Re: [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  

---
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