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X-CSE-ConnectionGUID: rgjB5OzMQOaNNki95nje9Q== X-CSE-MsgGUID: pF8/E9TTR8a3I1AQnmU+gw== X-IronPort-AV: E=McAfee;i="6800,10657,11929"; a="333639" X-IronPort-AV: E=Sophos;i="6.27,147,1787036400"; d="scan'208";a="333639" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2026 01:52:28 -0700 X-CSE-ConnectionGUID: srycHD4ZStamFRkXQEvv0Q== X-CSE-MsgGUID: Ay1nXlqtTDKnCFjdb3gcMA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,147,1787036400"; d="scan'208";a="206048" Received: from igk-lkp-server01.igk.intel.com (HELO d0de6c2a75a7) ([10.211.93.152]) by orviesa007.jf.intel.com with ESMTP; 09 Oct 2026 01:52:26 -0700 Received: from kbuild by d0de6c2a75a7 with local (Exim 4.98.2) (envelope-from ) id 1xF6L1-000000006sj-3lTi; Fri, 09 Oct 2026 08:52:23 +0000 Date: Fri, 09 Oct 2026 10:52:12 +0200 From: kernel test robot To: Daniel Zahka Cc: oe-kbuild-all@lists.linux.dev, Paolo Abeni Subject: [linux-next:master 10013/15343] include/linux/io-64-nonatomic-lo-hi.h:21:9: sparse: sparse: cast truncates bits from constant value (1f000000000000 becomes 0) Message-ID: <202610091003.EgYObgiu-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: aac26bee2287c88af5be5a5ff96d783b19a28790 commit: 3d4e4ad43aa455353067cf004d0618009ac39205 [10013/15343] eth: mpnic: implement Tx queue allocation and cleanup config: csky-randconfig-r2300-20261009 (https://download.01.org/0day-ci/archive/20261009/202610091003.EgYObgiu-lkp@intel.com/config) compiler: csky-linux-gcc (GCC) 11.5.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261009/202610091003.EgYObgiu-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/202610091003.EgYObgiu-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/meta/mpnic/mpnic_txrx.c: note: in included file (through drivers/net/ethernet/meta/mpnic/mpnic.h): >> include/linux/io-64-nonatomic-lo-hi.h:21:9: sparse: sparse: cast truncates bits from constant value (1f000000000000 becomes 0) include/linux/io-64-nonatomic-lo-hi.h:21:9: sparse: sparse: cast truncates bits from constant value (17000000000000 becomes 0) include/linux/io-64-nonatomic-lo-hi.h:21:9: sparse: sparse: cast truncates bits from constant value (37000000000000 becomes 0) vim +21 include/linux/io-64-nonatomic-lo-hi.h 797a796a13df6b include/asm-generic/io-64-nonatomic-lo-hi.h Hitoshi Mitake 2012-02-07 18 3a044178cccfeb include/asm-generic/io-64-nonatomic-lo-hi.h Jason Baron 2014-07-04 19 static inline void lo_hi_writeq(__u64 val, volatile void __iomem *addr) 797a796a13df6b include/asm-generic/io-64-nonatomic-lo-hi.h Hitoshi Mitake 2012-02-07 20 { 797a796a13df6b include/asm-generic/io-64-nonatomic-lo-hi.h Hitoshi Mitake 2012-02-07 @21 writel(val, addr); 797a796a13df6b include/asm-generic/io-64-nonatomic-lo-hi.h Hitoshi Mitake 2012-02-07 22 writel(val >> 32, addr + 4); 797a796a13df6b include/asm-generic/io-64-nonatomic-lo-hi.h Hitoshi Mitake 2012-02-07 23 } 3a044178cccfeb include/asm-generic/io-64-nonatomic-lo-hi.h Jason Baron 2014-07-04 24 :::::: The code at line 21 was first introduced by commit :::::: 797a796a13df6b84a4791e57306737059b5b2384 asm-generic: architecture independent readq/writeq for 32bit environment :::::: TO: Hitoshi Mitake :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki