Compute Express Link is a cache coherent fabric that is gaining momentum in the
industry. Several hardware vendors have begun to ramp up on CXL 2.0 hardware
development and the Linux plumbing needs to keep pace. There is foundational
infrastructure in place in the kernel, QEMU, and user tooling that represents
the beginning of the CXL enabling journey. However, there is more to do and
plenty of opportunities to scale the contributions past the initial set of
developers that got the CXL subsystem off the ground.
The Compute Express Link microconference focuses on how to evolve the Linux
CXL kernel driver and userspace components for full support of the CXL 2.0
spec (and beyond). The microconference provides a space to open the discussion,
incorporate more perspectives, and grow the CXL community with a goal that the
CXL Linux plumbing serves the needs of the CXL ecosystem while balancing the
needs of the Linux kernel project. Specifically, this microconference welcomes
submissions detailing industry and academia use cases in order to develop usage
model scenarios. Finally, it will be a good opportunity to have existing
upstream CXL developers available in a forum to discuss current CXL support and
to communicate areas that need additional involvement.
Suggested topics:
- Ecosystem & Architectural review
- Regions
- QEMU support
- Security: IDE and SPDM
- Managing vendor specificity
- Type 2 accelerator support (bias flip management)
- RAS (GPF, AER, Poison handling )
- 1.1 to 2.0 compatibility
- Hot add policy, daxctl
- Hot remove
- Industry and academia use cases
If you are interested in participating in this microconference and have
topics to propose, please use the LPC CFP process [1], and select "Compute
Express Link MC" for the "Track".
The submission deadline is June 30.
Come and join us in the discussion. We hope to see you there!
For more information, feel free to contact the Compute Express Link MC Leads:
Adam Manzanares <a.manzanares@xxxxxxxxxxx>
Dan Williams <dan.j.williams@xxxxxxxxx>
Ben Widawsky <ben@xxxxxxxxxxxx>
Davidlohr Bueso <dave@xxxxxxxxxxxx>
[1] https://lpc.events/event/16/abstracts/
