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AJvYcCUKNk0+poNy1DPHyW3X089RcIKFU2H61XCn84k2z4ndfckriGe3OaPsrNjRJ7QB69J4d3bsQstBfwzWXq4=@vger.kernel.org X-Gm-Message-State: AOJu0YyLXoH6NuWZ9LJlCN5B3DUbhGt7aW/YFq8UXsYf6E6V8wHvUFKA X60DNRZARG4ERRDD/1nLg5U4ZqNBpDj04r+uYGXosFAvnBR9Tubg7bUk8SVEWn99+vPnC74kipO 3t8A1SA== X-Google-Smtp-Source: AGHT+IGJGSZ0FZaEs1WgpfcXAg046+B/RRdBjPKeuzwanqEb7D0UocarpzZb1ktPvq8lAj6zdIrLL6sExms= X-Received: from pfbna34.prod.google.com ([2002:a05:6a00:3e22:b0:741:8e1a:2d09]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:6da3:b0:216:20de:52d9 with SMTP id adf61e73a8af0-21f86645fd0mr4834462637.14.1749646797017; Wed, 11 Jun 2025 05:59:57 -0700 (PDT) Date: Wed, 11 Jun 2025 05:59:54 -0700 In-Reply-To: <20250611075533.8102A57-hca@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250611075533.8102A57-hca@linux.ibm.com> Message-ID: Subject: Re: [GIT PULL] Kbuild updates for v6.16-rc1 From: Sean Christopherson To: Heiko Carstens Cc: Masahiro Yamada , Linus Torvalds , Linux Kernel Mailing List , Linux Kbuild mailing list , Arnd Bergmann Content-Type: text/plain; charset="us-ascii" On Wed, Jun 11, 2025, Heiko Carstens wrote: > On Sun, Jun 08, 2025 at 01:41:18AM +0900, Masahiro Yamada wrote: > > Kbuild updates for v6.16 > > > > - Add support for the EXPORT_SYMBOL_GPL_FOR_MODULES() macro, which exports a > > symbol only to specified modules > > > > - Improve ABI handling in gendwarfksyms > > > > - Forcibly link lib-y objects to vmlinux even if CONFIG_MODULES=n > > > > - Add checkers for redundant or missing inclusion > > As you write in commit a934a57a42f6 ("scripts/misc-check: check missing > #include when W=1") this adds now 4000+ extra warnings > for W=1 builds, which makes such builds more or less useless for me. > > Also the commit only describes what you want to achieve, but not why. > I can only guess that you want to reduce header dependencies(?). > > 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=1 builds doesn't look like > the right approach to me. +1. This seems like a recipe for an endless game of whack-a-mole.