[sashal-linux-stable:queue-5.4 41/72] include/linux/compiler.h:417:38: error: call to '__compiletime_assert_85' declared with attribute error: BUILD_BUG_ON failed: sizeof(_i) > sizeof(long)

[sashal-linux-stable:queue-5.4 41/72] include/linux/compiler.h:417:38: error: call to '__compiletime_assert_85' declared with attribute error: BUILD_BUG_ON failed: sizeof(_i) > sizeof(long)

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-5.4
head:   d8941b5947e4e827f27bdc4de80b27a9a094e39d
commit: 217252a8f88782be21b4151e58ea05197f6900c3 [41/72] kvm: avoid speculation-based attacks from out-of-range memslot accesses
config: mips-randconfig-r014-20210613 (attached as .config)
compiler: mipsel-linux-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
        # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/commit/?id=217252a8f88782be21b4151e58ea05197f6900c3
        git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git
        git fetch --no-tags sashal-linux-stable queue-5.4
        git checkout 217252a8f88782be21b4151e58ea05197f6900c3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

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 >>):

   arch/mips/kvm/../../../virt/kvm/kvm_main.c:673:12: warning: no previous prototype for 'kvm_arch_post_init_vm' [-Wmissing-prototypes]
     673 | int __weak kvm_arch_post_init_vm(struct kvm *kvm)
         |            ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kvm/../../../virt/kvm/kvm_main.c:682:13: warning: no previous prototype for 'kvm_arch_pre_destroy_vm' [-Wmissing-prototypes]
     682 | void __weak kvm_arch_pre_destroy_vm(struct kvm *kvm)
         |             ^~~~~~~~~~~~~~~~~~~~~~~
   In file included from include/linux/kernel.h:11,
                    from include/linux/list.h:9,
                    from include/linux/preempt.h:11,
                    from include/linux/hardirq.h:5,
                    from include/linux/kvm_host.h:7,
                    from arch/mips/kvm/../../../virt/kvm/kvm_main.c:18:
   In function '__gfn_to_hva_memslot',
       inlined from '__gfn_to_hva_many' at arch/mips/kvm/../../../virt/kvm/kvm_main.c:1446:9,
       inlined from '__gfn_to_hva_many' at arch/mips/kvm/../../../virt/kvm/kvm_main.c:1434:22:
>> include/linux/compiler.h:417:38: error: call to '__compiletime_assert_85' declared with attribute error: BUILD_BUG_ON failed: sizeof(_i) > sizeof(long)
     417 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                      ^
   include/linux/compiler.h:398:4: note: in definition of macro '__compiletime_assert'
     398 |    prefix ## suffix();    \
         |    ^~~~~~
   include/linux/compiler.h:417:2: note: in expansion of macro '_compiletime_assert'
     417 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   include/linux/nospec.h:55:2: note: in expansion of macro 'BUILD_BUG_ON'
      55 |  BUILD_BUG_ON(sizeof(_i) > sizeof(long));   \
         |  ^~~~~~~~~~~~
   include/linux/kvm_host.h:1054:25: note: in expansion of macro 'array_index_nospec'
    1054 |  unsigned long offset = array_index_nospec(gfn - slot->base_gfn,
         |                         ^~~~~~~~~~~~~~~~~~


vim +/__compiletime_assert_85 +417 include/linux/compiler.h

9a8ab1c39970a4 Daniel Santos 2013-02-21  403  
9a8ab1c39970a4 Daniel Santos 2013-02-21  404  #define _compiletime_assert(condition, msg, prefix, suffix) \
9a8ab1c39970a4 Daniel Santos 2013-02-21  405  	__compiletime_assert(condition, msg, prefix, suffix)
9a8ab1c39970a4 Daniel Santos 2013-02-21  406  
9a8ab1c39970a4 Daniel Santos 2013-02-21  407  /**
9a8ab1c39970a4 Daniel Santos 2013-02-21  408   * compiletime_assert - break build and emit msg if condition is false
9a8ab1c39970a4 Daniel Santos 2013-02-21  409   * @condition: a compile-time constant condition to check
9a8ab1c39970a4 Daniel Santos 2013-02-21  410   * @msg:       a message to emit if condition is false
9a8ab1c39970a4 Daniel Santos 2013-02-21  411   *
9a8ab1c39970a4 Daniel Santos 2013-02-21  412   * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c39970a4 Daniel Santos 2013-02-21  413   * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c39970a4 Daniel Santos 2013-02-21  414   * compiler has support to do so.
9a8ab1c39970a4 Daniel Santos 2013-02-21  415   */
9a8ab1c39970a4 Daniel Santos 2013-02-21  416  #define compiletime_assert(condition, msg) \
3910babeac1ab0 Vegard Nossum 2020-04-06 @417  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
9a8ab1c39970a4 Daniel Santos 2013-02-21  418  

:::::: The code at line 417 was first introduced by commit
:::::: 3910babeac1ab031f4e178042cbd1af9a9a0ec51 compiler.h: fix error in BUILD_BUG_ON() reporting

:::::: TO: Vegard Nossum <vegard.nossum@oracle.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.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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