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Last meeting of 2023 update
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djbw authored Feb 6, 2024
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* Do follow-up on [email protected] for longer questions / debug
* https://pmem.io/ndctl/collab/

# November/December 2023
* Opens
* Plumbers Takeaways
* QEMU
* cxl-cli
* v6.7 Fixes
* v6.8 Queue

## Opens
* Interleave ratios: MVP
* mempolicy based to start
* cgroups deferred for a later fight

## Plumbers Takeaways
* Greg's interleave document
* 5 types: BIOS, OS, mempolicy (homogenous or heterogeneous)
* LWN Article for reach? Follow in the style of Mel's NUMA article
* UKunit: Userspace unit testing of kernel code
* limitation on what can be mocked with Kunit
* https://github.com/jimharris/ukunit
* Davidlohr to post notes
* Port device RAS support
* Move PCIe port bus driver logic into PCIe driver/core to start as library
* AER handler callback to the endpoint driver
* Break the pcie portbus driver dependency
* Hotplug range register problem resolution

## QEMU
* mst picked up more than expected includng CCI support into 8.2-rc1
* ira's cdat fixes posted
* scrub control: both QEMU and kernel patches posted
* Integrate with ACPI scrub control as a subsystem shared with CXL
* Alistair's SPDM work progression

## cxl-cli
* concern for first-time users
* dnf install cxl-cli
* cxl list -RX
* v79 release imminent
* corresponding to v6.7 updates
* (hotplug range register support?)[https://lore.kernel.org/linux-cxl/[email protected]/]
* disable device mem_enable modify range register + re-enable
* how to handle zero based DVSEC range register

## v6.7-fixes
* locking fixups

## v6.8
* Interleave syscall
* John: don't force people to go through BIOS for interleave
* Michal: looking for mempolicy2() support
* Greg: also working on thrid-party mempolicy syscall via pidfd (minus mbind/homenode)
* once syscalls are in interleave weights can be layered on top without ABI changes
* numactl changes would be nice to have

# "Halloween" 2023
* Opens:
* QEMU
* cxl-cli
*

## QEMU
* Multiple HDM decoder support landed
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