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the point of registering BTF directly from the driver is to allow "Flex metadata" meaning that meta data format can be constructed on the fly according to user demand. I am sure we can find mutliple ways to reduce the 100+ LOC, but the goal is to have the dynamic btf_register/unregister API |
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Since 5.11, it's now possible to obtain a BTF not only for vmlinux, but also for modules.
This will eliminate a need for manually composing and registering a BTF inside the driver code, which is 100+ locs for ice for example.
That's obviously not the most straightforward and trivial way, but could help a lot.
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