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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [weiny2:tip-pks-v4-2020-12-17 17/18] include/linux/mm.h:1196:58: error: variable has incomplete type 'enum dev_access_mod'
Date: Mon, 28 Dec 2020 00:04:12 +0800	[thread overview]
Message-ID: <202012280006.R9Bi4xU6-lkp@intel.com> (raw)

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tree:   https://github.com/weiny2/linux-kernel.git tip-pks-v4-2020-12-17
head:   c4c3d898d21401b51941cd75b3e59c2baec59505
commit: 1bf1a3d00ba3e2afcbc4dcbf4e8bf870984a6393 [17/18] memremap: Add zone device access protection
config: x86_64-randconfig-a016-20201217 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/weiny2/linux-kernel/commit/1bf1a3d00ba3e2afcbc4dcbf4e8bf870984a6393
        git remote add weiny2 https://github.com/weiny2/linux-kernel.git
        git fetch --no-tags weiny2 tip-pks-v4-2020-12-17
        git checkout 1bf1a3d00ba3e2afcbc4dcbf4e8bf870984a6393
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

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

   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   In file included from include/linux/bpf.h:21:
   In file included from include/linux/kallsyms.h:12:
>> include/linux/mm.h:1196:43: warning: declaration of 'enum dev_access_mod' will not be visible outside of this function [-Wvisibility]
   static inline void dev_access_enable(enum dev_access_mod mode) { }
                                             ^
>> include/linux/mm.h:1196:58: error: variable has incomplete type 'enum dev_access_mod'
   static inline void dev_access_enable(enum dev_access_mod mode) { }
                                                            ^
   include/linux/mm.h:1196:43: note: forward declaration of 'enum dev_access_mod'
   static inline void dev_access_enable(enum dev_access_mod mode) { }
                                             ^
   include/linux/mm.h:1197:44: warning: declaration of 'enum dev_access_mod' will not be visible outside of this function [-Wvisibility]
   static inline void dev_access_disable(enum dev_access_mod mode) { }
                                              ^
   include/linux/mm.h:1197:59: error: variable has incomplete type 'enum dev_access_mod'
   static inline void dev_access_disable(enum dev_access_mod mode) { }
                                                             ^
   include/linux/mm.h:1197:44: note: forward declaration of 'enum dev_access_mod'
   static inline void dev_access_disable(enum dev_access_mod mode) { }
                                              ^
   2 warnings and 2 errors generated.
--
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   In file included from include/linux/bpf.h:21:
   In file included from include/linux/kallsyms.h:12:
>> include/linux/mm.h:1196:43: warning: declaration of 'enum dev_access_mod' will not be visible outside of this function [-Wvisibility]
   static inline void dev_access_enable(enum dev_access_mod mode) { }
                                             ^
>> include/linux/mm.h:1196:58: error: variable has incomplete type 'enum dev_access_mod'
   static inline void dev_access_enable(enum dev_access_mod mode) { }
                                                            ^
   include/linux/mm.h:1196:43: note: forward declaration of 'enum dev_access_mod'
   static inline void dev_access_enable(enum dev_access_mod mode) { }
                                             ^
   include/linux/mm.h:1197:44: warning: declaration of 'enum dev_access_mod' will not be visible outside of this function [-Wvisibility]
   static inline void dev_access_disable(enum dev_access_mod mode) { }
                                              ^
   include/linux/mm.h:1197:59: error: variable has incomplete type 'enum dev_access_mod'
   static inline void dev_access_disable(enum dev_access_mod mode) { }
                                                             ^
   include/linux/mm.h:1197:44: note: forward declaration of 'enum dev_access_mod'
   static inline void dev_access_disable(enum dev_access_mod mode) { }
                                              ^
   2 warnings and 2 errors generated.
   make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1200: prepare0] Error 2
   make[1]: Target 'modules_prepare' not remade because of errors.
   make: *** [Makefile:185: __sub-make] Error 2
   make: Target 'modules_prepare' not remade because of errors.
--
   In file included from arch/x86/kernel/asm-offsets.c:13:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:13:
   In file included from include/linux/cgroup.h:28:
   In file included from include/linux/cgroup-defs.h:22:
   In file included from include/linux/bpf-cgroup.h:5:
   In file included from include/linux/bpf.h:21:
   In file included from include/linux/kallsyms.h:12:
>> include/linux/mm.h:1196:43: warning: declaration of 'enum dev_access_mod' will not be visible outside of this function [-Wvisibility]
   static inline void dev_access_enable(enum dev_access_mod mode) { }
                                             ^
>> include/linux/mm.h:1196:58: error: variable has incomplete type 'enum dev_access_mod'
   static inline void dev_access_enable(enum dev_access_mod mode) { }
                                                            ^
   include/linux/mm.h:1196:43: note: forward declaration of 'enum dev_access_mod'
   static inline void dev_access_enable(enum dev_access_mod mode) { }
                                             ^
   include/linux/mm.h:1197:44: warning: declaration of 'enum dev_access_mod' will not be visible outside of this function [-Wvisibility]
   static inline void dev_access_disable(enum dev_access_mod mode) { }
                                              ^
   include/linux/mm.h:1197:59: error: variable has incomplete type 'enum dev_access_mod'
   static inline void dev_access_disable(enum dev_access_mod mode) { }
                                                             ^
   include/linux/mm.h:1197:44: note: forward declaration of 'enum dev_access_mod'
   static inline void dev_access_disable(enum dev_access_mod mode) { }
                                              ^
   2 warnings and 2 errors generated.
   make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1200: 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 +1196 include/linux/mm.h

  1178	
  1179	void __dev_access_enable(enum dev_access_mode mode);
  1180	void __dev_access_disable(enum dev_access_mode mode);
  1181	static __always_inline void dev_access_enable(enum dev_access_mode mode)
  1182	{
  1183		if (static_branch_unlikely(&dev_protection_static_key))
  1184			__dev_access_enable(mode);
  1185	}
  1186	static __always_inline void dev_access_disable(enum dev_access_mode mode)
  1187	{
  1188		if (static_branch_unlikely(&dev_protection_static_key))
  1189			__dev_access_disable(mode);
  1190	}
  1191	#else
  1192	static inline bool page_is_access_protected(struct page *page)
  1193	{
  1194		return false;
  1195	}
> 1196	static inline void dev_access_enable(enum dev_access_mod mode) { }
  1197	static inline void dev_access_disable(enum dev_access_mod mode) { }
  1198	#endif /* CONFIG_ZONE_DEVICE_ACCESS_PROTECTION */
  1199	

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

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                 reply	other threads:[~2020-12-27 16:04 UTC|newest]

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