Bjorn Helgaas <helgaas@xxxxxxxxxx> writes: > On Sun, Nov 10, 2019 at 11:21:27PM -0600, Tyrel Datwyler wrote: >> There was a previous effort to add support for the PAPR >> architected ibm,drc-info property. This property provides a more >> memory compact representation of a parition's Dynamic Reconfig >> Connectors (DRC). These can otherwise be thought of as currently >> partitioned, or available but yet to be partitioned system resources >> such as cpus, memory, and physical/logical IOA devices. >> >> The initial implementation proved buggy and was fully turned off by >> disabling the bit in the appropriate CAS support vector. We now have >> PowerVM firmware in the field that supports this new property, and >> further to support partitions with 24TB+ of possible memory this >> property is required to perform platform migration. >> >> This series fixs the short comings of the previous submission >> in the areas of general implementation, cpu hotplug, and IOA hotplug. >> >> v2 changelog: >> Cover Letter: fixed up spelling errors (mpe, tfalcon) >> Patch 3: added comment regarding indexing of drc values (tfalcon) >> split drc-index and drc-info logic into multiple >> functions for collecting cpu drc's for dlpar (mpe) >> Patch 7: fix up a couple more sparse warnings (mpe) >> >> Tyrel Datwyler (9): >> powerpc/pseries: Fix bad drc_index_start value parsing of drc-info >> entry >> powerpc/pseries: Fix drc-info mappings of logical cpus to drc-index >> powerpc/pseries: Add cpu DLPAR support for drc-info property >> PCI: rpaphp: Fix up pointer to first drc-info entry >> PCI: rpaphp: Don't rely on firmware feature to imply drc-info support >> PCI: rpaphp: Add drc-info support for hotplug slot registration >> PCI: rpaphp: Annotate and correctly byte swap DRC properties >> PCI: rpaphp: Correctly match ibm,my-drc-index to drc-name when using >> drc-info >> powerpc/pseries: Enable support for ibm,drc-info property >> >> arch/powerpc/kernel/prom_init.c | 2 +- >> arch/powerpc/platforms/pseries/hotplug-cpu.c | 127 +++++++++++++++++++++--- >> arch/powerpc/platforms/pseries/of_helpers.c | 8 +- >> arch/powerpc/platforms/pseries/pseries_energy.c | 23 ++--- >> drivers/pci/hotplug/rpaphp_core.c | 127 +++++++++++++++++------- > > For the drivers/pci/* parts: > > Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> I added it to the PCI touching patches. > I assume they will be merged along with the rest of the series via > powerpc. Yep. Thanks for the review. cheers
