On 8/29/25 3:29 PM, Dave Jiang wrote: > I plan to take this series through the CXL tree when all the necessary tags > are received. > > Rafael, please ack patches 3/4 and 4/4 if you are happy with the changes. > > Thank you! Rafael said Dan's review tag is sufficient. Applied to cxl/next 02f6c6a3654911e286ae04e5dfd5deb0f39559b1 > > v3: > - Fix grammar in comment. (DavidH) > - Use nodemask instead of xarray. (Jonathan) > > v2: > - Use clearer comment from DavidH for 1/4. (DavidH) > - Fix comment in 2/4. (DavidH) > - Streamline code in 2/4. (DavidH) > - Add description to observed issue. (Dan) > - Add correct Fixes tag. (Dan) > - Add cc to stable for fix patch. (Dan) > - Add mechansim to only update on first region for the node. (Jonathan) > > The series aim to clean up the current CXL memory region hotplug notifier by > removing the update path through HMAT and updating the node access coordinates > directly. With the existing implementation, the CXL memory hotplug notifier > gets called first. It updates the HMAT target access coordinates. And then > the HMAT notifier gets called and create the node sysfs attribs. The new > implemenation flips the callback ordering and directly updates the sysfs > attribs already created in the node and leaves HMAT data structures alone. > > Dave Jiang (4): > mm/memory_hotplug: Update comment for hotplug memory callback > priorities > drivers/base/node: Add a helper function node_update_perf_attrs() > cxl, acpi/hmat: Update CXL access coordinates directly instead of > through HMAT > acpi/hmat: Remove now unused hmat_update_target_coordinates() > > drivers/acpi/numa/hmat.c | 34 ---------------------------------- > drivers/base/node.c | 38 ++++++++++++++++++++++++++++++++++++++ > drivers/cxl/core/cdat.c | 11 ----------- > drivers/cxl/core/core.h | 3 --- > drivers/cxl/core/region.c | 20 ++++++++++++-------- > include/linux/acpi.h | 12 ------------ > include/linux/memory.h | 6 +++--- > include/linux/node.h | 8 ++++++++ > 8 files changed, 61 insertions(+), 71 deletions(-) > > > base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585