[mark-rutland:fuzzing/5.10-rc7 1/4] include/linux/irqflags.h:224:35: error: this function declaration is not a prototype

[mark-rutland:fuzzing/5.10-rc7 1/4] include/linux/irqflags.h:224:35: error: this function declaration is not a prototype

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git fuzzing/5.10-rc7
head:   83abdaa512626051c6eecd7c1dfb41fb061ebcb9
commit: 61336e25d1415a4ac3aaf8cf75105c2ec2eb95e7 [1/4] lockdep: report broken irq restoration
config: riscv-randconfig-r001-20201209 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 5ff35356f1af2bb92785b38c657463924d9ec386)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/commit/?id=61336e25d1415a4ac3aaf8cf75105c2ec2eb95e7
        git remote add mark-rutland https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
        git fetch --no-tags mark-rutland fuzzing/5.10-rc7
        git checkout 61336e25d1415a4ac3aaf8cf75105c2ec2eb95e7
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 

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 >>):

   In file included from kernel/bounds.c:10:
   In file included from include/linux/page-flags.h:10:
   In file included from include/linux/bug.h:5:
   In file included from arch/riscv/include/asm/bug.h:83:
   In file included from include/asm-generic/bug.h:20:
   In file included from include/linux/kernel.h:12:
   In file included from include/linux/bitops.h:29:
   In file included from arch/riscv/include/asm/bitops.h:14:
>> include/linux/irqflags.h:224:35: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
   extern void warn_bogus_irq_restore();
                                     ^
                                      void
   1 error generated.
--
   In file included from kernel/bounds.c:10:
   In file included from include/linux/page-flags.h:10:
   In file included from include/linux/bug.h:5:
   In file included from arch/riscv/include/asm/bug.h:83:
   In file included from include/asm-generic/bug.h:20:
   In file included from include/linux/kernel.h:12:
   In file included from include/linux/bitops.h:29:
   In file included from arch/riscv/include/asm/bitops.h:14:
>> include/linux/irqflags.h:224:35: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
   extern void warn_bogus_irq_restore();
                                     ^
                                      void
   1 error generated.
   make[2]: *** [scripts/Makefile.build:117: kernel/bounds.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1206: 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 +224 include/linux/irqflags.h

   222	
   223	#ifdef CONFIG_DEBUG_IRQFLAGS
 > 224	extern void warn_bogus_irq_restore();
   225	#define check_bogus_irq_restore()			\
   226		do {						\
   227			if (unlikely(!raw_irqs_disabled()))	\
   228				warn_bogus_irq_restore();	\
   229		} while (0)
   230	#else
   231	#define check_bogus_irq_restore() do { } while (0)
   232	#endif
   233	

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

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