linux-kernel - [peterz-queue:call-depth-tracking 59/60] ./include/generated/asm-offsets.h:81: warning: "TASK

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Date:   Sat, 24 Sep 2022 03:04:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [peterz-queue:call-depth-tracking 59/60]
 ./include/generated/asm-offsets.h:81: warning: "TASK_SIZE" redefined

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git call-depth-tracking
head:   856304fc062b9ad34742a604b98cc775846c0cb3
commit: 46f9bf3269a589dc0258ae68c32e064e25a0a149 [59/60] x86/ftrace: Make it call depth tracking aware
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20220924/202209240243.vRVXCjW9-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.1.0
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=46f9bf3269a589dc0258ae68c32e064e25a0a149
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue call-depth-tracking
        git checkout 46f9bf3269a589dc0258ae68c32e064e25a0a149
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash kernel/trace/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   kernel/trace/trace.c: In function 'trace_check_vprintf':
   kernel/trace/trace.c:3846:17: warning: function 'trace_check_vprintf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
    3846 |                 trace_seq_vprintf(&iter->seq, iter->fmt, ap);
         |                 ^~~~~~~~~~~~~~~~~
   kernel/trace/trace.c:3913:17: warning: function 'trace_check_vprintf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
    3913 |                 trace_seq_vprintf(&iter->seq, p, ap);
         |                 ^~~~~~~~~~~~~~~~~
   In file included from arch/powerpc/include/asm/asm-offsets.h:1,
                    from kernel/trace/trace_selftest.c:10,
                    from kernel/trace/trace.c:8672:
   ./include/generated/asm-offsets.h: At top level:
>> ./include/generated/asm-offsets.h:81: warning: "TASK_SIZE" redefined
      81 | #define TASK_SIZE -1342177280 /* TASK_SIZE */
         | 
   In file included from arch/powerpc/include/asm/processor.h:73,
                    from arch/powerpc/include/asm/thread_info.h:46,
                    from include/linux/thread_info.h:60,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/powerpc/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:55,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:7,
                    from include/linux/mm.h:7,
                    from include/linux/ring_buffer.h:5,
                    from kernel/trace/trace.c:15:
   arch/powerpc/include/asm/task_size_32.h:9: note: this is the location of the previous definition
       9 | #define TASK_SIZE (CONFIG_TASK_SIZE)
         | 
--
   In file included from arch/powerpc/include/asm/asm-offsets.h:1,
                    from kernel/trace/trace_selftest.c:10,
                    from kernel/trace/trace.c:8672:
>> ./include/generated/asm-offsets.h:81: warning: "TASK_SIZE" redefined
      81 | #define TASK_SIZE -1342177280 /* TASK_SIZE */
         | 
   In file included from arch/powerpc/include/asm/processor.h:73,
                    from arch/powerpc/include/asm/thread_info.h:46,
                    from include/linux/thread_info.h:60,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/powerpc/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:55,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:7,
                    from include/linux/mm.h:7,
                    from include/linux/ring_buffer.h:5,
                    from kernel/trace/trace.c:15:
   arch/powerpc/include/asm/task_size_32.h:9: note: this is the location of the previous definition
       9 | #define TASK_SIZE (CONFIG_TASK_SIZE)
         | 

-- 
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https://01.org/lkp