powerpc/pseries: Add pseries hotplug workqueue

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In support of PAPR changes to add a new hotplug interrupt, introduce a
hotplug workqueue to avoid processing hotplug events in interrupt context.
We will also take advantage of the queue on PowerVM to ensure hotplug
events initiated from different sources (HMC and PRRN events) are handled
and serialized properly.

Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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John Allen 2016-07-07 10:00:34 -05:00 • committed by Michael Ellerman

parent 8fbaa51d43

commit 9054619ef5

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arch/powerpc/platforms/pseries/dlpar.c

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