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?
next prev parent reply other threads:[~2026-10-02 9:48 UTC|newest]
Thread overview: 41+ 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
2026-10-02 9:14 ` sashiko-bot
2026-10-01 22:52 ` [PATCH bpf-next v4 02/12] bpf: split the kfunc, dtor kfunc and struct_ops registration bodies Jay Wang
2026-10-02 9:14 ` sashiko-bot
2026-10-01 22:52 ` [PATCH bpf-next v4 03/12] bpf: fetch the vmlinux BTF where kernel types enter a program Jay Wang
2026-10-02 9:14 ` sashiko-bot
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 9:14 ` sashiko-bot
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
2026-10-02 9:14 ` sashiko-bot
2026-10-01 22:52 ` [PATCH bpf-next v4 06/12] bpf: defer vmlinux kfunc and struct_ops registrations Jay Wang
2026-10-02 9:14 ` sashiko-bot
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
2026-10-02 9:14 ` sashiko-bot
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
2026-10-02 9:14 ` sashiko-bot
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
2026-10-02 9:14 ` sashiko-bot
2026-10-05 11:32 ` Nicolas Schier
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
2026-10-02 9:14 ` sashiko-bot
2026-10-01 22:52 ` [PATCH bpf-next v4 11/12] tools, samples: take the vmlinux BTF from vmlinux.unstripped first Jay Wang
2026-10-02 9:14 ` sashiko-bot
2026-10-05 11:17 ` Nicolas Schier
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 9:14 ` sashiko-bot
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
2026-10-03 6:38 ` Alexei Starovoitov
2026-10-03 11:45 ` Alan Maguire
2026-10-03 12:19 ` Alexei Starovoitov
2026-10-04 22:21 ` Jay Wang
2026-10-05 19:01 ` Ihor Solodrai
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