On 8/21/18 10:33 AM, m...@linux.vnet.ibm.com wrote: > The migration of LPARs across Power systems affects many attributes > including that of the associativity of CPUs. The patches in this > set execute when a system is coming up fresh upon a migration target. > They are intended to, > > * Recognize changes to the associativity of CPUs recorded in internal > data structures when compared to the latest copies in the device tree. > * Generate calls to other code layers to reset the data structures > related to associativity of the CPUs. > * Re-register the 'changed' entities into the target system. > Re-registration of CPUs mostly entails acting as if they have been > newly hot-added into the target system. > > Signed-off-by: Michael Bringmann <m...@linux.vnet.ibm.com>
Retract this series in preference to [PATCH] powerpc/pseries: Perform full re-add of CPU for topology update post-migration Michael > > Michael Bringmann (5): > hotplug/cpu: Conditionally acquire/release DRC index > hotplug/cpu: Add operation queuing function > hotplug/cpu: Provide CPU readd operation > mobility/numa: Ensure numa update does not overlap > hotplug/pmt: Update topology after PMT > --- > Changes in patch: > -- Restructure and rearrange content of patches to co-locate > similar or related modifications > -- Rename pseries_update_drconf_cpu to pseries_update_processor > -- Simplify code to update CPU nodes during mobility checks. > Remove functions to generate extra HP_ELOG messages in favor > of direct function calls to dlpar_cpu_readd_by_index. > -- Revise code order in dlpar_cpu_readd_by_index() to present > more appropriate error codes from underlying layers of the > implementation. > -- Add hotplug device lock around all property updates > -- Add call to rebuild_sched_domains in case of changes > -- Various code cleanups and compaction > -- Rebase to 4.18 kernel > -- Change operation to run CPU readd after end of migration store. > -- Improve descriptive text > -- Cleanup patch reference to outdated function > -- Code cleanup a 'acquire_drc' check in dlpar_cpu_add. > -- Code cleanup a 'release_drc' check in dlpar_cpu_remove. > -- Add more information to patch descriptions. > -- More code cleanup > -- Rearrange call to rebuild_sched_domains to allow removal > of some locking code. > -- Michael W. Bringmann Linux Technology Center IBM Corporation Tie-Line 363-5196 External: (512) 286-5196 Cell: (512) 466-0650 m...@linux.vnet.ibm.com
