linux-kernel - [mark:arm64/preempt-dynamic-static-key 7/7] arch/arm64/include/asm/preempt.h:85:25: error: a parameter list without types is only allowed in a function definition

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Message-ID: <202202090439.RWVJ0AMJ-lkp@intel.com>
Date:   Wed, 9 Feb 2022 04:47:10 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [mark:arm64/preempt-dynamic-static-key 7/7]
 arch/arm64/include/asm/preempt.h:85:25: error: a parameter list without
 types is only allowed in a function definition

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git arm64/preempt-dynamic-static-key
head:   106f60395c0b424e5e05a69bbd40075152f9a17f
commit: 106f60395c0b424e5e05a69bbd40075152f9a17f [7/7] arm64: support PREEMPT_DYNAMIC
config: arm64-randconfig-r025-20220208 (https://download.01.org/0day-ci/archive/20220209/202202090439.RWVJ0AMJ-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project e8bff9ae54a55b4dbfeb6ba55f723abbd81bf494)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/commit/?id=106f60395c0b424e5e05a69bbd40075152f9a17f
        git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
        git fetch --no-tags mark arm64/preempt-dynamic-static-key
        git checkout 106f60395c0b424e5e05a69bbd40075152f9a17f
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare

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

All error/warnings (new ones prefixed by >>):

   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:20:
   In file included from include/linux/sysfs.h:16:
   In file included from include/linux/kernfs.h:11:
   In file included from include/linux/mutex.h:17:
   In file included from include/linux/lockdep.h:14:
   In file included from include/linux/smp.h:110:
   In file included from include/linux/preempt.h:78:
>> arch/arm64/include/asm/preempt.h:85:1: warning: declaration specifier missing, defaulting to 'int'
   DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched);
   ^
   int
>> arch/arm64/include/asm/preempt.h:85:25: error: a parameter list without types is only allowed in a function definition
   DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched);
                           ^
   1 warning and 1 error generated.
   make[2]: *** [scripts/Makefile.build:121: arch/arm64/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1191: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:219: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +85 arch/arm64/include/asm/preempt.h

    84	
  > 85	DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched);
    86	void dynamic_preempt_schedule(void);
    87	#define __preempt_schedule()		dynamic_preempt_schedule()
    88	void dynamic_preempt_schedule_notrace(void);
    89	#define __preempt_schedule_notrace()	dynamic_preempt_schedule_notrace()
    90	

---
0-DAY CI Kernel Test Service, Intel Corporation
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