netdev - Re: [RFC PATCH bpf-next 3/5] kbuild: Add CONFIG_DEBUG_INFO_BTF

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Message-ID: <20201106031336.b2cufwpncvft2hs7@ast-mbp>
Date:   Thu, 5 Nov 2020 19:13:36 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Andrii Nakryiko <andrii@...nel.org>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org, ast@...com,
        daniel@...earbox.net, kernel-team@...com,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Subject: Re: [RFC PATCH bpf-next 3/5] kbuild: Add
 CONFIG_DEBUG_INFO_BTF_MODULES option or module BTFs

On Wed, Nov 04, 2020 at 08:51:38PM -0800, Andrii Nakryiko wrote:
>  
> +config DEBUG_INFO_BTF_MODULES
> +	bool "Generate BTF for kernel modules"
> +	def_bool y
> +	depends on DEBUG_INFO_BTF && MODULES && PAHOLE_HAS_SPLIT_BTF

Does it need to be a new config ?
Can the build ran pahole if DEBUG_INFO_BTF && MODULES && PAHOLE_HAS_SPLIT_BTF ?