[luto:x86/membarrier 6/8] include/linux/sched/mm.h:366:10: fatal error: 'asm/membarrier.h' file not found

[luto:x86/membarrier 6/8] include/linux/sched/mm.h:366:10: fatal error: 'asm/membarrier.h' file not found

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/membarrier
head:   07a8b963002cb955b7516e61bad19514a3acaa82
commit: d9034f951329830b766feb08099c15b714e08e8f [6/8] powerpc/membarrier: Remove special barrier on mm switch
config: powerpc64-randconfig-r012-20210615 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401)
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 powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/commit/?id=d9034f951329830b766feb08099c15b714e08e8f
        git remote add luto https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git
        git fetch --no-tags luto x86/membarrier
        git checkout d9034f951329830b766feb08099c15b714e08e8f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 

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 arch/powerpc/kernel/asm-offsets.c:14:
   In file included from include/linux/compat.h:10:
   In file included from include/linux/time.h:6:
   In file included from include/linux/math64.h:7:
   In file included from ./arch/powerpc/include/generated/asm/div64.h:1:
   In file included from include/asm-generic/div64.h:55:
   In file included from include/linux/log2.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/powerpc/include/asm/bitops.h:62:
   arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
   #define __lwsync()      __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
           ^
   <built-in>:308:9: note: previous definition is here
   #define __lwsync __builtin_ppc_lwsync
           ^
   In file included from arch/powerpc/kernel/asm-offsets.c:23:
   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:22:
>> include/linux/sched/mm.h:366:10: fatal error: 'asm/membarrier.h' file not found
   #include <asm/membarrier.h>
            ^~~~~~~~~~~~~~~~~~
   1 warning and 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/powerpc/include/asm/bug.h:109:
   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:32:
   In file included from arch/powerpc/include/asm/bitops.h:62:
   arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
   #define __lwsync()      __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
           ^
   <built-in>:308:9: note: previous definition is here
   #define __lwsync __builtin_ppc_lwsync
           ^
   1 warning generated.
   In file included from arch/powerpc/kernel/asm-offsets.c:14:
   In file included from include/linux/compat.h:10:
   In file included from include/linux/time.h:6:
   In file included from include/linux/math64.h:7:
   In file included from ./arch/powerpc/include/generated/asm/div64.h:1:
   In file included from include/asm-generic/div64.h:55:
   In file included from include/linux/log2.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/powerpc/include/asm/bitops.h:62:
   arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
   #define __lwsync()      __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
           ^
   <built-in>:308:9: note: previous definition is here
   #define __lwsync __builtin_ppc_lwsync
           ^
   In file included from arch/powerpc/kernel/asm-offsets.c:23:
   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:22:
>> include/linux/sched/mm.h:366:10: fatal error: 'asm/membarrier.h' file not found
   #include <asm/membarrier.h>
            ^~~~~~~~~~~~~~~~~~
   1 warning and 1 error generated.
   make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1227: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:215: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +366 include/linux/sched/mm.h

f184d013a255a5 Andy Lutomirski   2020-12-11  364  
3ccfebedd8cf54 Mathieu Desnoyers 2018-01-29  365  #ifdef CONFIG_ARCH_HAS_MEMBARRIER_CALLBACKS
3ccfebedd8cf54 Mathieu Desnoyers 2018-01-29 @366  #include <asm/membarrier.h>
3ccfebedd8cf54 Mathieu Desnoyers 2018-01-29  367  #endif
3ccfebedd8cf54 Mathieu Desnoyers 2018-01-29  368  

:::::: The code at line 366 was first introduced by commit
:::::: 3ccfebedd8cf54e291c809c838d8ad5cc00f5688 powerpc, membarrier: Skip memory barrier in switch_mm()

:::::: TO: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
:::::: CC: Ingo Molnar <mingo@kernel.org>

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

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