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charset=us-ascii Content-Disposition: inline :::::: :::::: Manual check reason: "low confidence static check first_new_problem: arch/arm/kernel/cacheinfo.c:47:21: sparse: sparse: trying to concatenate 9586-character string (8191 bytes max)" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20250305-fixed-type-genmasks-v4-3-1873dcdf6723@wanadoo.fr> References: <20250305-fixed-type-genmasks-v4-3-1873dcdf6723@wanadoo.fr> TO: Vincent Mailhol via B4 Relay Hi Vincent, kernel test robot noticed the following build warnings: [auto build test WARNING on 7eb172143d5508b4da468ed59ee857c6e5e01da6] url: https://github.com/intel-lab-lkp/linux/commits/Vincent-Mailhol-via-B4-Relay/bits-fix-typo-unsigned-__init128-unsigned-__int128/20250305-210248 base: 7eb172143d5508b4da468ed59ee857c6e5e01da6 patch link: https://lore.kernel.org/r/20250305-fixed-type-genmasks-v4-3-1873dcdf6723%40wanadoo.fr patch subject: [PATCH v4 3/8] bits: introduce fixed-type genmasks :::::: branch date: 13 days ago :::::: commit date: 13 days ago config: arm-randconfig-r122-20250318 (https://download.01.org/0day-ci/archive/20250319/202503190705.CNDxMfGV-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20250319/202503190705.CNDxMfGV-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/r/202503190705.CNDxMfGV-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/arm/kernel/cacheinfo.c:47:21: sparse: sparse: trying to concatenate 9586-character string (8191 bytes max) vim +47 arch/arm/kernel/cacheinfo.c a9ff94477836cb Dmitry Baryshkov 2025-01-14 32 a9ff94477836cb Dmitry Baryshkov 2025-01-14 33 /* Also valid for v7m */ a9ff94477836cb Dmitry Baryshkov 2025-01-14 34 static inline int cache_line_size_cp15(void) a9ff94477836cb Dmitry Baryshkov 2025-01-14 35 { a9ff94477836cb Dmitry Baryshkov 2025-01-14 36 u32 ctr = read_cpuid_cachetype(); a9ff94477836cb Dmitry Baryshkov 2025-01-14 37 u32 format = FIELD_GET(CTR_FORMAT_MASK, ctr); a9ff94477836cb Dmitry Baryshkov 2025-01-14 38 a9ff94477836cb Dmitry Baryshkov 2025-01-14 39 if (format == CTR_FORMAT_ARMV7) { a9ff94477836cb Dmitry Baryshkov 2025-01-14 40 u32 cwg = FIELD_GET(CTR_CWG_MASK, ctr); a9ff94477836cb Dmitry Baryshkov 2025-01-14 41 a9ff94477836cb Dmitry Baryshkov 2025-01-14 42 return cwg ? 4 << cwg : ARCH_DMA_MINALIGN; a9ff94477836cb Dmitry Baryshkov 2025-01-14 43 } else if (WARN_ON_ONCE(format != CTR_FORMAT_ARMV6)) { a9ff94477836cb Dmitry Baryshkov 2025-01-14 44 return ARCH_DMA_MINALIGN; a9ff94477836cb Dmitry Baryshkov 2025-01-14 45 } a9ff94477836cb Dmitry Baryshkov 2025-01-14 46 a9ff94477836cb Dmitry Baryshkov 2025-01-14 @47 return 8 << max(FIELD_GET(CTR_ISIZE_LEN_MASK, ctr), a9ff94477836cb Dmitry Baryshkov 2025-01-14 48 FIELD_GET(CTR_DSIZE_LEN_MASK, ctr)); a9ff94477836cb Dmitry Baryshkov 2025-01-14 49 } a9ff94477836cb Dmitry Baryshkov 2025-01-14 50 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki