linux-kernel - Re: [PATCH] Modify the parameters that are not used

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Message-ID: <202008021452.hl3qmYCC%lkp@intel.com>
Date:   Sun, 2 Aug 2020 14:59:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     leesagacious <lizhe@...-os.ac.cn>, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, leesagacious <lizhe@...-os.ac.cn>
Subject: Re: [PATCH] Modify the parameters that are not used

Hi leesagacious,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linux/master]
[also build test ERROR on linus/master v5.8-rc7 next-20200731]
[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]

url:    https://github.com/0day-ci/linux/commits/leesagacious/Modify-the-parameters-that-are-not-used/20200802-115945
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 6ba1b005ffc388c2aeaddae20da29e4810dea298
config: c6x-randconfig-r013-20200802 (attached as .config)
compiler: c6x-elf-gcc (GCC) 9.3.0
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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/rcupdate.h:28,
                    from include/linux/rculist.h:11,
                    from include/linux/pid.h:5,
                    from include/linux/sched.h:14,
                    from arch/c6x/kernel/asm-offsets.c:8:
>> include/linux/bottom_half.h:10:74: error: expected ';', ',' or ')' before 'ip'
      10 | static __always_inline void __local_bh_disable_ip(unsigned long __unused ip,
         |                                                                          ^~
   include/linux/bottom_half.h: In function 'local_bh_disable':
>> include/linux/bottom_half.h:20:2: error: implicit declaration of function '__local_bh_disable_ip'; did you mean 'local_bh_disable'? [-Werror=implicit-function-declaration]
      20 |  __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
         |  ^~~~~~~~~~~~~~~~~~~~~
         |  local_bh_disable
   arch/c6x/kernel/asm-offsets.c: At top level:
   arch/c6x/kernel/asm-offsets.c:14:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
      14 | void foo(void)
         |      ^~~
   cc1: some warnings being treated as errors
   make[2]: *** [scripts/Makefile.build:114: arch/c6x/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1175: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:185: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

vim +10 include/linux/bottom_half.h

     6	
     7	#ifdef CONFIG_TRACE_IRQFLAGS
     8	extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt);
     9	#else
  > 10	static __always_inline void __local_bh_disable_ip(unsigned long __unused ip,
    11						unsigned int cnt)
    12	{
    13		preempt_count_add(cnt);
    14		barrier();
    15	}
    16	#endif
    17	
    18	static inline void local_bh_disable(void)
    19	{
  > 20		__local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
    21	}
    22	

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

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