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[82.69.66.36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4356997e6dasm45262285f8f.32.2026.01.22.02.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jan 2026 02:33:39 -0800 (PST) Date: Thu, 22 Jan 2026 10:33:37 +0000 From: David Laight To: kernel test robot Cc: Nathan Chancellor , Greg Kroah-Hartman , Thomas Gleixner , Peter Zijlstra , Ingo Molnar , Mathieu Desnoyers , Arnd Bergmann , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Yury Norov , Jani Nikula , Vincent Mailhol , Andy Shevchenko , Kees Cook , Andrew Morton , oe-kbuild-all@lists.linux.dev, Linux Memory Management List Subject: Re: [PATCH next 11/14] bit: Strengthen compile-time tests in GENMASK() and BIT() Message-ID: <20260122103337.26473d1c@pumpkin> In-Reply-To: <202601221237.soiAkwkN-lkp@intel.com> References: <20260121145731.3623-12-david.laight.linux@gmail.com> <202601221237.soiAkwkN-lkp@intel.com> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 22 Jan 2026 12:41:22 +0800 kernel test robot wrote: > Hi, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on next-20260120] > > url: https://github.com/intel-lab-lkp/linux/commits/david-laight-linux-gmail-com/overflow-Reduce-expansion-of-__type_max/20260122-013456 > base: next-20260120 > patch link: https://lore.kernel.org/r/20260121145731.3623-12-david.laight.linux%40gmail.com > patch subject: [PATCH next 11/14] bit: Strengthen compile-time tests in GENMASK() and BIT() > config: mips-randconfig-r132-20260122 (https://download.01.org/0day-ci/archive/20260122/202601221237.soiAkwkN-lkp@intel.com/config) > compiler: mips64-linux-gcc (GCC) 10.5.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601221237.soiAkwkN-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202601221237.soiAkwkN-lkp@intel.com/ > > sparse warnings: (new ones prefixed by >>) > kernel/kthread.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...): > >> include/linux/find.h:209:45: sparse: sparse: Variable length array is used. Can we stop sparse complaining about sizeof(VLA) ? David