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Wed, 11 Jun 2025 07:55:34 +0000 (GMT) Date: Wed, 11 Jun 2025 09:55:33 +0200 From: Heiko Carstens To: Masahiro Yamada Cc: Linus Torvalds , Linux Kernel Mailing List , Linux Kbuild mailing list , Arnd Bergmann Subject: Re: [GIT PULL] Kbuild updates for v6.16-rc1 Message-ID: <20250611075533.8102A57-hca@linux.ibm.com> References: Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: iqjTWxYcFco5o65jSEyFjkTVSdRcA3mh X-Proofpoint-GUID: iqjTWxYcFco5o65jSEyFjkTVSdRcA3mh X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjExMDA2OCBTYWx0ZWRfX8eEF7+xFBqVR N90QTYiFjwpTByJTI0dawiV8yF+xD7JP1yJayZwWpZscV0qiWkEDPvsWk2yfs977SwFKxmKy+Qp lxScm5TPHyORJrfGtDYmNxKrsQ/MOvIhk6hVHNGB/tMGqa2I/NDnvXYvYdAD31+8d8Pj1wo2cld Xn8aktyHspmMs/VcdrIqa1CMVWLkG3RbS9bDL0iee08/8/zeOKpAuTE+jbOsRl3W8+q0gNINs81 hpuqDWqnlFKIgD2J0oMf0zzfCJhT+ddUWEdxAcpXNZ+4guas1bgEInuIwkMO+L8IRFnkIdhMU3C FdE5U2zrhENL+5veiPCMHuqwA31jLKOn9h03+GvPJD5v2orRJHizxKHh+gxSfb5yrWG6rqgGDrb pGi9OqekCvF/QuwTi/XWusSUCV6EdmIZu2XGq/bJu8G8DMQmCmeh5Vkif/0Fi8MTbdx5YN0y X-Authority-Analysis: v=2.4 cv=CfMI5Krl c=1 sm=1 tr=0 ts=6849367a cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=kj9zAlcOel0A:10 a=6IFa9wvqVegA:10 a=qGWf7Qon23mMiXRqvLsA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-11_03,2025-06-10_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 spamscore=0 phishscore=0 priorityscore=1501 clxscore=1015 impostorscore=0 mlxscore=0 suspectscore=0 mlxlogscore=878 adultscore=0 malwarescore=0 lowpriorityscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506110068 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.