External Resources

An unsorted list of relevant resources.

basics

Compute Express Link Memory Devices (kernel.org)

cxl(1) administrative command line tool

qemu CXL support description and scope

linux-cxl mailing list

CXL Consortium Resource Library

OSS conference videos

Compute eXpress Link (CXL) - Using QEMU based emulation to enable ecosystem growth (Linaro Connect 2023)

CXL Microconf at Linux Plumbers Conference 2022

Compute Express Link in QEMU (Ben Widawsky - Fosdem 2021)

Compute Express Link + Linux + QEMU = Yes (Ben Widawsky - LPC 2021)

LWN articles

Memory-management changes for CXL (May 2023)

CXL 1: Management and tiering (May 2022)

CXL 2: Pooling, sharing, and I/O-memory resources (May 2022)

miscelaneous/blogs

Compute Express Link (CXL): All you need to know (Rambus; December 2022)

Compute Express Link Overview (Ben Widawsky; June 2022)

Transparent memory offloading: more memory at a fraction of the cost and power (Meta; June 2022)

Howto test CXL enablement on Arm64 using QEMU (Jonathan Cameron; May 2021)

Setting up QEMU emulation of CXL (Matthew Ho; July 2022)

Meta Tackling Transparent Page Placement For Tiered-Memory Linux Systems (Phoronix; Nov. 2021)