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* [peterz-queue:sched/wchan 7/7] arch/nds32/kernel/stacktrace.c:13:13: error: 'savesched' redeclared as different kind of symbol
@ 2021-10-07  8:15 ` kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-10-07  8:15 UTC (permalink / raw)
  To: Peter Zijlstra; +Cc: kbuild-all, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 5164 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/wchan
head:   48f17ab32afc56a67359efc5b8889cb8cb42ec80
commit: 48f17ab32afc56a67359efc5b8889cb8cb42ec80 [7/7] arch: Fix STACKTRACE_SUPPORT
config: nds32-defconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=48f17ab32afc56a67359efc5b8889cb8cb42ec80
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue sched/wchan
        git checkout 48f17ab32afc56a67359efc5b8889cb8cb42ec80
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arch/nds32/kernel/stacktrace.c: In function '__save_stack_trace_tsk':
>> arch/nds32/kernel/stacktrace.c:13:13: error: 'savesched' redeclared as different kind of symbol
      13 |         int savesched;
         |             ^~~~~~~~~
   arch/nds32/kernel/stacktrace.c:9:93: note: previous definition of 'savesched' with type 'bool' {aka '_Bool'}
       9 | static void __save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace, bool savesched)
         |                                                                                        ~~~~~^~~~~~~~~


vim +/savesched +13 arch/nds32/kernel/stacktrace.c

2923f5ea7738cb9 Greentime Hu   2017-10-24   8  
48f17ab32afc56a Peter Zijlstra 2021-09-30   9  static void __save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace, bool savesched)
2923f5ea7738cb9 Greentime Hu   2017-10-24  10  {
2923f5ea7738cb9 Greentime Hu   2017-10-24  11  	unsigned long *fpn;
2923f5ea7738cb9 Greentime Hu   2017-10-24  12  	int skip = trace->skip;
2923f5ea7738cb9 Greentime Hu   2017-10-24 @13  	int savesched;
1e377ae9b04aef4 Zong Li        2018-08-15  14  	int graph_idx = 0;
2923f5ea7738cb9 Greentime Hu   2017-10-24  15  
2923f5ea7738cb9 Greentime Hu   2017-10-24  16  	if (tsk == current) {
2923f5ea7738cb9 Greentime Hu   2017-10-24  17  		__asm__ __volatile__("\tori\t%0, $fp, #0\n":"=r"(fpn));
2923f5ea7738cb9 Greentime Hu   2017-10-24  18  	} else {
2923f5ea7738cb9 Greentime Hu   2017-10-24  19  		fpn = (unsigned long *)thread_saved_fp(tsk);
2923f5ea7738cb9 Greentime Hu   2017-10-24  20  	}
2923f5ea7738cb9 Greentime Hu   2017-10-24  21  
2923f5ea7738cb9 Greentime Hu   2017-10-24  22  	while (!kstack_end(fpn) && !((unsigned long)fpn & 0x3)
2923f5ea7738cb9 Greentime Hu   2017-10-24  23  	       && (fpn >= (unsigned long *)TASK_SIZE)) {
2923f5ea7738cb9 Greentime Hu   2017-10-24  24  		unsigned long lpp, fpp;
2923f5ea7738cb9 Greentime Hu   2017-10-24  25  
95f93ed7fe92c16 Zong Li        2018-08-20  26  		lpp = fpn[LP_OFFSET];
2923f5ea7738cb9 Greentime Hu   2017-10-24  27  		fpp = fpn[FP_OFFSET];
2923f5ea7738cb9 Greentime Hu   2017-10-24  28  		if (!__kernel_text_address(lpp))
2923f5ea7738cb9 Greentime Hu   2017-10-24  29  			break;
1e377ae9b04aef4 Zong Li        2018-08-15  30  		else
1e377ae9b04aef4 Zong Li        2018-08-15  31  			lpp = ftrace_graph_ret_addr(tsk, &graph_idx, lpp, NULL);
2923f5ea7738cb9 Greentime Hu   2017-10-24  32  
2923f5ea7738cb9 Greentime Hu   2017-10-24  33  		if (savesched || !in_sched_functions(lpp)) {
2923f5ea7738cb9 Greentime Hu   2017-10-24  34  			if (skip) {
2923f5ea7738cb9 Greentime Hu   2017-10-24  35  				skip--;
2923f5ea7738cb9 Greentime Hu   2017-10-24  36  			} else {
2923f5ea7738cb9 Greentime Hu   2017-10-24  37  				trace->entries[trace->nr_entries++] = lpp;
2923f5ea7738cb9 Greentime Hu   2017-10-24  38  				if (trace->nr_entries >= trace->max_entries)
2923f5ea7738cb9 Greentime Hu   2017-10-24  39  					break;
2923f5ea7738cb9 Greentime Hu   2017-10-24  40  			}
2923f5ea7738cb9 Greentime Hu   2017-10-24  41  		}
2923f5ea7738cb9 Greentime Hu   2017-10-24  42  		fpn = (unsigned long *)fpp;
2923f5ea7738cb9 Greentime Hu   2017-10-24  43  	}
2923f5ea7738cb9 Greentime Hu   2017-10-24  44  }
48f17ab32afc56a Peter Zijlstra 2021-09-30  45  void save_stack_trace(struct stack_trace *trace)
48f17ab32afc56a Peter Zijlstra 2021-09-30  46  {
48f17ab32afc56a Peter Zijlstra 2021-09-30  47  	__save_stack_trace_tsk(current, trace, true);
48f17ab32afc56a Peter Zijlstra 2021-09-30  48  }
48f17ab32afc56a Peter Zijlstra 2021-09-30  49  EXPORT_SYMBOL_GPL(save_stack_trace);
48f17ab32afc56a Peter Zijlstra 2021-09-30  50  

