tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: c6b11acc5f85b6e11d128fad8e0b7b223aa7e33f commit: 3394cb084a8d6f5125c69406e5f2909921ecdd07 [9572/9613] arm64: mte: add in-kernel MTE helpers config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=3394cb084a8d6f5125c69406e5f2909921ecdd07 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 3394cb084a8d6f5125c69406e5f2909921ecdd07 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arch/arm64/kernel/mte.c: In function 'set_sctlr_el1_tcf0': >> arch/arm64/kernel/mte.c:138:17: error: 'struct thread_struct' has no member named 'sctlr_tcf0' 138 | current->thread.sctlr_tcf0 = tcf0; | ^ At top level: arch/arm64/kernel/mte.c:130:13: warning: 'set_sctlr_el1_tcf0' defined but not used [-Wunused-function] 130 | static void set_sctlr_el1_tcf0(u64 tcf0) | ^~~~~~~~~~~~~~~~~~ vim +138 arch/arm64/kernel/mte.c 129 130 static void set_sctlr_el1_tcf0(u64 tcf0) 131 { 132 /* 133 * mte_thread_switch() checks current->thread.sctlr_tcf0 as an 134 * optimisation. Disable preemption so that it does not see 135 * the variable update before the SCTLR_EL1.TCF0 one. 136 */ 137 preempt_disable(); > 138 current->thread.sctlr_tcf0 = tcf0; 139 update_sctlr_el1_tcf0(tcf0); 140 preempt_enable(); 141 } 142 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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