[PATCH 0/9] Fixes and Enablement of ibm,drc-info property

Tyrel Datwyler tyreld at linux.ibm.com
Thu Nov 7 07:12:55 AEDT 2019


On 11/5/19 9:03 AM, Thomas Falcon wrote:
> 
> On 11/5/19 9:24 AM, Tyrel Datwyler wrote:
> 
> Hi, just pointing out a few typos...

Damn, I thought I squashed them all the second time around.

>> 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 paritions Dynamic Reconfig
> s/paritions/partition's
>> 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 of by
> 
> s/turned of/turned off
> 
>> 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 suppport partitions with 24TB+ of possible memory this
> s/suppport/support
>> property is required to perform platform migration.
>>
>> This serious fixs the short comings of the previous submission
> 
> Either "seriously fixes the shortcomings", or "fixes the serious shortcomings?"
Should be "series" as in this "patch series".

-Tyrel

> 
> Thanks,
> 
> Tom
> 
>> in the areas of general implementation, cpu hotplug, and IOA hotplug.
>>
>> 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    | 101 ++++++++++++++++---
>>   arch/powerpc/platforms/pseries/of_helpers.c     |   8 +-
>>   arch/powerpc/platforms/pseries/pseries_energy.c |  23 ++---
>>   drivers/pci/hotplug/rpaphp_core.c               | 124 +++++++++++++++++-------
>>   5 files changed, 187 insertions(+), 71 deletions(-)
>>



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