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From: Alan Maguire <alan.maguire@oracle.com>
To: wanjay@amazon.com
Cc: abuehaze@amazon.com, acme@kernel.org, alan.maguire@oracle.com,
	andrii@kernel.org, arighi@nvidia.com, arnd@arndb.de,
	ast@kernel.org, bentiss@kernel.org, bpf@vger.kernel.org,
	changwoo@igalia.com, christian@heusel.eu, daniel@iogearbox.net,
	doebel@amazon.de, eddyz87@gmail.com, ihor.solodrai@linux.dev,
	irogers@google.com, jay.wang.upstream@gmail.com,
	jikos@kernel.org, jolsa@kernel.org, linux-doc@vger.kernel.org,
	linux-input@vger.kernel.org, linux-kbuild@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-modules@vger.kernel.org, linux-perf-users@vger.kernel.org,
	linux-trace-kernel@vger.kernel.org, linux@weissschuh.net,
	martin.lau@linux.dev, mathieu.desnoyers@efficios.com,
	mcgrof@kernel.org, memxor@gmail.com, mhiramat@kernel.org,
	mpohlack@amazon.de, namhyung@kernel.org, nathan@kernel.org,
	nsc@kernel.org, ojeda@kernel.org, petr.pavlu@suse.com,
	qmo@kernel.org, rostedt@goodmis.org,
	rust-for-linux@vger.kernel.org, samitolvanen@google.com,
	sched-ext@lists.linux.dev, shuah@kernel.org, tj@kernel.org,
	void@manifault.com, yonghong.song@linux.dev
Subject: Re: [PATCH bpf-next v4 12/12] kbuild, bpf: allow building the vmlinux BTF as a module
Date: Fri, 2 Oct 2026 10:47:00 +0100	[thread overview]
Message-ID: <99c9d949-6e69-4b7a-99d2-1b4abe68dec2@oracle.com> (raw)
In-Reply-To: <20261001225214.12351-13-wanjay@amazon.com>


[snip]

> diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
> index 46e80970f723..c884308d1e85 100644
> --- a/scripts/package/kernel.spec
> +++ b/scripts/package/kernel.spec
> @@ -76,6 +76,10 @@ This package provides debug information for the kernel image and modules from th
>  %if %{with_keep_section}
>  %global _find_debuginfo_opts -r --keep-section .BTF --keep-section .BTF.base
>  %else
> +%if %{with_btf_vmlinux_module}
> +# With CONFIG_DEBUG_INFO_BTF=m, btf_vmlinux.ko carries the vmlinux BTF in .BTF
> +%{error:find-debuginfo cannot keep .BTF, which btf_vmlinux.ko needs; build without debuginfo (--without debuginfo)}
> +%endif
>  %global _find_debuginfo_opts -r
>  %endif

I think we need a --keep-section for .BTF.link above too?

  reply	other threads:[~2026-10-02  9:48 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-01 22:52 [PATCH bpf-next v4 00/12] bpf: make the vmlinux BTF an on-demand loadable module (CONFIG_DEBUG_INFO_BTF=m) to save ~5.4 MB memory Jay Wang
2026-10-01 22:52 ` [PATCH bpf-next v4 01/12] bpf: pass the vmlinux BTF to btf_parse_module() and let it adopt the data Jay Wang
2026-10-01 22:52 ` [PATCH bpf-next v4 02/12] bpf: split the kfunc, dtor kfunc and struct_ops registration bodies Jay Wang
2026-10-01 22:52 ` [PATCH bpf-next v4 03/12] bpf: fetch the vmlinux BTF where kernel types enter a program Jay Wang
2026-10-01 22:52 ` [PATCH bpf-next v4 04/12] bpf: take the vmlinux BTF from the btf_vmlinux module Jay Wang
2026-10-01 23:45   ` bot+bpf-ci
2026-10-02 11:48   ` Alexei Starovoitov
2026-10-01 22:52 ` [PATCH bpf-next v4 05/12] bpf, tracing: load the vmlinux BTF where tracefs and bpffs requests start Jay Wang
2026-10-01 22:52 ` [PATCH bpf-next v4 06/12] bpf: defer vmlinux kfunc and struct_ops registrations Jay Wang
2026-10-01 22:52 ` [PATCH bpf-next v4 07/12] bpf: keep module BTF until the vmlinux BTF is available Jay Wang
2026-10-01 23:45   ` bot+bpf-ci
2026-10-01 22:52 ` [PATCH bpf-next v4 08/12] bpf: expose deferred .BTF.base module BTF in sysfs from module load Jay Wang
2026-10-01 22:52 ` [PATCH bpf-next v4 09/12] bpf, trace, net: prepare CONFIG_DEBUG_INFO_BTF checks for a tristate Jay Wang
2026-10-01 22:52 ` [PATCH bpf-next v4 10/12] resolve_btfids: add --btf_link to fill in .BTF.link records Jay Wang
2026-10-01 23:29   ` bot+bpf-ci
2026-10-01 22:52 ` [PATCH bpf-next v4 11/12] tools, samples: take the vmlinux BTF from vmlinux.unstripped first Jay Wang
2026-10-01 22:52 ` [PATCH bpf-next v4 12/12] kbuild, bpf: allow building the vmlinux BTF as a module Jay Wang
2026-10-02  9:47   ` Alan Maguire [this message]
2026-10-02  4:36 ` [PATCH bpf-next v4 00/12] bpf: make the vmlinux BTF an on-demand loadable module (CONFIG_DEBUG_INFO_BTF=m) to save ~5.4 MB memory Ihor Solodrai
2026-10-02  7:34   ` Jay Wang
2026-10-02 10:05     ` Alan Maguire
2026-10-02 20:58     ` Ihor Solodrai

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