[PATCH 1/3] powerpc/xmon: Dump ftrace buffers for the current CPU

[kbuild test robot]

Hi Breno,

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.13-rc3 next-20170802]
[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/Breno-Leitao/powerpc-xmon-Dump-ftrace-buffers-for-the-current-CPU/20170801-054818
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-amigaone_defconfig (attached as .config)
compiler: powerpc-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/xmon/xmon.c: In function 'dump':
>> arch/powerpc/xmon/xmon.c:2525:3: error: implicit declaration of function 'dump_tracing' [-Werror=implicit-function-declaration]
      dump_tracing();
      ^~~~~~~~~~~~
   cc1: all warnings being treated as errors

vim +/dump_tracing +2525 arch/powerpc/xmon/xmon.c

  2523	
  2524		if (c == 't') {
> 2525			dump_tracing();
  2526			return;
  2527		}
  2528	
  2529		if (c == '\n')
  2530			termch = c;
  2531	
  2532		scanhex((void *)&adrs);
  2533		if (termch != '\n')
  2534			termch = 0;
  2535		if (c == 'i') {
  2536			scanhex(&nidump);
  2537			if (nidump == 0)
  2538				nidump = 16;
  2539			else if (nidump > MAX_DUMP)
  2540				nidump = MAX_DUMP;
  2541			adrs += ppc_inst_dump(adrs, nidump, 1);
  2542			last_cmd = "di\n";
  2543		} else if (c == 'l') {
  2544			dump_log_buf();
  2545		} else if (c == 'o') {
  2546			dump_opal_msglog();
  2547		} else if (c == 'r') {
  2548			scanhex(&ndump);
  2549			if (ndump == 0)
  2550				ndump = 64;
  2551			xmon_rawdump(adrs, ndump);
  2552			adrs += ndump;
  2553			last_cmd = "dr\n";
  2554		} else {
  2555			scanhex(&ndump);
  2556			if (ndump == 0)
  2557				ndump = 64;
  2558			else if (ndump > MAX_DUMP)
  2559				ndump = MAX_DUMP;
  2560	
  2561			switch (c) {
  2562			case '8':
  2563			case '4':
  2564			case '2':
  2565			case '1':
  2566				ndump = ALIGN(ndump, 16);
  2567				dump_by_size(adrs, ndump, c - '0');
  2568				last[1] = c;
  2569				last_cmd = last;
  2570				break;
  2571			default:
  2572				prdump(adrs, ndump);
  2573				last_cmd = "d\n";
  2574			}
  2575	
  2576			adrs += ndump;
  2577		}
  2578	}
  2579	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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