linux-kernel - [PATCH v2 0/2] kbuild: propagate CONFIG_WERROR to resolve

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Message-Id: <20241126-resolve_btfids-v2-0-288c37cb89ee@weissschuh.net>
Date: Tue, 26 Nov 2024 22:17:08 +0100
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Masahiro Yamada <masahiroy@...nel.org>, 
 Nathan Chancellor <nathan@...nel.org>, Nicolas Schier <nicolas@...sle.eu>, 
 Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, 
 Andrii Nakryiko <andrii@...nel.org>, 
 Martin KaFai Lau <martin.lau@...ux.dev>, 
 Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
 Yonghong Song <yonghong.song@...ux.dev>, 
 John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, 
 Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, 
 Jiri Olsa <jolsa@...nel.org>
Cc: linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org, 
 bpf@...r.kernel.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v2 0/2] kbuild: propagate CONFIG_WERROR to resolve_btfids

Use CONFIG_WERROR to also fail on warnings emitted by resolve_btfids.
Allow the CI bots to prevent the introduction of new warnings.

This series currently depends on
"[PATCH] bpf, lsm: Fix getlsmprop hooks BTF IDs" [0]

[0] https://lore.kernel.org/lkml/20241123-bpf_lsm_task_getsecid_obj-v1-1-0d0f94649e05@weissschuh.net/

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
Changes in v2:
- Avoid uninitialized read of fatal_warnings
- Use OPT_BOOLEAN over OPT_INCR
- Drop dependency patch, which went in via the kbuild tree
- Link to v1: https://lore.kernel.org/r/20241123-resolve_btfids-v1-0-927700b641d1@weissschuh.net

---
Thomas Weißschuh (2):
      tools/resolve_btfids: Add --fatal-warnings option
      kbuild: propagate CONFIG_WERROR to resolve_btfids

 scripts/link-vmlinux.sh         |  6 +++++-
 tools/bpf/resolve_btfids/main.c | 12 ++++++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)
---
base-commit: 1518b7a61299cf3737728d4fbf7e29cf2db497c7
change-id: 20241123-resolve_btfids-eb95c9b42d00

Best regards,
-- 
Thomas Weißschuh <linux@...ssschuh.net>