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Wed, 11 Jun 2025 10:24:33 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: T11a455a1e4054318 Date: Wed, 11 Jun 2025 16:24:13 +0200 From: "Arnd Bergmann" To: "Masahiro Yamada" , "Heiko Carstens" Cc: "Linus Torvalds" , "Linux Kernel Mailing List" , "Linux Kbuild mailing list" Message-Id: <8992766a-cc96-40bb-b8c2-60931ad0f065@app.fastmail.com> In-Reply-To: References: <20250611075533.8102A57-hca@linux.ibm.com> Subject: Re: [GIT PULL] Kbuild updates for v6.16-rc1 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Wed, Jun 11, 2025, at 15:32, Masahiro Yamada wrote: > On Wed, Jun 11, 2025 at 4:55=E2=80=AFPM Heiko Carstens wrote: >> >> Don't get me wrong, I can address all of this trivial churn for s390,= however >> enforcing so many extra warnings to everyone with W=3D1 builds doesn'= t look like >> the right approach to me. > > This is what W=3D1 is for. > 0day bot detects a new W=3D1 warning, so we can avoid new warnings com= ing in. > > People do not know which headers should be included when. > So, this warning must exist at least until we can get rid of > #include from include/linux/module.h, > include/linux/linkage.h etc. I think this makes sense in general, but the output here is excessive if it leads to users no longer wanting to enable W=3D1. There are other warnings that I think should be enabled at the W=3D1 level (e.g. -Wformat-security) and eventually by default, but that are still too noisy at that level. My own cutoff would be at a few hundred warnings in allmodconfig builds if there is an effort to reduce it further, but it seems that this one is still at a few thousand, which does not seem ok. Arnd