our patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Lucas-Wei/arm64-errata-Workaround-for-SI-L1-downstream-coherency-issue/20251226-154541 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20251226074106.3751725-1-lucaswei%40google.com patch subject: [PATCH] arm64: errata: Workaround for SI L1 downstream coherency issue config: arm64-randconfig-r123-20251227 (https://download.01.org/0day-ci/archive/20251227/202512271720.e5kDPkoP-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251227/202512271720.e5kDPkoP-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/202512271720.e5kDPkoP-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) arch/arm64/kernel/cpu_errata.c:444:18: sparse: sparse: Initializer entry defined twice arch/arm64/kernel/cpu_errata.c:445:17: sparse: also defined here arch/arm64/kernel/cpu_errata.c:450:18: sparse: sparse: Initializer entry defined twice arch/arm64/kernel/cpu_errata.c:451:17: sparse: also defined here arch/arm64/kernel/cpu_errata.c:757:17: sparse: sparse: Initializer entry defined twice arch/arm64/kernel/cpu_errata.c:758:18: sparse: also defined here vim +/arm_si_l1_workaround_4311569 +145 arch/arm64/kernel/cpu_errata.c 143 144 #ifdef CONFIG_ARM64_ERRATUM_4311569 > 145 DEFINE_STATIC_KEY_FALSE(arm_si_l1_workaround_4311569); 146 static int __init early_arm_si_l1_workaround_4311569_cfg(char *arg) 147 { 148 static_branch_enable(&arm_si_l1_workaround_4311569); 149 pr_info("Enabling cache maintenance workaround for ARM SI-L1 erratum 4311569\n"); 150 151 return 0; 152 } 153 early_param("arm_si_l1_workaround_4311569", early_arm_si_l1_workaround_4311569_cfg); 154 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki[PATCH] arm64: errata: Workaround for SI L1 downstream coherency issuekernel test robot undefinedLucas Wei , Catalin Marinas , Will Deacon , Jonathan Corbet undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefinedęy„Üg