Re: [PATCH v3 2/3] RDMA/rxe: Support RDMA Atomic Write operation

[kernel test robot <lkp@intel.com>]

Hi Xiao,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on rdma/for-next]
[also build test ERROR on v5.17-rc7 next-20220310]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Xiao-Yang/RDMA-rxe-Add-RDMA-Atomic-Write-operation/20220311-195406
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20220312/202203120740.G02NgRLo-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 11.2.0
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://github.com/0day-ci/linux/commit/e2d651ea47e6ed9341efeec5b1cb960c5c12f31c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Xiao-Yang/RDMA-rxe-Add-RDMA-Atomic-Write-operation/20220311-195406
        git checkout e2d651ea47e6ed9341efeec5b1cb960c5c12f31c
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=parisc SHELL=/bin/bash

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 'process_atomic_write',
       inlined from 'execute' at drivers/infiniband/sw/rxe/rxe_resp.c:828:9:
>> include/linux/compiler_types.h:346:45: error: call to '__compiletime_assert_463' declared with attribute error: Need native word sized stores/loads for atomicity.
     346 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:327:25: note: in definition of macro '__compiletime_assert'
     327 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:346:9: note: in expansion of macro '_compiletime_assert'
     346 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:349:9: note: in expansion of macro 'compiletime_assert'
     349 |         compiletime_assert(__native_word(t),                            \
         |         ^~~~~~~~~~~~~~~~~~
   arch/parisc/include/asm/barrier.h:38:9: note: in expansion of macro 'compiletime_assert_atomic_type'
      38 |         compiletime_assert_atomic_type(*p);                             \
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/barrier.h:164:55: note: in expansion of macro '__smp_store_release'
     164 | #define smp_store_release(p, v) do { kcsan_release(); __smp_store_release(p, v); } while (0)
         |                                                       ^~~~~~~~~~~~~~~~~~~
   drivers/infiniband/sw/rxe/rxe_resp.c:609:9: note: in expansion of macro 'smp_store_release'
     609 |         smp_store_release(dst, *src);
         |         ^~~~~~~~~~~~~~~~~


vim +/__compiletime_assert_463 +346 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  332  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  333  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  334  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  335  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  336  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  337   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  338   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  339   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  340   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  341   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  342   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  343   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  344   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  345  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @346  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  347  

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