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kernel/firmware: Add support for firmware compression #3359

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foersleo opened this issue Aug 23, 2023 · 0 comments · Fixed by #3418
Closed

kernel/firmware: Add support for firmware compression #3359

foersleo opened this issue Aug 23, 2023 · 0 comments · Fixed by #3418
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status/needs-triage Pending triage or re-evaluation type/enhancement New feature or request

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@foersleo
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What I'd like:

Add support for firmware compression to our kernels by enabling CONFIG_FW_LOADER_COMPRESS and CONFIG_FW_LOADER_COMPRESS_XZ.

With #3296 we are adding select firmware binaries to the metal variants of Bottlerocket. With Bottlerocket we are striving to have small images. Compressing firmware blobs could currently save roughly 4MB of image size when using XZ compression.

Any alternatives you've considered:

Not introduce additional complexity by adding the capability to work with compressed firmware to the kernel and accept the extra image size.
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status/needs-triage Pending triage or re-evaluation type/enhancement New feature or request
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firmware: Enable firmware compression to conserve some disk space foersleo/bottlerocket
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