Hi Andi, [auto build test ERROR on asm-generic/master] [also build test ERROR on v4.7 next-20160802] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Andi-Kleen/Support-resetting-WARN-_ONCE/20160803-112312 base: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All errors (new ones prefixed by >>): kernel/panic.c: In function 'clear_warn_once_set': >> kernel/panic.c:557:9: error: '__start_once' undeclared (first use in this >> function) memset(__start_once, 0, __end_once - __start_once); ^ kernel/panic.c:557:9: note: each undeclared identifier is reported only once for each function it appears in >> kernel/panic.c:557:26: error: '__end_once' undeclared (first use in this >> function) memset(__start_once, 0, __end_once - __start_once); ^ vim +/__start_once +557 kernel/panic.c 551 #endif 552 553 /* Support resetting WARN*_ONCE state */ 554 555 static int clear_warn_once_set(void *data, u64 val) 556 { > 557 memset(__start_once, 0, __end_once - __start_once); 558 return 0; 559 } 560 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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