On Wed, Apr 11, 2018 at 02:41:58PM -0400, Serhii Popovych wrote: > Now PowerPC Linux kernel supports hot-add to NUMA nodes not populated > initially with memory we can enable such support in qemu. This requires > two changes: > > o Add device tree property "ibm,max-associativity-domains" to let > guest kernel chance to find max possible NUMA node > > o Revert commit b556854bd852 ("spapr: Don't allow memory hotplug to > memory less nodes") to remove check for hot-add to memory-less node. > > See description messges for individual changes for more details. > > v3: > - Make layer for max_cpus unspecified instead of setting it to zero. > Not adding cpu_to_be32(spapr_vcpu_id(spapr, max_cpus - 1)) because > at the moment we only want max number for numa nodes to enable feat. > - Rebase to current state of master branch. > > v2: > - Reorder patches in series according to description above. > - Add extra coment to revert noticing return to previous behaviour for > guests without support for hot-add to empty node. > - Drop max_cpus from topology in property due to vcpu id discontiguous > allocations. Thanks to David Gibson for extra explanation. > - Rebase to current state of master branch. > > Serhii Popovych (2): > spapr: Add ibm,max-associativity-domains property > Revert "spapr: Don't allow memory hotplug to memory less nodes"
Applied to ppc-for-2.13, thanks. -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson
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