Re: [PATCH v5 bpf-next 0/4] capture integers in BTF type info for map defs

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On 05/07/2019 22:15, Daniel Borkmann wrote:
> On 07/05/2019 05:50 PM, Andrii Nakryiko wrote:
>> This patch set implements an update to how BTF-defined maps are specified. The
>> change is in how integer attributes, e.g., type, max_entries, map_flags, are
>> specified: now they are captured as part of map definition struct's BTF type
>> information (using array dimension), eliminating the need for compile-time
>> data initialization and keeping all the metadata in one place.
>>
>> All existing selftests that were using BTF-defined maps are updated, along
>> with some other selftests, that were switched to new syntax.
BTW is this changing the BTF format spec, and if so why isn't it accompanied by
 a patch to Documentation/bpf/btf.rst?  It looks like that doc still talks about
 BPF_ANNOTATE_KV_PAIR, which seems to be long gone.

-Ed



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