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No expected upgrade or compatibility impact, this is a purely additive Change. | |||
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Revision as of 22:09, 30 August 2024
Integrate FEX in Fedora Linux
This document represents a proposed Change. As part of the Changes process, proposals are publicly announced in order to receive community feedback. This proposal will only be implemented if approved by the Fedora Engineering Steering Committee.
Summary
FEX is a fast emulator that allows one to run x86 and x86-64 binaries on an AArch64 Linux host. FEX requires a number of supporting components, including a RootFS image, and integration with krun to support 16k page-size hosts. The purpose of this Change is to integrate FEX itself and its supporting components into Fedora Linux, to provide a delightful out-of-box experience for users that want to run x86 and x86-64 binaries on their aarch64 systems.
Owner
- Name: Davide Cavalca, Neal Gompa, Alyssa Rosenzweig
- Name: Asahi SIG
- Email: dcavalca(at)fedoraproject.org, ngompa(at)fedoraproject.org, alyssa(at)rosenzweig.io
Current status
- Targeted release: Fedora Linux 42
- Last updated: 2024-08-30
- [<will be assigned by the Wrangler> devel thread]
- FESCo issue: <will be assigned by the Wrangler>
- Tracker bug: <will be assigned by the Wrangler>
- Release notes tracker: <will be assigned by the Wrangler>
Detailed Description
<blurb about fex>
The goal of this change is to complete the following:
- Package FEX in Fedora Linux
- Create a Kiwi definition to produce a FEX root filesystem.
- Integrate FEX with krun to support 16k page-size systems
- Write documentation
Feedback
Benefit to Fedora
Users will be able to run x86 and x86-64 binaries out of the box when running Fedora Linux on their Aarch64 systems.
Scope
- Proposal owners: package and integrate things
- Other developers: review
- Release engineering: #Releng issue number
- Policies and guidelines: N/A (not needed for this Change)
- Trademark approval: N/A (not needed for this Change)
- Alignment with Community Initiatives:
Upgrade/compatibility impact
No expected upgrade or compatibility impact, this is a purely additive Change.
How To Test
- dnf install fex-emu
- ...
- profit!
User Experience
Dependencies
Contingency Plan
- Contingency mechanism: (What to do? Who will do it?) Don't ship this
- Contingency deadline: N/A (not a System Wide Change)
- Blocks release? No
Documentation
The Change owners will write documentation on how to use FEX, both for general Fedora systems and in the context of Fedora Asahi Remix.