tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f4788d37bc84e27ac9370be252afb451bf6ef718 commit: 4dd635bce90e8b6ed31c08cd654deca29f4d9d66 [6470/6646] mm, kprobes: generalize and rename notify_page_fault() as kprobe_page_fault() config: mips-allmodconfig (attached as .config) compiler: mips-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 4dd635bce90e8b6ed31c08cd654deca29f4d9d66 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=mips If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from net//sctp/offload.c:11:0: include/linux/kprobes.h: In function 'kprobe_page_fault': >> include/linux/kprobes.h:477:9: error: implicit declaration of function 'kprobe_fault_handler'; did you mean 'kprobe_page_fault'? [-Werror=implicit-function-declaration] return kprobe_fault_handler(regs, trap); ^~~~~~~~~~~~~~~~~~~~ kprobe_page_fault cc1: some warnings being treated as errors -- In file included from arch/mips//kernel/traps.c:36:0: include/linux/kprobes.h: In function 'kprobe_page_fault': >> include/linux/kprobes.h:477:9: error: implicit declaration of function 'kprobe_fault_handler'; did you mean 'kprobe_page_fault'? [-Werror=implicit-function-declaration] return kprobe_fault_handler(regs, trap); ^~~~~~~~~~~~~~~~~~~~ kprobe_page_fault cc1: all warnings being treated as errors -- In file included from arch/mips//kernel/kprobes.c:14:0: include/linux/kprobes.h: In function 'kprobe_page_fault': >> include/linux/kprobes.h:477:9: error: implicit declaration of function 'kprobe_fault_handler'; did you mean 'kprobe_page_fault'? [-Werror=implicit-function-declaration] return kprobe_fault_handler(regs, trap); ^~~~~~~~~~~~~~~~~~~~ kprobe_page_fault arch/mips//kernel/kprobes.c: At top level: >> arch/mips//kernel/kprobes.c:401:19: error: static declaration of 'kprobe_fault_handler' follows non-static declaration static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) ^~~~~~~~~~~~~~~~~~~~ In file included from arch/mips//kernel/kprobes.c:14:0: include/linux/kprobes.h:477:9: note: previous implicit declaration of 'kprobe_fault_handler' was here return kprobe_fault_handler(regs, trap); ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- In file included from arch/mips/kernel/kprobes.c:14:0: include/linux/kprobes.h: In function 'kprobe_page_fault': >> include/linux/kprobes.h:477:9: error: implicit declaration of function 'kprobe_fault_handler'; did you mean 'kprobe_page_fault'? [-Werror=implicit-function-declaration] return kprobe_fault_handler(regs, trap); ^~~~~~~~~~~~~~~~~~~~ kprobe_page_fault arch/mips/kernel/kprobes.c: At top level: arch/mips/kernel/kprobes.c:401:19: error: static declaration of 'kprobe_fault_handler' follows non-static declaration static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr) ^~~~~~~~~~~~~~~~~~~~ In file included from arch/mips/kernel/kprobes.c:14:0: include/linux/kprobes.h:477:9: note: previous implicit declaration of 'kprobe_fault_handler' was here return kprobe_fault_handler(regs, trap); ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +477 include/linux/kprobes.h 460 461 /* Returns true if kprobes handled the fault */ 462 static nokprobe_inline bool kprobe_page_fault(struct pt_regs *regs, 463 unsigned int trap) 464 { 465 if (!kprobes_built_in()) 466 return false; 467 if (user_mode(regs)) 468 return false; 469 /* 470 * To be potentially processing a kprobe fault and to be allowed 471 * to call kprobe_running(), we have to be non-preemptible. 472 */ 473 if (preemptible()) 474 return false; 475 if (!kprobe_running()) 476 return false; > 477 return kprobe_fault_handler(regs, trap); 478 } 479 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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