From: Nathan Chancellor <nathan@kernel.org>
To: "Thomas Weißschuh" <thomas.weissschuh@linutronix.de>
Cc: Nicolas Schier <nsc@kernel.org>,
linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org
Subject: Re: [PATCH] kbuild: install-extmod-build: Package resolve_btfids if necessary
Date: Thu, 26 Feb 2026 13:37:58 -0700 [thread overview]
Message-ID: <20260226203758.GC3196155@ax162> (raw)
In-Reply-To: <20260226-kbuild-resolve_btfids-v1-1-2bf38b93dfe7@linutronix.de>
On Thu, Feb 26, 2026 at 08:41:48AM +0100, Thomas Weißschuh wrote:
> When CONFIG_DEBUG_INFO_BTF_MODULES is enabled and vmlinux is available,
> Makefilefile.modfinal and gen-btf.sh will try to use resolve_btfids
> on the module .ko. install-extmod-build currently does not package
> resolve_btfids, so that step fails.
Heh, ironic that I was just looking in that area yesterday and I had
thought that this would be necessary if vmlinux is available but then
never followed up... Thanks for this.
> Also package resolve_btfids if it may get used.
>
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Nicolas, can I take this as a fix?
> ---
> scripts/package/install-extmod-build | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/scripts/package/install-extmod-build b/scripts/package/install-extmod-build
> index 2576cf7902db..f12e1ffe409e 100755
> --- a/scripts/package/install-extmod-build
> +++ b/scripts/package/install-extmod-build
> @@ -32,6 +32,10 @@ mkdir -p "${destdir}"
> echo tools/objtool/objtool
> fi
>
> + if is_enabled CONFIG_DEBUG_INFO_BTF_MODULES; then
> + echo tools/bpf/resolve_btfids/resolve_btfids
> + fi
> +
> echo Module.symvers
> echo "arch/${SRCARCH}/include/generated"
> echo include/config/auto.conf
>
> ---
> base-commit: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f
> change-id: 20260226-kbuild-resolve_btfids-ca233983ebbb
>
> Best regards,
> --
> Thomas Weißschuh <thomas.weissschuh@linutronix.de>
>
next prev parent reply other threads:[~2026-02-26 20:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-26 7:41 [PATCH] kbuild: install-extmod-build: Package resolve_btfids if necessary Thomas Weißschuh
2026-02-26 20:37 ` Nathan Chancellor [this message]
2026-02-26 20:47 ` Nicolas Schier
2026-03-05 0:36 ` Nathan Chancellor
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