Hi Masami, I love your patch! Yet something to improve:
[auto build test ERROR on tip/perf/core] [also build test ERROR on v4.18-rc6 next-20180727] [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/Masami-Hiramatsu/tracing-kprobes-Prohibit-probing-on-notrace-functions/20180728-145919 config: i386-randconfig-a0-201829 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): kernel/trace/trace_kprobe.c: In function 'within_notrace_func': >> kernel/trace/trace_kprobe.c:503:2: error: implicit declaration of function >> 'ftrace_location_range' [-Werror=implicit-function-declaration] return !ftrace_location_range(addr - offset, addr - offset + size); ^ cc1: some warnings being treated as errors vim +/ftrace_location_range +503 kernel/trace/trace_kprobe.c 489 490 #ifdef CONFIG_KPROBE_EVENTS_ON_NOTRACE 491 #define within_notrace_func(tk) (false) 492 #else 493 static bool within_notrace_func(struct trace_kprobe *tk) 494 { 495 unsigned long offset, size, addr; 496 497 addr = kallsyms_lookup_name(trace_kprobe_symbol(tk)); 498 addr += trace_kprobe_offset(tk); 499 500 if (!kallsyms_lookup_size_offset(addr, &size, &offset)) 501 return true; /* Out of range. */ 502 > 503 return !ftrace_location_range(addr - offset, addr - offset + > size); 504 } 505 #endif 506 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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