUNC and PPC_MSG_CALL_FUNC_SINGLE map
to a common implementation - generic_smp_call_function_single_interrupt(). So,
we can consolidate them and save one of the IPI message slots, (which are
precious on powerpc, since only 4 of those slots are available).

So, implement the functionality of PPC_MSG_CALL_FUNC_SINGLE using
PPC_MSG_CALL_FUNC itself and release its IPI message slot, so that it can be
used for something else in the future, if desired.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Preeti U. Murthy <preeti@linux.vnet.ibm.com>
Acked-by: Geoff Levand <geoff@infradead.org> [For the PS3 part]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2014-03-05 15:53:24 +11:00

device-init.c

powerpc/irq: Remove IRQF_DISABLED

2011-11-08 14:51:46 +11:00

exports.c

powerpc: remove non-required uses of include <linux/module.h>

2011-10-31 19:30:44 -04:00

gelic_udbg.c

powerpc/ps3: Add gelic udbg driver

2011-09-20 09:20:05 +10:00

htab.c

powerpc/mm: handle hugepage size correctly when invalidating hpte entries