CXL-ENABLE-REGION(1)

✨ CXL-ENABLE-REGION ✨

okay bestie, so this is cxl-enable-region(1) from the cxl Manual — yes it's a real manual page, and yes it's about to be your new fave 💅

🎀 NAME 🎀

cxl-enable-region — literally just enables the region(s) you point at. that's it. that's the whole gig 🫶

🦋 SYNOPSIS 🦋

cxl enable-region <region> [<options>]

you give it a <region> and optionally some <options> and it goes to work ✨

🌸 DESCRIPTION 🌸

so like, a CXL region is made up of one or more slices of CXL memdevs, right? and it's got configurable interleave settings — both the number of interleave ways and the interleave granularity. iconic. 👑

💖 EXAMPLE 💖

# cxl enable-region all
enabled 2 regions

ngl this is the part where you go "wait, that's it?" — yeah. two regions enabled. slay. 🔥

here's the lowkey important bit tho: for any enable or disable command, if the operation ends up being a no-op because of the current state of a target (like, it's already enabled or already disabled), it's still considered successful when executed — even if no actual operation is performed 🙈. the target can be a bus, decoder, memdev, or region. the operation will still succeed, and it'll still report the number of bus/decoder/memdev/region operated on, even if the operation is a no-op. so don't panic if nothing actually changed, it's giving success either way 💀✨

✨ OPTIONS ✨

• -b, --bus= — restricts the whole operation to the specified bus 🚌
• -d, --decoder= — the root decoder to limit the operation to. only regions that are children of the specified decoder get acted upon 🎯
• --debug — turns on additional debug messages, including library debug. extremely useful when you're like "why is this not working 😭" 👀

👑 COPYRIGHT 👑

Copyright © 2016 - 2022, Intel Corporation. License GPLv2: GNU GPL version 2 http://gnu.org/licenses/gpl.html. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. 🫶

🌈 SEE ALSO 🌈

cxl-list(1), cxl-disable-region(1)

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and that's the whole page, bestie 🎀 this was cxl from 2026-06-30, version, like, the CXL-ENABLE-REGION(1) one — go forth and enable some regions, iykyk 💜🧚