spapr: Memory hot-unplug support
Add support to hot remove pc-dimm memory devices. Since we're introducing a machine-level unplug_request hook, we also had handling for CPU unplug there as well to ensure CPU unplug continues to work as it did before. Signed-off-by: NBharata B Rao <bharata@linux.vnet.ibm.com> * add hooks to CAS/cmdline enablement of hotplug ACR support * add hook for CPU unplug Signed-off-by: NMichael Roth <mdroth@linux.vnet.ibm.com> Reviewed-by: NDavid Gibson <david@gibson.dropbear.id.au> Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>
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