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Message-ID: <202303221148.o4nkqckQ-lkp@intel.com>
Date:   Wed, 22 Mar 2023 11:26:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Trace Kernel <linux-trace-kernel@...r.kernel.org>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Ross Zwisler <zwisler@...gle.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Miroslav Benes <mbenes@...e.cz>
Subject: Re: [PATCH] tracing: Trace instrumentation begin and end

Hi Steven,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.3-rc3 next-20230321]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Steven-Rostedt/tracing-Trace-instrumentation-begin-and-end/20230322-095354
patch link:    https://lore.kernel.org/r/20230321215121.71b339c5%40gandalf.local.home
patch subject: [PATCH] tracing: Trace instrumentation begin and end
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20230322/202303221148.o4nkqckQ-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://github.com/intel-lab-lkp/linux/commit/1f40755bb9b4817135459d6cf76fcbd17ffb53dd
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Steven-Rostedt/tracing-Trace-instrumentation-begin-and-end/20230322-095354
        git checkout 1f40755bb9b4817135459d6cf76fcbd17ffb53dd
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc prepare

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303221148.o4nkqckQ-lkp@intel.com/

All errors (new ones prefixed by >>):

   scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr]
   scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr]
   scripts/genksyms/parse.y: note: rerun with option '-Wcounterexamples' to generate conflict counterexamples
   In file included from arch/powerpc/include/asm/page.h:247,
                    from arch/powerpc/include/asm/thread_info.h:13,
                    from include/linux/thread_info.h:60,
                    from arch/powerpc/include/asm/ptrace.h:342,
                    from arch/powerpc/include/asm/hw_irq.h:12,
                    from arch/powerpc/include/asm/irqflags.h:12,
                    from include/linux/irqflags.h:16,
                    from include/asm-generic/cmpxchg-local.h:6,
                    from arch/powerpc/include/asm/cmpxchg.h:755,
                    from arch/powerpc/include/asm/atomic.h:11,
                    from include/linux/atomic.h:7,
                    from include/linux/tracepoint-defs.h:11,
                    from include/linux/instrumentation.h:7,
                    from include/asm-generic/bug.h:6,
                    from arch/powerpc/include/asm/bug.h:159,
                    from include/linux/bug.h:5,
                    from include/linux/fortify-string.h:5,
                    from include/linux/string.h:254,
                    from include/linux/uuid.h:11,
                    from include/linux/mod_devicetable.h:13,
                    from scripts/mod/devicetable-offsets.c:3:
   arch/powerpc/include/asm/page_32.h: In function 'clear_page':
>> arch/powerpc/include/asm/page_32.h:48:9: error: implicit declaration of function 'WARN_ON' [-Werror=implicit-function-declaration]
      48 |         WARN_ON((unsigned long)addr & (L1_CACHE_BYTES - 1));
         |         ^~~~~~~
   include/linux/thread_info.h: In function 'check_copy_size':
>> include/linux/thread_info.h:249:13: error: implicit declaration of function 'WARN_ON_ONCE' [-Werror=implicit-function-declaration]
     249 |         if (WARN_ON_ONCE(bytes > INT_MAX))
         |             ^~~~~~~~~~~~
   cc1: some warnings being treated as errors
   make[2]: *** [scripts/Makefile.build:114: scripts/mod/devicetable-offsets.s] Error 1
   make[2]: Target 'scripts/mod/' not remade because of errors.
   make[1]: *** [Makefile:1285: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:226: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +/WARN_ON +48 arch/powerpc/include/asm/page_32.h

7ab0b7cb8951d4 arch/powerpc/include/asm/page_32.h Christophe Leroy 2019-08-16  38  
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  39  /*
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  40   * Clear page using the dcbz instruction, which doesn't cause any
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  41   * memory traffic (except to write out any cache lines which get
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  42   * displaced).  This only works on cacheable memory.
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  43   */
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  44  static inline void clear_page(void *addr)
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  45  {
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  46  	unsigned int i;
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  47  
7ab0b7cb8951d4 arch/powerpc/include/asm/page_32.h Christophe Leroy 2019-08-16 @48  	WARN_ON((unsigned long)addr & (L1_CACHE_BYTES - 1));
7ab0b7cb8951d4 arch/powerpc/include/asm/page_32.h Christophe Leroy 2019-08-16  49  
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  50  	for (i = 0; i < PAGE_SIZE / L1_CACHE_BYTES; i++, addr += L1_CACHE_BYTES)
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  51  		dcbz(addr);
5736f96d12dd42 arch/powerpc/include/asm/page_32.h Christophe Leroy 2016-02-09  52  }
5cd16ee934eafc include/asm-powerpc/page_32.h      Michael Ellerman 2005-11-11  53  extern void copy_page(void *to, void *from);
5cd16ee934eafc include/asm-powerpc/page_32.h      Michael Ellerman 2005-11-11  54  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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