Messages in this thread | | | Date | Thu, 21 Jul 2022 10:14:16 +0800 | From | kernel test robot <> | Subject | [jcmvbkbc-xtensa:xtensa-5.19-rochester 13/13] arch/xtensa/kernel/traps.c:162:31: warning: ignoring attribute 'section (".data.exception")' because it conflicts with previous 'section (".data")' |
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tree: https://github.com/jcmvbkbc/linux-xtensa xtensa-5.19-rochester head: a44f397d234e4e2fdde909a931dfd1dcd6c69a1e commit: a44f397d234e4e2fdde909a931dfd1dcd6c69a1e [13/13] WIP: xtensa: add VECTORS_DATA config: xtensa-audio_kc705_defconfig (https://download.01.org/0day-ci/archive/20220721/202207211000.DcYukPu4-lkp@intel.com/config) compiler: xtensa-test_kc705_hifi-linux-gcc (GCC) 12.1.0 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://github.com/jcmvbkbc/linux-xtensa/commit/a44f397d234e4e2fdde909a931dfd1dcd6c69a1e git remote add jcmvbkbc-xtensa https://github.com/jcmvbkbc/linux-xtensa git fetch --no-tags jcmvbkbc-xtensa xtensa-5.19-rochester git checkout a44f397d234e4e2fdde909a931dfd1dcd6c69a1e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=xtensa SHELL=/bin/bash arch/xtensa/kernel/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from include/asm-generic/percpu.h:7, from ./arch/xtensa/include/generated/asm/percpu.h:1, from include/linux/irqflags.h:17, from include/asm-generic/cmpxchg-local.h:6, from arch/xtensa/include/asm/cmpxchg.h:90, from arch/xtensa/include/asm/atomic.h:19, from include/linux/atomic.h:7, from include/asm-generic/bitops/lock.h:5, from arch/xtensa/include/asm/bitops.h:215, from include/linux/bitops.h:33, from include/linux/kernel.h:22, from arch/xtensa/kernel/traps.c:26: >> arch/xtensa/kernel/traps.c:162:31: warning: ignoring attribute 'section (".data.exception")' because it conflicts with previous 'section (".data")' [-Wattributes] 162 | DEFINE_PER_CPU_SECTION(struct exc_table, exc_table, ".exception"); | ^~~~~~~~~ include/linux/percpu-defs.h:104:38: note: in definition of macro 'DEFINE_PER_CPU_SECTION' 104 | __PCPU_ATTRS(sec) __typeof__(type) name | ^~~~ arch/xtensa/include/asm/traps.h:42:35: note: previous declaration here 42 | DECLARE_PER_CPU(struct exc_table, exc_table); | ^~~~~~~~~ include/linux/percpu-defs.h:101:51: note: in definition of macro 'DECLARE_PER_CPU_SECTION' 101 | extern __PCPU_ATTRS(sec) __typeof__(type) name | ^~~~ arch/xtensa/include/asm/traps.h:42:1: note: in expansion of macro 'DECLARE_PER_CPU' 42 | DECLARE_PER_CPU(struct exc_table, exc_table); | ^~~~~~~~~~~~~~~ arch/xtensa/kernel/traps.c:452:13: warning: no previous prototype for 'trap_init' [-Wmissing-prototypes] 452 | void __init trap_init(void) | ^~~~~~~~~
vim +162 arch/xtensa/kernel/traps.c
156 157 /* The exception table <exc_table> serves two functions: 158 * 1. it contains three dispatch tables (fast_user, fast_kernel, default-c) 159 * 2. it is a temporary memory buffer for the exception handlers. 160 */ 161 > 162 DEFINE_PER_CPU_SECTION(struct exc_table, exc_table, ".exception"); 163 DEFINE_PER_CPU(struct debug_table, debug_table); 164
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