:::::: The code at line 13 was first introduced by commit
:::::: 2923f5ea7738cb9f5372bb9d7ac9886cf4193003 nds32: Exception handling

:::::: TO: Greentime Hu <greentime@andestech.com>
:::::: CC: Greentime Hu <greentime@andestech.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
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^ permalink raw reply	[flat|nested] 2+ messages in thread
* [peterz-queue:sched/wchan 7/7] arch/nds32/kernel/stacktrace.c:13:13: error: 'savesched' redeclared as different kind of symbol
@ 2021-10-07  8:15 ` kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-10-07  8:15 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 5251 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/wchan
head:   48f17ab32afc56a67359efc5b8889cb8cb42ec80
commit: 48f17ab32afc56a67359efc5b8889cb8cb42ec80 [7/7] arch: Fix STACKTRACE_SUPPORT
config: nds32-defconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=48f17ab32afc56a67359efc5b8889cb8cb42ec80
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue sched/wchan
        git checkout 48f17ab32afc56a67359efc5b8889cb8cb42ec80
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arch/nds32/kernel/stacktrace.c: In function '__save_stack_trace_tsk':
>> arch/nds32/kernel/stacktrace.c:13:13: error: 'savesched' redeclared as different kind of symbol
      13 |         int savesched;
         |             ^~~~~~~~~
   arch/nds32/kernel/stacktrace.c:9:93: note: previous definition of 'savesched' with type 'bool' {aka '_Bool'}
       9 | static void __save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace, bool savesched)
         |                                                                                        ~~~~~^~~~~~~~~


