Re: [PATCH for-next 2/6] RDMA/hns: Use new interface to modify QP context

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

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Hi Weihang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on rdma/for-next]
[also build test ERROR on v5.13-rc3 next-20210528]
[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/Weihang-Li/RDMA-hns-Use-new-interfaces-to-write-read-fields/20210529-174115
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
config: riscv-allmodconfig (attached as .config)
compiler: riscv64-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://github.com/0day-ci/linux/commit/da77d9680e6740ea2a18ee9b55bf268c3ce03594
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Weihang-Li/RDMA-hns-Use-new-interfaces-to-write-read-fields/20210529-174115
        git checkout da77d9680e6740ea2a18ee9b55bf268c3ce03594
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv 

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 include/linux/byteorder/little_endian.h:5,
                    from arch/riscv/include/uapi/asm/byteorder.h:10,
                    from include/asm-generic/bitops/le.h:7,
                    from arch/riscv/include/asm/bitops.h:202,
                    from include/linux/bitops.h:32,
                    from include/linux/of.h:15,
                    from include/linux/irqdomain.h:35,
                    from include/linux/acpi.h:13,
                    from drivers/infiniband/hw/hns/hns_roce_hw_v2.c:33:
   drivers/infiniband/hw/hns/hns_roce_hw_v2.c: In function 'modify_qp_init_to_rtr':
>> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_1524' declared with attribute error: FIELD_PREP: value too large for the field
     328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                      ^
   include/uapi/linux/byteorder/little_endian.h:33:51: note: in definition of macro '__cpu_to_le32'
      33 | #define __cpu_to_le32(x) ((__force __le32)(__u32)(x))
         |                                                   ^
   include/linux/compiler_types.h:316:2: note: in expansion of macro '__compiletime_assert'
     316 |  __compiletime_assert(condition, msg, 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/bitfield.h:49:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      49 |   BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ?  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:94:3: note: in expansion of macro '__BF_FIELD_CHECK'
      94 |   __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/infiniband/hw/hns/hns_roce_common.h:83:52: note: in expansion of macro 'FIELD_PREP'
      83 |   *((__le32 *)ptr + (field_h) / 32) |= cpu_to_le32(FIELD_PREP(   \
         |                                                    ^~~~~~~~~~
   drivers/infiniband/hw/hns/hns_roce_common.h:87:39: note: in expansion of macro '_hr_reg_write'
      87 | #define hr_reg_write(ptr, field, val) _hr_reg_write(ptr, field, val)
         |                                       ^~~~~~~~~~~~~
   drivers/infiniband/hw/hns/hns_roce_hw_v2.c:4370:2: note: in expansion of macro 'hr_reg_write'
    4370 |  hr_reg_write(context, QPC_LP_PKTN_INI, lp_pktn_ini);
         |  ^~~~~~~~~~~~
   include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_1531' declared with attribute error: FIELD_PREP: value too large for the field
     328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                      ^
   include/uapi/linux/byteorder/little_endian.h:33:51: note: in definition of macro '__cpu_to_le32'
      33 | #define __cpu_to_le32(x) ((__force __le32)(__u32)(x))
         |                                                   ^
   include/linux/compiler_types.h:316:2: note: in expansion of macro '__compiletime_assert'
     316 |  __compiletime_assert(condition, msg, 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/bitfield.h:49:3: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      49 |   BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ?  \
         |   ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:94:3: note: in expansion of macro '__BF_FIELD_CHECK'
      94 |   __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \
         |   ^~~~~~~~~~~~~~~~
   drivers/infiniband/hw/hns/hns_roce_common.h:83:52: note: in expansion of macro 'FIELD_PREP'
      83 |   *((__le32 *)ptr + (field_h) / 32) |= cpu_to_le32(FIELD_PREP(   \
         |                                                    ^~~~~~~~~~
   drivers/infiniband/hw/hns/hns_roce_common.h:87:39: note: in expansion of macro '_hr_reg_write'
      87 | #define hr_reg_write(ptr, field, val) _hr_reg_write(ptr, field, val)
         |                                       ^~~~~~~~~~~~~
   drivers/infiniband/hw/hns/hns_roce_hw_v2.c:4374:2: note: in expansion of macro 'hr_reg_write'
    4374 |  hr_reg_write(context, QPC_ACK_REQ_FREQ, lp_pktn_ini);
         |  ^~~~~~~~~~~~


vim +/__compiletime_assert_1524 +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  

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

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