CXL: Boot To Bash

Overview

CXL on Linux: Boot To Bash

Device Reference

Overview
Devices Types
UEFI Data

Platform Configuration

Overview
EFI Configuration Process
ACPI Tables
Example Platform Configurations

Linux Kernel Configuration:

Overview
Linux Init (Early Boot)
CXL Driver Operation
DAX Driver Operation
- DAX Device
- kmem conversion
Memory Hotplug

Memory Allocation

DAX Devices
The Page Allocator
Reclaim
Memory Tiering
Huge Pages

Use Cases

Memory Expansion
Dynamic Capacity
Virtual Machines
Shared Memory

CXL: Boot To Bash

DAX Driver Operation
Edit on GitHub

DAX Driver Operation

DAX Device

todo

kmem conversion

todo - memory hotplug interaction

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