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d="scan'208";a="4158442" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa009.fm.intel.com with ESMTP; 23 Oct 2026 17:04:13 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xKPF4-00000000TO2-3mRJ; Sat, 24 Oct 2026 00:04:10 +0000 Date: Sat, 24 Oct 2026 08:03:32 +0800 From: kernel test robot To: Huacai Chen Cc: oe-kbuild-all@lists.linux.dev Subject: [chenhuacai-loongson:loongarch-next 9/22] arch/loongarch/include/asm/numa.h:17:48: warning: left shift count >= width of type Message-ID: <202610240732.2HGud7k8-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list tree: https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git loongarch-next head: ce668200313df40f8c74752b9601a3a85def24f5 commit: 9c04d06741cd87a9e18cafff1cfeff8c5ff6727a [9/22] LoongArch: Use pa_to_nid()/nid_to_addrbase() rather than hard-code config: loongarch-randconfig-1001-20261023 (https://download.01.org/0day-ci/archive/20261024/202610240732.2HGud7k8-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 16.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261024/202610240732.2HGud7k8-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/202610240732.2HGud7k8-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/loongarch/pci/pci.c:15: arch/loongarch/pci/pci.c: In function 'mcfg_addr_init': >> arch/loongarch/include/asm/numa.h:17:48: warning: left shift count >= width of type [-Wshift-count-overflow] 17 | #define nid_to_addrbase(nid) (_ULCAST_(nid) << NODE_ADDRSPACE_SHIFT) | ^~ arch/loongarch/pci/pci.c:47:17: note: in expansion of macro 'nid_to_addrbase' 47 | return (nid_to_addrbase(node) | MCFG_EXT_PCICFG_BASE); | ^~~~~~~~~~~~~~~ >> arch/loongarch/pci/pci.c:47:39: warning: conversion from 'long long unsigned int' to 'phys_addr_t' {aka 'unsigned int'} changes value from '16484084482048' to '0' [-Woverflow] 47 | return (nid_to_addrbase(node) | MCFG_EXT_PCICFG_BASE); | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ vim +17 arch/loongarch/include/asm/numa.h d4b6f1562a3c32 Huacai Chen 2022-05-31 15 d4b6f1562a3c32 Huacai Chen 2022-05-31 16 #define pa_to_nid(addr) (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT) d4b6f1562a3c32 Huacai Chen 2022-05-31 @17 #define nid_to_addrbase(nid) (_ULCAST_(nid) << NODE_ADDRSPACE_SHIFT) d4b6f1562a3c32 Huacai Chen 2022-05-31 18 :::::: The code at line 17 was first introduced by commit :::::: d4b6f1562a3c3284adcef81d6e4f183d7d34b8a9 LoongArch: Add Non-Uniform Memory Access (NUMA) support :::::: TO: Huacai Chen :::::: CC: Huacai Chen -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki