[PATCH v3 0/3] cxl/region: Support to calculate memory tier abstract distance

[Huang Ying]

This series add support to calculate memory tier abstract distance for
the node backed by a cxl region.

[2/3] implements the feature.  [1/3] fixes a race condition of
dependency code.  [3/3] does some code simplification.

Changes:

v3:

- Collected acked-by from Dan, Thanks!

- Added a race fixing patch [1/3].

- Revised patch description of 2/3 (Thanks Alison!)

- Added missing unregister_mt_adistance_algorithm() call.

- Added a code simplification patch [3/3] (Thanks Alison!)

- Link to v2: https://lore.kernel.org/linux-cxl/20240611055423.470574-1-ying.huang@xxxxxxxxx/

v2:

- Added comments to struct cxl_region and minor fixes (Thanks Jonathan!)

- Link to v1: https://lore.kernel.org/linux-cxl/20240531024852.282767-1-ying.huang@xxxxxxxxx/


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Best Regards,
Huang, Ying