vim +/savesched +13 arch/nds32/kernel/stacktrace.c

2923f5ea7738cb9 Greentime Hu   2017-10-24   8  
48f17ab32afc56a Peter Zijlstra 2021-09-30   9  static void __save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace, bool savesched)
2923f5ea7738cb9 Greentime Hu   2017-10-24  10  {
2923f5ea7738cb9 Greentime Hu   2017-10-24  11  	unsigned long *fpn;
2923f5ea7738cb9 Greentime Hu   2017-10-24  12  	int skip = trace->skip;
2923f5ea7738cb9 Greentime Hu   2017-10-24 @13  	int savesched;
1e377ae9b04aef4 Zong Li        2018-08-15  14  	int graph_idx = 0;
2923f5ea7738cb9 Greentime Hu   2017-10-24  15  
2923f5ea7738cb9 Greentime Hu   2017-10-24  16  	if (tsk == current) {
2923f5ea7738cb9 Greentime Hu   2017-10-24  17  		__asm__ __volatile__("\tori\t%0, $fp, #0\n":"=r"(fpn));
2923f5ea7738cb9 Greentime Hu   2017-10-24  18  	} else {
2923f5ea7738cb9 Greentime Hu   2017-10-24  19  		fpn = (unsigned long *)thread_saved_fp(tsk);
2923f5ea7738cb9 Greentime Hu   2017-10-24  20  	}
2923f5ea7738cb9 Greentime Hu   2017-10-24  21  
2923f5ea7738cb9 Greentime Hu   2017-10-24  22  	while (!kstack_end(fpn) && !((unsigned long)fpn & 0x3)
2923f5ea7738cb9 Greentime Hu   2017-10-24  23  	       && (fpn >= (unsigned long *)TASK_SIZE)) {
2923f5ea7738cb9 Greentime Hu   2017-10-24  24  		unsigned long lpp, fpp;
2923f5ea7738cb9 Greentime Hu   2017-10-24  25  
95f93ed7fe92c16 Zong Li        2018-08-20  26  		lpp = fpn[LP_OFFSET];
2923f5ea7738cb9 Greentime Hu   2017-10-24  27  		fpp = fpn[FP_OFFSET];
2923f5ea7738cb9 Greentime Hu   2017-10-24  28  		if (!__kernel_text_address(lpp))
2923f5ea7738cb9 Greentime Hu   2017-10-24  29  			break;
1e377ae9b04aef4 Zong Li        2018-08-15  30  		else
1e377ae9b04aef4 Zong Li        2018-08-15  31  			lpp = ftrace_graph_ret_addr(tsk, &graph_idx, lpp, NULL);
2923f5ea7738cb9 Greentime Hu   2017-10-24  32  
2923f5ea7738cb9 Greentime Hu   2017-10-24  33  		if (savesched || !in_sched_functions(lpp)) {
2923f5ea7738cb9 Greentime Hu   2017-10-24  34  			if (skip) {
2923f5ea7738cb9 Greentime Hu   2017-10-24  35  				skip--;
2923f5ea7738cb9 Greentime Hu   2017-10-24  36  			} else {
2923f5ea7738cb9 Greentime Hu   2017-10-24  37  				trace->entries[trace->nr_entries++] = lpp;
2923f5ea7738cb9 Greentime Hu   2017-10-24  38  				if (trace->nr_entries >= trace->max_entries)
2923f5ea7738cb9 Greentime Hu   2017-10-24  39  					break;
2923f5ea7738cb9 Greentime Hu   2017-10-24  40  			}
2923f5ea7738cb9 Greentime Hu   2017-10-24  41  		}
2923f5ea7738cb9 Greentime Hu   2017-10-24  42  		fpn = (unsigned long *)fpp;
2923f5ea7738cb9 Greentime Hu   2017-10-24  43  	}
2923f5ea7738cb9 Greentime Hu   2017-10-24  44  }
48f17ab32afc56a Peter Zijlstra 2021-09-30  45  void save_stack_trace(struct stack_trace *trace)
48f17ab32afc56a Peter Zijlstra 2021-09-30  46  {
48f17ab32afc56a Peter Zijlstra 2021-09-30  47  	__save_stack_trace_tsk(current, trace, true);
48f17ab32afc56a Peter Zijlstra 2021-09-30  48  }
48f17ab32afc56a Peter Zijlstra 2021-09-30  49  EXPORT_SYMBOL_GPL(save_stack_trace);
48f17ab32afc56a Peter Zijlstra 2021-09-30  50  

:::::: The code at line 13 was first introduced by commit
:::::: 2923f5ea7738cb9f5372bb9d7ac9886cf4193003 nds32: Exception handling

:::::: TO: Greentime Hu <greentime@andestech.com>
:::::: CC: Greentime Hu <greentime@andestech.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
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^ permalink raw reply	[flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-10-07  8:16 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2021-10-07  8:15 [peterz-queue:sched/wchan 7/7] arch/nds32/kernel/stacktrace.c:13:13: error: 'savesched' redeclared as different kind of symbol kernel test robot
2021-10-07  8:15 ` kernel test robot

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