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Message-ID: <CAEf4Bzawf_EgHyHB+-=2U6eyJtBDVHVQ+Nx1JFw+TTbNSqSmuA@mail.gmail.com>
Date: Fri, 13 Sep 2024 15:26:04 -0700
From: Andrii Nakryiko <andrii.nakryiko@...il.com>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: Martin KaFai Lau <martin.lau@...ux.dev>, bpf@...r.kernel.org,
Andrii Nakryiko <andrii@...nel.org>, linux-kernel@...r.kernel.org,
Nathan Chancellor <nathan@...nel.org>, Alan Maguire <alan.maguire@...cle.com>
Subject: Re: [PATCH v2 1/3] btf: remove redundant CONFIG_BPF test in scripts/link-vmlinux.sh
On Fri, Sep 13, 2024 at 10:38 AM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> CONFIG_DEBUG_INFO_BTF depends on CONFIG_BPF_SYSCALL, which in turn
> selects CONFIG_BPF.
>
> When CONFIG_DEBUG_INFO_BTF=y, CONFIG_BPF=y is always met.
>
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> Reviewed-by: Alan Maguire <alan.maguire@...cle.com>
> Acked-by: Andrii Nakryiko <andrii@...nel.org>
> Reviewed-by: Nathan Chancellor <nathan@...nel.org>
> ---
>
Masahiro,
Are you planning to take this through your tree, or you'd prefer us
routing it through bpf-next?
> (no changes since v1)
>
> scripts/link-vmlinux.sh | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
> index bd196944e350..cfffc41e20ed 100755
> --- a/scripts/link-vmlinux.sh
> +++ b/scripts/link-vmlinux.sh
> @@ -288,7 +288,7 @@ strip_debug=
> vmlinux_link vmlinux
>
> # fill in BTF IDs
> -if is_enabled CONFIG_DEBUG_INFO_BTF && is_enabled CONFIG_BPF; then
> +if is_enabled CONFIG_DEBUG_INFO_BTF; then
> info BTFIDS vmlinux
> ${RESOLVE_BTFIDS} vmlinux
> fi
> --
> 2.43.0
>
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