External Resources
==================
An unsorted list of relevant resources.

basics
------
`Compute Express Link Memory Devices (kernel.org) <https://www.kernel.org/doc/html/latest/driver-api/cxl/memory-devices.html>`_

`cxl(1) administrative command line tool <https://github.com/pmem/ndctl/tree/main/cxl>`_

`qemu CXL support description and scope <https://github.com/qemu/qemu/blob/master/docs/system/devices/cxl.rst>`_

`linux-cxl mailing list <https://lore.kernel.org/linux-cxl/>`_

`CXL Consortium Resource Library <https://www.computeexpresslink.org/resource-library/>`_

OSS conference videos
---------------------
`Compute eXpress Link (CXL) - Using QEMU based emulation to enable ecosystem growth (Linaro Connect 2023) <https://resources.linaro.org/en/resource/hM986DSHfoTrZ98UjpvLg1>`_

`CXL Microconf at Linux Plumbers Conference 2022 <https://www.youtube.com/watch?v=Uff2yvtzONc/>`_

`Compute Express Link in QEMU (Ben Widawsky - Fosdem 2021) <https://archive.fosdem.org/2021/schedule/event/qemu/>`_

`Compute Express Link + Linux + QEMU = Yes (Ben Widawsky - LPC 2021) <https://www.youtube.com/watch?v=g89SLjt5Bd4>`_

LWN articles
------------
`Memory-management changes for CXL (May 2023) <https://lwn.net/Articles/931416/>`_

`CXL 1: Management and tiering (May 2022) <https://lwn.net/Articles/894598/>`_

`CXL 2: Pooling, sharing, and I/O-memory resources (May 2022) <https://lwn.net/Articles/894626/>`_


miscelaneous/blogs
------------------
`Compute Express Link (CXL): All you need to know (Rambus; December 2022) <https://www.rambus.com/blogs/compute-express-link/>`_

`Compute Express Link Overview (Ben Widawsky; June 2022) <https://bwidawsk.net/blog/2022/6/compute-express-link-intro/>`_

`Transparent memory offloading: more memory at a fraction of the cost and power (Meta; June 2022) <https://engineering.fb.com/2022/06/20/data-infrastructure/transparent-memory-offloading-more-memory-at-a-fraction-of-the-cost-and-power/>`_

`Howto test CXL enablement on Arm64 using QEMU (Jonathan Cameron; May 2021) <https://people.kernel.org/jic23/howto-test-cxl-enablement-on-arm64-using-qemu/>`_

`Setting up QEMU emulation of CXL (Matthew Ho; July 2022) <https://sunfishho.github.io/jekyll/update/2022/07/07/setting-up-qemu-cxl.html>`_

`Meta Tackling Transparent Page Placement For Tiered-Memory Linux Systems (Phoronix; Nov. 2021) <https://www.phoronix.com/scan.php?page=news_item&px=Meta-Hot-Pages-High-Tiers>`_