[ast:timer 1/4] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_353' declared with attribute error: BUILD_BUG_ON failed: __alignof__(struct bpf_timer_kern) != __alignof__(struct bpf_timer)

[ast:timer 1/4] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_353' declared with attribute error: BUILD_BUG_ON failed: __alignof__(struct bpf_timer_kern) != __alignof__(struct bpf_timer)

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ast/bpf.git timer
head:   eb86df61cd52ea2e05357f8ae2b77e9bf6d63463
commit: 7e26a76313f4274c6013a7565411f3f7b6773b29 [1/4] bpf: Introduce bpf_timer
config: parisc-randconfig-s032-20210622 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/ast/bpf.git/commit/?id=7e26a76313f4274c6013a7565411f3f7b6773b29
        git remote add ast https://git.kernel.org/pub/scm/linux/kernel/git/ast/bpf.git
        git fetch --no-tags ast timer
        git checkout 7e26a76313f4274c6013a7565411f3f7b6773b29
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=parisc 

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 <command-line>:
   In function '____bpf_timer_init',
       inlined from 'bpf_timer_init' at kernel/bpf/helpers.c:1065:1:
>> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_353' declared with attribute error: BUILD_BUG_ON failed: __alignof__(struct bpf_timer_kern) != __alignof__(struct bpf_timer)
     328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                      ^
   include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert'
     309 |    prefix ## suffix();    \
         |    ^~~~~~
   include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
     328 |  _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)
         |  ^~~~~~~~~~~~~~~~
   kernel/bpf/helpers.c:1074:2: note: in expansion of macro 'BUILD_BUG_ON'
    1074 |  BUILD_BUG_ON(__alignof__(struct bpf_timer_kern) != __alignof__(struct bpf_timer));
         |  ^~~~~~~~~~~~


vim +/__compiletime_assert_353 +328 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  314  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  315  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  316  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  317  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  318  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  319   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  320   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  321   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  322   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  323   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  324   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  325   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  326   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  327  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @328  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  329  

:::::: The code at line 328 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

:::::: TO: Will Deacon <will@kernel.org>
:::::: CC: Will Deacon <will@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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