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X-CSE-ConnectionGUID: +MqsnYCxSz24VGS1wSbTJQ== X-CSE-MsgGUID: T0ZXjhjTTFGFkPhi9gp2gw== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="46535672" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="46535672" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2024 17:26:03 -0700 X-CSE-ConnectionGUID: GQNY5enJTfOn0akRNtmLbg== X-CSE-MsgGUID: hXTttgOsQsuwrNS3GLfDeA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,221,1725346800"; d="scan'208";a="79772055" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by fmviesa008.fm.intel.com with ESMTP; 21 Oct 2024 17:25:59 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t32ij-000Soc-1l; Tue, 22 Oct 2024 00:25:57 +0000 Date: Tue, 22 Oct 2024 08:24:57 +0800 From: kernel test robot To: Yu Zhao , Andrew Morton , Catalin Marinas , Marc Zyngier , Muchun Song , Thomas Gleixner , Will Deacon Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Douglas Anderson , Mark Rutland , Nanyong Sun , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Yu Zhao Subject: Re: [PATCH v1 3/6] irqchip/gic-v3: support SGI broadcast Message-ID: <202410221026.yJKHaGWA-lkp@intel.com> References: <20241021042218.746659-4-yuzhao@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241021042218.746659-4-yuzhao@google.com> Hi Yu, kernel test robot noticed the following build warnings: [auto build test WARNING on 42f7652d3eb527d03665b09edac47f85fb600924] url: https://github.com/intel-lab-lkp/linux/commits/Yu-Zhao/mm-hugetlb_vmemmap-batch-update-PTEs/20241021-122330 base: 42f7652d3eb527d03665b09edac47f85fb600924 patch link: https://lore.kernel.org/r/20241021042218.746659-4-yuzhao%40google.com patch subject: [PATCH v1 3/6] irqchip/gic-v3: support SGI broadcast config: arm-defconfig (https://download.01.org/0day-ci/archive/20241022/202410221026.yJKHaGWA-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241022/202410221026.yJKHaGWA-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/202410221026.yJKHaGWA-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/irqchip/irq-gic-v3.c:1401:8: warning: shift count >= width of type [-Wshift-count-overflow] val = BIT(ICC_SGI1R_IRQ_ROUTING_MODE_BIT) | (irq << ICC_SGI1R_SGI_ID_SHIFT); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/vdso/bits.h:7:26: note: expanded from macro 'BIT' #define BIT(nr) (UL(1) << (nr)) ^ ~~~~ 1 warning generated. vim +1401 drivers/irqchip/irq-gic-v3.c 1396 1397 static void gic_broadcast_sgi(unsigned int irq) 1398 { 1399 u64 val; 1400 > 1401 val = BIT(ICC_SGI1R_IRQ_ROUTING_MODE_BIT) | (irq << ICC_SGI1R_SGI_ID_SHIFT); 1402 1403 pr_devel("CPU %d: broadcasting SGI %u\n", smp_processor_id(), irq); 1404 gic_write_sgi1r(val); 1405 } 1406 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki