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Thu, 19 Oct 2023 15:32:07 +0000 (GMT) Date: Thu, 19 Oct 2023 17:32:05 +0200 From: Heiko Carstens To: kernel test robot Subject: Re: [linux-next:master] BUILD REGRESSION 2dac75696c6da3c848daa118a729827541c89d33 Message-ID: <20231019153205.9160-A-hca@linux.ibm.com> References: <202310190456.pryB092r-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202310190456.pryB092r-lkp@intel.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: pLCVHeZl1pGGUcpHU0HZgqokDhWlFOun X-Proofpoint-GUID: pLCVHeZl1pGGUcpHU0HZgqokDhWlFOun X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-19_14,2023-10-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 phishscore=0 spamscore=0 impostorscore=0 mlxlogscore=702 lowpriorityscore=0 malwarescore=0 priorityscore=1501 clxscore=1011 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310190130 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-msm@vger.kernel.org, amd-gfx@lists.freedesktop.org, Linux Memory Management List , linux-fsdevel@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org, linux-trace-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, Oct 19, 2023 at 04:07:35AM +0800, kernel test robot wrote: > arch/s390/include/asm/ctlreg.h:129:9: warning: array subscript 0 is outside array bounds of 'struct ctlreg[0]' [-Warray-bounds=] > arch/s390/include/asm/ctlreg.h:80:9: warning: array subscript 0 is outside array bounds of 'struct ctlreg[0]' [-Warray-bounds=] ... > |-- s390-defconfig > | `-- arch-s390-include-asm-ctlreg.h:warning:array-subscript-is-outside-array-bounds-of-struct-ctlreg ... > s390 defconfig gcc I'm wondering how this warning can appear in the builds. array-bounds warnings are explicitly disabled, see init/Kconfig: CC_NO_ARRAY_BOUNDS. And as expected, if I compile the kernel with gcc, defconfig, and with or without W=1 the option -Wno-array-bounds is passed to the compiler. And also as expected I do not see the above warnings. So something is quite odd here.