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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 Cc: Andrew Morton , Linux Memory Management List , amd-gfx@lists.freedesktop.org, kvm@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org 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-Rspamd-Queue-Id: 101CE80006 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: uy76jfxa67uo18nok6prgx7yrb6fytzs X-HE-Tag: 1697729892-57722 X-HE-Meta: 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 yze5O7NS wfVy/gi8OnTaRIX1m9tghWM+lVHHnr6EbcZCGVZIhRIErYGbbb31QJZ5436Oyb7rTjP7+LoWNiD0Y1krX4maBZJYadxgMU1X0X/nJopRd/V8rpLoI3n2mwmRwy3EfuypDR9V2K/fJ4XqgF+eEu3M63I6umS1XK1c51Nd+VHnnwJomwUSLDOAPqALJ5Ex/DOypzxfzTV6vAuugGAjcLJ940AiUDy31B98Ei7UXUDDK8msQBY8rNA3lNCfon/8tOXlsbOh6 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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.